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Despite its potential importance for C02 sequestration, to our knowledge, C02 injection in CBM reservoirs for the purpose of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_58265231" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">One of the approaches suggested for sequestering C02 is by injecting it in coalbed methane (CBM) reservoirs. Despite its potential importance for C02 sequestration, to our knowledge, C02 injection in CBM reservoirs for the purpose of sequestration has not been widely studied. Furthermore, a key element missing in most of the existing studies is the comprehensive characterization of the CBM reservoir structure. CBM reservoirs are complex porous media, since in addition to their primary pore structure, generated during coal formation, they also contain a variety of fractures, which may potentially play a key role in C02 sequestration, as they generally provide high permeability flow paths for both CO2 and C&. In this report we present an overview of our ongoing experimental and modeling efforts, which aim to investigate the injection, adsorption and sequestration of CO2 in CBM reservoirs, the enhanced C& production that results, as well as the main factors that affect the overall operation. We describe the various experimental techniques that we utilize, and discuss their range of application and the value of the data generated. We conclude with a brief overview of our modeling efforts aiming to close the knowledge gap and fill the need in this area. ..</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/58265231" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c2d4b5db69fff9b1775a06d8fe939cc9" rel="nofollow" data-download="{"attachment_id":72761500,"asset_id":58265231,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/72761500/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32442276" href="https://independent.academia.edu/MuhammadSahimi">Muhammad Sahimi</a><script data-card-contents-for-user="32442276" type="text/json">{"id":32442276,"first_name":"Muhammad","last_name":"Sahimi","domain_name":"independent","page_name":"MuhammadSahimi","display_name":"Muhammad Sahimi","profile_url":"https://independent.academia.edu/MuhammadSahimi?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_58265231 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="58265231"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 58265231, container: ".js-paper-rank-work_58265231", }); });</script></li><li class="js-percentile-work_58265231 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 58265231; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_58265231"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_58265231 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="58265231"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 58265231; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=58265231]").text(description); $(".js-view-count-work_58265231").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_58265231").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="58265231"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">6</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="3442" rel="nofollow" href="https://www.academia.edu/Documents/in/Production">Production</a>, <script data-card-contents-for-ri="3442" type="text/json">{"id":3442,"name":"Production","url":"https://www.academia.edu/Documents/in/Production?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="48636" rel="nofollow" href="https://www.academia.edu/Documents/in/Simulation">Simulation</a>, <script data-card-contents-for-ri="48636" type="text/json">{"id":48636,"name":"Simulation","url":"https://www.academia.edu/Documents/in/Simulation?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="59128" rel="nofollow" href="https://www.academia.edu/Documents/in/Natural_Gas">Natural Gas</a><script data-card-contents-for-ri="59128" type="text/json">{"id":59128,"name":"Natural Gas","url":"https://www.academia.edu/Documents/in/Natural_Gas?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=58265231]'), work: {"id":58265231,"title":"CO2 Sequestration in Coalbed Methane Reservoirs: Experimental Studies and Computer Simulations","created_at":"2021-10-15T20:21:59.619-07:00","url":"https://www.academia.edu/58265231/CO2_Sequestration_in_Coalbed_Methane_Reservoirs_Experimental_Studies_and_Computer_Simulations?f_ri=39752","dom_id":"work_58265231","summary":"One of the approaches suggested for sequestering C02 is by injecting it in coalbed methane (CBM) reservoirs. Despite its potential importance for C02 sequestration, to our knowledge, C02 injection in CBM reservoirs for the purpose of sequestration has not been widely studied. Furthermore, a key element missing in most of the existing studies is the comprehensive characterization of the CBM reservoir structure. CBM reservoirs are complex porous media, since in addition to their primary pore structure, generated during coal formation, they also contain a variety of fractures, which may potentially play a key role in C02 sequestration, as they generally provide high permeability flow paths for both CO2 and C\u0026. In this report we present an overview of our ongoing experimental and modeling efforts, which aim to investigate the injection, adsorption and sequestration of CO2 in CBM reservoirs, the enhanced C\u0026 production that results, as well as the main factors that affect the overall operation. We describe the various experimental techniques that we utilize, and discuss their range of application and the value of the data generated. We conclude with a brief overview of our modeling efforts aiming to close the knowledge gap and fill the need in this area. ..","downloadable_attachments":[{"id":72761500,"asset_id":58265231,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32442276,"first_name":"Muhammad","last_name":"Sahimi","domain_name":"independent","page_name":"MuhammadSahimi","display_name":"Muhammad Sahimi","profile_url":"https://independent.academia.edu/MuhammadSahimi?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":3442,"name":"Production","url":"https://www.academia.edu/Documents/in/Production?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":48636,"name":"Simulation","url":"https://www.academia.edu/Documents/in/Simulation?f_ri=39752","nofollow":true},{"id":59128,"name":"Natural Gas","url":"https://www.academia.edu/Documents/in/Natural_Gas?f_ri=39752","nofollow":true},{"id":83972,"name":"Permeability","url":"https://www.academia.edu/Documents/in/Permeability?f_ri=39752"},{"id":90637,"name":"Porous Media","url":"https://www.academia.edu/Documents/in/Porous_Media?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_9029286" data-work_id="9029286" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/9029286/Sealing_ability_water_sorption_solubility_and_toothbrushing_abrasion_resistance_of_temporary_filling_materials">Sealing ability, water sorption, solubility and toothbrushing abrasion resistance of temporary filling materials</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Aim To evaluate marginal seal, water sorption, solubility and loss of mass after brushing of several temporary filling materials.Methodology For marginal seal, Class I cavities, including endodontic access preparations, were made in... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_9029286" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Aim To evaluate marginal seal, water sorption, solubility and loss of mass after brushing of several temporary filling materials.Methodology For marginal seal, Class I cavities, including endodontic access preparations, were made in human molar teeth and restored using one or other of several temporary filling materials (n = 10): zinc oxide/calcium sulphate-based cement (Cavit, 3M,ESPE, St. Paul, MN, USA), zinc oxide/eugenol cement (IRM, Dentsply Caulk, Milford, DE, USA), glass ionomer cement (Vidrion R, SSWhite, Rio de Janeiro, RJ, Brazil) or a dimethacrylate-based filling (Bioplic, Biodinâmica, Londrina, PR, Brazil). Dye penetration was assessed after thermocycling and immersion in 0.5% basic fuchsine solution. For water sorption, solubility and loss of mass analyses, disc-shaped specimens were made. Water sorption and solubility were evaluated by mass alteration after storage in distilled water for 7 days (n = 7). Loss of mass was calculated based on the difference of mass after abrasion with a toothbrush (n = 5), and surfaces were analysed by SEM. Data of water sorption, solubility and loss of mass were submitted to anova and Tukey’s test, and marginal sealing data to Kruskal–Wallis test (P < 0.05).Results Statistically significant differences were observed for marginal sealing (P < 0.0001), water sorption (P < 0.01), solubility (P < 0.01) and loss of mass (P < 0.05). Bioplic had the best marginal seal. Cavit had the greatest water sorption and solubility. Vidrion R and Bioplic had the lowest solubility. Loss of mass after brushing was higher for Cavit, followed by Bioplic, IRM and Vidrion R. Cavit and Vidrion R were worn aggressively by brushing.Conclusions The resin-based temporary filling Bioplic produced the best marginal seal, and was associated with the lowest water sorption, solubility and loss of mass.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/9029286" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="e041a2096ec3661e77c649904200e794" rel="nofollow" data-download="{"attachment_id":47909001,"asset_id":9029286,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/47909001/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="20343513" href="https://independent.academia.edu/Rafaelrodriguesmoraes">Rafael rodrigues moraes</a><script data-card-contents-for-user="20343513" type="text/json">{"id":20343513,"first_name":"Rafael","last_name":"rodrigues moraes","domain_name":"independent","page_name":"Rafaelrodriguesmoraes","display_name":"Rafael rodrigues moraes","profile_url":"https://independent.academia.edu/Rafaelrodriguesmoraes?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_9029286 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="9029286"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 9029286, container: ".js-paper-rank-work_9029286", }); 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$(".js-view-count[data-work-id=9029286]").text(description); $(".js-view-count-work_9029286").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_9029286").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="9029286"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">17</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="596" rel="nofollow" href="https://www.academia.edu/Documents/in/Dentistry">Dentistry</a>, <script data-card-contents-for-ri="596" type="text/json">{"id":596,"name":"Dentistry","url":"https://www.academia.edu/Documents/in/Dentistry?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2215" rel="nofollow" href="https://www.academia.edu/Documents/in/Water">Water</a>, <script data-card-contents-for-ri="2215" type="text/json">{"id":2215,"name":"Water","url":"https://www.academia.edu/Documents/in/Water?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="10655" rel="nofollow" href="https://www.academia.edu/Documents/in/Scanning_Electron_Microscopy">Scanning Electron Microscopy</a>, <script data-card-contents-for-ri="10655" type="text/json">{"id":10655,"name":"Scanning Electron Microscopy","url":"https://www.academia.edu/Documents/in/Scanning_Electron_Microscopy?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a><script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=9029286]'), work: {"id":9029286,"title":"Sealing ability, water sorption, solubility and toothbrushing abrasion resistance of temporary filling materials","created_at":"2014-10-30T02:21:19.605-07:00","url":"https://www.academia.edu/9029286/Sealing_ability_water_sorption_solubility_and_toothbrushing_abrasion_resistance_of_temporary_filling_materials?f_ri=39752","dom_id":"work_9029286","summary":"Aim To evaluate marginal seal, water sorption, solubility and loss of mass after brushing of several temporary filling materials.Methodology For marginal seal, Class I cavities, including endodontic access preparations, were made in human molar teeth and restored using one or other of several temporary filling materials (n = 10): zinc oxide/calcium sulphate-based cement (Cavit, 3M,ESPE, St. Paul, MN, USA), zinc oxide/eugenol cement (IRM, Dentsply Caulk, Milford, DE, USA), glass ionomer cement (Vidrion R, SSWhite, Rio de Janeiro, RJ, Brazil) or a dimethacrylate-based filling (Bioplic, Biodinâmica, Londrina, PR, Brazil). Dye penetration was assessed after thermocycling and immersion in 0.5% basic fuchsine solution. For water sorption, solubility and loss of mass analyses, disc-shaped specimens were made. Water sorption and solubility were evaluated by mass alteration after storage in distilled water for 7 days (n = 7). Loss of mass was calculated based on the difference of mass after abrasion with a toothbrush (n = 5), and surfaces were analysed by SEM. Data of water sorption, solubility and loss of mass were submitted to anova and Tukey’s test, and marginal sealing data to Kruskal–Wallis test (P \u003c 0.05).Results Statistically significant differences were observed for marginal sealing (P \u003c 0.0001), water sorption (P \u003c 0.01), solubility (P \u003c 0.01) and loss of mass (P \u003c 0.05). Bioplic had the best marginal seal. Cavit had the greatest water sorption and solubility. Vidrion R and Bioplic had the lowest solubility. Loss of mass after brushing was higher for Cavit, followed by Bioplic, IRM and Vidrion R. Cavit and Vidrion R were worn aggressively by brushing.Conclusions The resin-based temporary filling Bioplic produced the best marginal seal, and was associated with the lowest water sorption, solubility and loss of mass.","downloadable_attachments":[{"id":47909001,"asset_id":9029286,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":20343513,"first_name":"Rafael","last_name":"rodrigues moraes","domain_name":"independent","page_name":"Rafaelrodriguesmoraes","display_name":"Rafael rodrigues moraes","profile_url":"https://independent.academia.edu/Rafaelrodriguesmoraes?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":596,"name":"Dentistry","url":"https://www.academia.edu/Documents/in/Dentistry?f_ri=39752","nofollow":true},{"id":2215,"name":"Water","url":"https://www.academia.edu/Documents/in/Water?f_ri=39752","nofollow":true},{"id":10655,"name":"Scanning Electron Microscopy","url":"https://www.academia.edu/Documents/in/Scanning_Electron_Microscopy?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":58032,"name":"Zinc Oxide","url":"https://www.academia.edu/Documents/in/Zinc_Oxide?f_ri=39752"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=39752"},{"id":162983,"name":"Absorption","url":"https://www.academia.edu/Documents/in/Absorption?f_ri=39752"},{"id":205584,"name":"Solubility","url":"https://www.academia.edu/Documents/in/Solubility?f_ri=39752"},{"id":413195,"name":"Time Factors","url":"https://www.academia.edu/Documents/in/Time_Factors?f_ri=39752"},{"id":440924,"name":"Surface Properties","url":"https://www.academia.edu/Documents/in/Surface_Properties?f_ri=39752"},{"id":561011,"name":"Root Canal Filling Materials","url":"https://www.academia.edu/Documents/in/Root_Canal_Filling_Materials?f_ri=39752"},{"id":678833,"name":"Dental Bonding","url":"https://www.academia.edu/Documents/in/Dental_Bonding?f_ri=39752"},{"id":783947,"name":"Endodontic","url":"https://www.academia.edu/Documents/in/Endodontic?f_ri=39752"},{"id":845844,"name":"Polymethyl Methacrylates","url":"https://www.academia.edu/Documents/in/Polymethyl_Methacrylates?f_ri=39752"},{"id":892969,"name":"Materials Testing","url":"https://www.academia.edu/Documents/in/Materials_Testing?f_ri=39752"},{"id":1344950,"name":"Calcium Sulfate","url":"https://www.academia.edu/Documents/in/Calcium_Sulfate?f_ri=39752"},{"id":1557306,"name":"Resin Cements","url":"https://www.academia.edu/Documents/in/Resin_Cements?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_77724640" data-work_id="77724640" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/77724640/Pleurotus_ostreatus_spent_mushroom_compost_as_green_biosorbent_for_nickel_II_biosorption">Pleurotus ostreatus spent mushroom compost as green biosorbent for nickel (II) biosorption</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The potential of Pleurotus ostreatus spent mushroom compost (PSMC) as a green biosorbent for nickel (II) biosorption was investigated in this study. A novel approach of using the half-saturation concentration of biosorbent to rapidly... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_77724640" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The potential of Pleurotus ostreatus spent mushroom compost (PSMC) as a green biosorbent for nickel (II) biosorption was investigated in this study. A novel approach of using the half-saturation concentration of biosorbent to rapidly determine the uptake, kinetics and mechanism of biosorption was employed together with cost per unit uptake analysis to determine the potential of this biosorbent. Fifty per cent nickel (II) biosorption was obtained at a half-saturation constant of 0.7 g biosorbent concentration, initial pH in the range of 4–8, 10 min contact time, 50 mL 50 mg/L nickel (II) initial concentration. The experimental data were well fitted with the Langmuir isotherm model and the maximum nickel (II) biosorption was 3.04 mg/g. The results corresponded well to a second pseudo order kinetic model with the coefficient of determination value of 0.9999. Based on FTIR analysis, the general alkyl, hydroxyl or amino, aliphatic alcohol and carbonyl functional groups of biosorbent were...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/77724640" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="98bd125f83204b4b50cfcb152e66df8e" rel="nofollow" data-download="{"attachment_id":85016151,"asset_id":77724640,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/85016151/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="41059236" href="https://independent.academia.edu/SoonKongYong">Soon Kong Yong</a><script data-card-contents-for-user="41059236" type="text/json">{"id":41059236,"first_name":"Soon Kong","last_name":"Yong","domain_name":"independent","page_name":"SoonKongYong","display_name":"Soon Kong Yong","profile_url":"https://independent.academia.edu/SoonKongYong?f_ri=39752","photo":"https://0.academia-photos.com/41059236/11629498/110257261/s65_soon-kong.yong.png"}</script></span></span></li><li class="js-paper-rank-work_77724640 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="77724640"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 77724640, container: ".js-paper-rank-work_77724640", }); 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$(".js-view-count[data-work-id=77724640]").text(description); $(".js-view-count-work_77724640").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_77724640").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="77724640"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">10</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1605" rel="nofollow" href="https://www.academia.edu/Documents/in/Soil">Soil</a>, <script data-card-contents-for-ri="1605" type="text/json">{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2215" rel="nofollow" href="https://www.academia.edu/Documents/in/Water">Water</a>, <script data-card-contents-for-ri="2215" type="text/json">{"id":2215,"name":"Water","url":"https://www.academia.edu/Documents/in/Water?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6515" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_Purification">Water Purification</a>, <script data-card-contents-for-ri="6515" type="text/json">{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a><script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=77724640]'), work: {"id":77724640,"title":"Pleurotus ostreatus spent mushroom compost as green biosorbent for nickel (II) biosorption","created_at":"2022-04-26T18:04:18.498-07:00","url":"https://www.academia.edu/77724640/Pleurotus_ostreatus_spent_mushroom_compost_as_green_biosorbent_for_nickel_II_biosorption?f_ri=39752","dom_id":"work_77724640","summary":"The potential of Pleurotus ostreatus spent mushroom compost (PSMC) as a green biosorbent for nickel (II) biosorption was investigated in this study. A novel approach of using the half-saturation concentration of biosorbent to rapidly determine the uptake, kinetics and mechanism of biosorption was employed together with cost per unit uptake analysis to determine the potential of this biosorbent. Fifty per cent nickel (II) biosorption was obtained at a half-saturation constant of 0.7 g biosorbent concentration, initial pH in the range of 4–8, 10 min contact time, 50 mL 50 mg/L nickel (II) initial concentration. The experimental data were well fitted with the Langmuir isotherm model and the maximum nickel (II) biosorption was 3.04 mg/g. The results corresponded well to a second pseudo order kinetic model with the coefficient of determination value of 0.9999. Based on FTIR analysis, the general alkyl, hydroxyl or amino, aliphatic alcohol and carbonyl functional groups of biosorbent were...","downloadable_attachments":[{"id":85016151,"asset_id":77724640,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":41059236,"first_name":"Soon Kong","last_name":"Yong","domain_name":"independent","page_name":"SoonKongYong","display_name":"Soon Kong Yong","profile_url":"https://independent.academia.edu/SoonKongYong?f_ri=39752","photo":"https://0.academia-photos.com/41059236/11629498/110257261/s65_soon-kong.yong.png"}],"research_interests":[{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=39752","nofollow":true},{"id":2215,"name":"Water","url":"https://www.academia.edu/Documents/in/Water?f_ri=39752","nofollow":true},{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":194828,"name":"Nickel","url":"https://www.academia.edu/Documents/in/Nickel?f_ri=39752"},{"id":342151,"name":"Pleurotus","url":"https://www.academia.edu/Documents/in/Pleurotus?f_ri=39752"},{"id":355464,"name":"Water Science and Technology","url":"https://www.academia.edu/Documents/in/Water_Science_and_Technology?f_ri=39752"},{"id":413195,"name":"Time Factors","url":"https://www.academia.edu/Documents/in/Time_Factors?f_ri=39752"},{"id":1137254,"name":"Hydrogen-Ion Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_75936910" data-work_id="75936910" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/75936910/Kinetic_modeling_of_fluoride_adsorption_from_aqueous_solution_onto_bone_char">Kinetic modeling of fluoride adsorption from aqueous solution onto bone char</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Leaching of fluoride, a toxic element, from industrial wastes and fluoride minerals like fluorspar (CaF 2 ) into ground water may cause significant contamination, which may require major treatment before use as drinking water. The present... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_75936910" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Leaching of fluoride, a toxic element, from industrial wastes and fluoride minerals like fluorspar (CaF 2 ) into ground water may cause significant contamination, which may require major treatment before use as drinking water. The present study described the removal of F-on bone char in batch studies as a function of co-existing mineral ions phosphate, carbonate, sulphate, chloride, sodium, magnesium, etc. present in drinking water (surface and groundwater), at constant temperature conditions and without pH adjustments. Fourier transform infrared spectra of bone char before and after adsorption demonstrated that ca-PO 4 3-and ca-OH functional groups played an important role for F -removal, and the mechanism was complex where both ionexchange and electrostatic ion-binding between the active positive sites of calcium in the bone char and fluoride ions. This led to an increase in pH of the water during the sorption of fluoride. The results suggest that bone char can be used effectively the removal of F -ions from groundwater utilized as drinking water.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/75936910" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c91ab51826867c2621386e92232b662b" rel="nofollow" data-download="{"attachment_id":83607485,"asset_id":75936910,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/83607485/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="101676548" href="https://uaslp.academia.edu/ROBERTOLEYVARAMOS">ROBERTO LEYVA-RAMOS</a><script data-card-contents-for-user="101676548" type="text/json">{"id":101676548,"first_name":"ROBERTO","last_name":"LEYVA-RAMOS","domain_name":"uaslp","page_name":"ROBERTOLEYVARAMOS","display_name":"ROBERTO LEYVA-RAMOS","profile_url":"https://uaslp.academia.edu/ROBERTOLEYVARAMOS?f_ri=39752","photo":"https://0.academia-photos.com/101676548/22715291/26168835/s65_roberto.leyva-ramos.jpg"}</script></span></span></li><li class="js-paper-rank-work_75936910 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="75936910"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 75936910, container: ".js-paper-rank-work_75936910", }); });</script></li><li class="js-percentile-work_75936910 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 75936910; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_75936910"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_75936910 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="75936910"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 75936910; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=75936910]").text(description); $(".js-view-count-work_75936910").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_75936910").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="75936910"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">20</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="72" rel="nofollow" href="https://www.academia.edu/Documents/in/Chemical_Engineering">Chemical Engineering</a>, <script data-card-contents-for-ri="72" type="text/json">{"id":72,"name":"Chemical Engineering","url":"https://www.academia.edu/Documents/in/Chemical_Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="523" rel="nofollow" href="https://www.academia.edu/Documents/in/Chemistry">Chemistry</a>, <script data-card-contents-for-ri="523" type="text/json">{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2024" rel="nofollow" href="https://www.academia.edu/Documents/in/Mass_Transfer">Mass Transfer</a>, <script data-card-contents-for-ri="2024" type="text/json">{"id":2024,"name":"Mass Transfer","url":"https://www.academia.edu/Documents/in/Mass_Transfer?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4987" rel="nofollow" href="https://www.academia.edu/Documents/in/Kinetics">Kinetics</a><script data-card-contents-for-ri="4987" type="text/json">{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=75936910]'), work: {"id":75936910,"title":"Kinetic modeling of fluoride adsorption from aqueous solution onto bone char","created_at":"2022-04-09T13:10:33.161-07:00","url":"https://www.academia.edu/75936910/Kinetic_modeling_of_fluoride_adsorption_from_aqueous_solution_onto_bone_char?f_ri=39752","dom_id":"work_75936910","summary":"Leaching of fluoride, a toxic element, from industrial wastes and fluoride minerals like fluorspar (CaF 2 ) into ground water may cause significant contamination, which may require major treatment before use as drinking water. The present study described the removal of F-on bone char in batch studies as a function of co-existing mineral ions phosphate, carbonate, sulphate, chloride, sodium, magnesium, etc. present in drinking water (surface and groundwater), at constant temperature conditions and without pH adjustments. Fourier transform infrared spectra of bone char before and after adsorption demonstrated that ca-PO 4 3-and ca-OH functional groups played an important role for F -removal, and the mechanism was complex where both ionexchange and electrostatic ion-binding between the active positive sites of calcium in the bone char and fluoride ions. This led to an increase in pH of the water during the sorption of fluoride. The results suggest that bone char can be used effectively the removal of F -ions from groundwater utilized as drinking water.","downloadable_attachments":[{"id":83607485,"asset_id":75936910,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":101676548,"first_name":"ROBERTO","last_name":"LEYVA-RAMOS","domain_name":"uaslp","page_name":"ROBERTOLEYVARAMOS","display_name":"ROBERTO LEYVA-RAMOS","profile_url":"https://uaslp.academia.edu/ROBERTOLEYVARAMOS?f_ri=39752","photo":"https://0.academia-photos.com/101676548/22715291/26168835/s65_roberto.leyva-ramos.jpg"}],"research_interests":[{"id":72,"name":"Chemical Engineering","url":"https://www.academia.edu/Documents/in/Chemical_Engineering?f_ri=39752","nofollow":true},{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=39752","nofollow":true},{"id":2024,"name":"Mass Transfer","url":"https://www.academia.edu/Documents/in/Mass_Transfer?f_ri=39752","nofollow":true},{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true},{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=39752"},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":83315,"name":"Diffusion","url":"https://www.academia.edu/Documents/in/Diffusion?f_ri=39752"},{"id":212758,"name":"Trend Analysis","url":"https://www.academia.edu/Documents/in/Trend_Analysis?f_ri=39752"},{"id":213812,"name":"Difusion","url":"https://www.academia.edu/Documents/in/Difusion?f_ri=39752"},{"id":309493,"name":"Diffusion Coefficient","url":"https://www.academia.edu/Documents/in/Diffusion_Coefficient?f_ri=39752"},{"id":354019,"name":"Active site","url":"https://www.academia.edu/Documents/in/Active_site?f_ri=39752"},{"id":477865,"name":"Operant Conditioning","url":"https://www.academia.edu/Documents/in/Operant_Conditioning?f_ri=39752"},{"id":824841,"name":"Tortuosity","url":"https://www.academia.edu/Documents/in/Tortuosity?f_ri=39752"},{"id":835697,"name":"Lumping Kinetic Model","url":"https://www.academia.edu/Documents/in/Lumping_Kinetic_Model?f_ri=39752"},{"id":982614,"name":"Diffusion Model","url":"https://www.academia.edu/Documents/in/Diffusion_Model?f_ri=39752"},{"id":989646,"name":"Aqueous Solution","url":"https://www.academia.edu/Documents/in/Aqueous_Solution?f_ri=39752"},{"id":1120502,"name":"Experimental Data","url":"https://www.academia.edu/Documents/in/Experimental_Data?f_ri=39752"},{"id":2805230,"name":"Bone char","url":"https://www.academia.edu/Documents/in/Bone_char?f_ri=39752"},{"id":3430039,"name":"Rate Constant","url":"https://www.academia.edu/Documents/in/Rate_Constant?f_ri=39752"},{"id":3849021,"name":"Kinetic model","url":"https://www.academia.edu/Documents/in/Kinetic_model?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_73848242" data-work_id="73848242" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/73848242/Role_of_Extracellular_Polymeric_Substances_EPS_in_Biofouling_of_Reverse_Osmosis_Membranes">Role of Extracellular Polymeric Substances(EPS) in Biofouling of Reverse Osmosis Membranes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Microbially mediated oxidation of Mn(II) to Mn oxides have been demonstrated in previous studies, however, the mechanisms of bacteria how to dissolve and oxidize using a solid Mn(II) origin are poorly understood. In this study, we... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_73848242" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Microbially mediated oxidation of Mn(II) to Mn oxides have been demonstrated in previous studies, however, the mechanisms of bacteria how to dissolve and oxidize using a solid Mn(II) origin are poorly understood. In this study, we examined the role of extracellular polymeric substances (EPS) from P. putida strain MnB1 in enhancing dissolution of natural rhodochrosite. The results showed that P. putida strain MnB1 cell can effectively dissolve and oxidize natural rhodochrosite to generate Mn oxides, and EPS were found to play an important role in increasing dissolution of natural rhodochrosite. Compared with EPS-free treatment, dissolution rate of natural rhodochrosite in the presence of bacterial EPS was significantly increased with decreasing initial pH and increasing EPS concentration, ionic strength and rhodochrosite dosage (p < 0.05). The fourier-transform infrared spectroscopy (FTIR) analysis implies that the functional groups like N-H, C=O and C-H in EPS contributed to the dissolution of natural rhodochrosite. This study is helpful for understanding the mechanisms of the formation of biogenic Mn oxides using a solid Mn(II) origin.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/73848242" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="bd0c181eb0421a17dff022df9f37622d" rel="nofollow" data-download="{"attachment_id":82218395,"asset_id":73848242,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/82218395/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="10646565" href="https://independent.academia.edu/SeoktaeKang">Seoktae Kang</a><script data-card-contents-for-user="10646565" type="text/json">{"id":10646565,"first_name":"Seoktae","last_name":"Kang","domain_name":"independent","page_name":"SeoktaeKang","display_name":"Seoktae Kang","profile_url":"https://independent.academia.edu/SeoktaeKang?f_ri=39752","photo":"https://0.academia-photos.com/10646565/11512688/12840469/s65_seoktae.kang.jpg"}</script></span></span></li><li class="js-paper-rank-work_73848242 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="73848242"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 73848242, container: ".js-paper-rank-work_73848242", }); 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$(".js-view-count[data-work-id=73848242]").text(description); $(".js-view-count-work_73848242").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_73848242").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="73848242"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">20</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="2187" rel="nofollow" href="https://www.academia.edu/Documents/in/Biofilms">Biofilms</a>, <script data-card-contents-for-ri="2187" type="text/json">{"id":2187,"name":"Biofilms","url":"https://www.academia.edu/Documents/in/Biofilms?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9534" rel="nofollow" href="https://www.academia.edu/Documents/in/Calcium">Calcium</a>, <script data-card-contents-for-ri="9534" type="text/json">{"id":9534,"name":"Calcium","url":"https://www.academia.edu/Documents/in/Calcium?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="21466" rel="nofollow" href="https://www.academia.edu/Documents/in/Polymers">Polymers</a>, <script data-card-contents-for-ri="21466" type="text/json">{"id":21466,"name":"Polymers","url":"https://www.academia.edu/Documents/in/Polymers?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="24373" rel="nofollow" href="https://www.academia.edu/Documents/in/Atomic_Force_Microscopy">Atomic Force Microscopy</a><script data-card-contents-for-ri="24373" type="text/json">{"id":24373,"name":"Atomic Force Microscopy","url":"https://www.academia.edu/Documents/in/Atomic_Force_Microscopy?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=73848242]'), work: {"id":73848242,"title":"Role of Extracellular Polymeric Substances(EPS) in Biofouling of Reverse Osmosis Membranes","created_at":"2022-03-15T16:34:55.215-07:00","url":"https://www.academia.edu/73848242/Role_of_Extracellular_Polymeric_Substances_EPS_in_Biofouling_of_Reverse_Osmosis_Membranes?f_ri=39752","dom_id":"work_73848242","summary":"Microbially mediated oxidation of Mn(II) to Mn oxides have been demonstrated in previous studies, however, the mechanisms of bacteria how to dissolve and oxidize using a solid Mn(II) origin are poorly understood. In this study, we examined the role of extracellular polymeric substances (EPS) from P. putida strain MnB1 in enhancing dissolution of natural rhodochrosite. The results showed that P. putida strain MnB1 cell can effectively dissolve and oxidize natural rhodochrosite to generate Mn oxides, and EPS were found to play an important role in increasing dissolution of natural rhodochrosite. Compared with EPS-free treatment, dissolution rate of natural rhodochrosite in the presence of bacterial EPS was significantly increased with decreasing initial pH and increasing EPS concentration, ionic strength and rhodochrosite dosage (p \u003c 0.05). The fourier-transform infrared spectroscopy (FTIR) analysis implies that the functional groups like N-H, C=O and C-H in EPS contributed to the dissolution of natural rhodochrosite. This study is helpful for understanding the mechanisms of the formation of biogenic Mn oxides using a solid Mn(II) origin.","downloadable_attachments":[{"id":82218395,"asset_id":73848242,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":10646565,"first_name":"Seoktae","last_name":"Kang","domain_name":"independent","page_name":"SeoktaeKang","display_name":"Seoktae Kang","profile_url":"https://independent.academia.edu/SeoktaeKang?f_ri=39752","photo":"https://0.academia-photos.com/10646565/11512688/12840469/s65_seoktae.kang.jpg"}],"research_interests":[{"id":2187,"name":"Biofilms","url":"https://www.academia.edu/Documents/in/Biofilms?f_ri=39752","nofollow":true},{"id":9534,"name":"Calcium","url":"https://www.academia.edu/Documents/in/Calcium?f_ri=39752","nofollow":true},{"id":21466,"name":"Polymers","url":"https://www.academia.edu/Documents/in/Polymers?f_ri=39752","nofollow":true},{"id":24373,"name":"Atomic Force Microscopy","url":"https://www.academia.edu/Documents/in/Atomic_Force_Microscopy?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752"},{"id":28505,"name":"Adhesion","url":"https://www.academia.edu/Documents/in/Adhesion?f_ri=39752"},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":63142,"name":"Fouling","url":"https://www.academia.edu/Documents/in/Fouling?f_ri=39752"},{"id":65757,"name":"Wastewater","url":"https://www.academia.edu/Documents/in/Wastewater?f_ri=39752"},{"id":65788,"name":"Biofilm","url":"https://www.academia.edu/Documents/in/Biofilm?f_ri=39752"},{"id":113903,"name":"Bacteria","url":"https://www.academia.edu/Documents/in/Bacteria?f_ri=39752"},{"id":130625,"name":"Membrane Separation","url":"https://www.academia.edu/Documents/in/Membrane_Separation?f_ri=39752"},{"id":183724,"name":"Biofouling","url":"https://www.academia.edu/Documents/in/Biofouling?f_ri=39752"},{"id":225499,"name":"Pseudomonas aeruginosa","url":"https://www.academia.edu/Documents/in/Pseudomonas_aeruginosa?f_ri=39752"},{"id":276273,"name":"Reverse osmosis","url":"https://www.academia.edu/Documents/in/Reverse_osmosis?f_ri=39752"},{"id":397099,"name":"Biological treatment","url":"https://www.academia.edu/Documents/in/Biological_treatment?f_ri=39752"},{"id":609176,"name":"Osmosis","url":"https://www.academia.edu/Documents/in/Osmosis?f_ri=39752"},{"id":636395,"name":"Pseudomonas Aeruginosa","url":"https://www.academia.edu/Documents/in/Pseudomonas_Aeruginosa-1?f_ri=39752"},{"id":970774,"name":"Ionic Strength","url":"https://www.academia.edu/Documents/in/Ionic_Strength?f_ri=39752"},{"id":1451875,"name":"Calcium Ions","url":"https://www.academia.edu/Documents/in/Calcium_Ions?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_52009322" data-work_id="52009322" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/52009322/Utility_of_adsorption_techniques_in_serological_evaluation_of_warm_autoimmune_haemolytic_anaemia">Utility of adsorption techniques in serological evaluation of warm autoimmune haemolytic anaemia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Various adsorption techniques are available to remove serum autoantibodies and subsequently detect the underlying alloantibody in previously transfused patients with autoimmune haemolytic anaemia. We planned to establish a suitable... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_52009322" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Various adsorption techniques are available to remove serum autoantibodies and subsequently detect the underlying alloantibody in previously transfused patients with autoimmune haemolytic anaemia. We planned to establish a suitable adsorption technique in our transfusion service which can remove all autoantibodies and detect underlying alloantibodies rapidly, cheaply and effectively. We evaluated 71 direct antiglobulin test-reactive patients with warm AIHA over a period of 20 months. Twenty-three of these 71 patients who had a previous history of blood transfusion or pregnancy and were confirmed carriers of autoantibodies (indirect antiglobulin test-reactive) were considered for the adsorption study. Depending on the adequacy of samples, history of blood transfusion and severity of anaemia either autoadsorption or alloadsorption or both using polyethylene glycol (PEG) or low ionic strength saline (LISS)-papain were performed. Underlying alloantibodies were detected in 7 of the 23 pa...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/52009322" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="af6b20b78f0dc81fd4ec62ff4b9b4c5a" rel="nofollow" data-download="{"attachment_id":69472372,"asset_id":52009322,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/69472372/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="23735287" href="https://sgpgi.academia.edu/RajendraChaudhary">Rajendra Chaudhary</a><script data-card-contents-for-user="23735287" type="text/json">{"id":23735287,"first_name":"Rajendra","last_name":"Chaudhary","domain_name":"sgpgi","page_name":"RajendraChaudhary","display_name":"Rajendra Chaudhary","profile_url":"https://sgpgi.academia.edu/RajendraChaudhary?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_52009322 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="52009322"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 52009322, container: ".js-paper-rank-work_52009322", }); 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We planned to establish a suitable adsorption technique in our transfusion service which can remove all autoantibodies and detect underlying alloantibodies rapidly, cheaply and effectively. We evaluated 71 direct antiglobulin test-reactive patients with warm AIHA over a period of 20 months. Twenty-three of these 71 patients who had a previous history of blood transfusion or pregnancy and were confirmed carriers of autoantibodies (indirect antiglobulin test-reactive) were considered for the adsorption study. Depending on the adequacy of samples, history of blood transfusion and severity of anaemia either autoadsorption or alloadsorption or both using polyethylene glycol (PEG) or low ionic strength saline (LISS)-papain were performed. Underlying alloantibodies were detected in 7 of the 23 pa...","downloadable_attachments":[{"id":69472372,"asset_id":52009322,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":23735287,"first_name":"Rajendra","last_name":"Chaudhary","domain_name":"sgpgi","page_name":"RajendraChaudhary","display_name":"Rajendra Chaudhary","profile_url":"https://sgpgi.academia.edu/RajendraChaudhary?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":62550,"name":"Pregnancy","url":"https://www.academia.edu/Documents/in/Pregnancy?f_ri=39752","nofollow":true},{"id":627890,"name":"Blood Transfusion","url":"https://www.academia.edu/Documents/in/Blood_Transfusion?f_ri=39752","nofollow":true},{"id":1482586,"name":"Autoantibodies","url":"https://www.academia.edu/Documents/in/Autoantibodies?f_ri=39752","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_44081316" data-work_id="44081316" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/44081316/Analysis_of_direct_immobilized_recombinant_protein_G_on_a_gold_surface">Analysis of direct immobilized recombinant protein G on a gold surface</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/44081316" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="6bd23320b9ae17fd9499a4556063a834" rel="nofollow" data-download="{"attachment_id":64426039,"asset_id":44081316,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/64426039/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="170154487" href="https://nihirp.academia.edu/HHKB">HH KB</a><script data-card-contents-for-user="170154487" type="text/json">{"id":170154487,"first_name":"HH","last_name":"KB","domain_name":"nihirp","page_name":"HHKB","display_name":"HH KB","profile_url":"https://nihirp.academia.edu/HHKB?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_44081316 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="44081316"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 44081316, container: ".js-paper-rank-work_44081316", }); 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Bovine serum albumin (BSA) coatings and multi-arm poly(ethylene glycol) (PEG) coatings display low levels of non-specific protein adsorption and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_43672557" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Surfaces that resist protein adsorption are important for many bioanalytical applications. Bovine serum albumin (BSA) coatings and multi-arm poly(ethylene glycol) (PEG) coatings display low levels of non-specific protein adsorption and have enabled highly quantitative single-molecule (SM) protein studies. Recently, a method was developed for coating a glass with PEG-BSA nanogels, a promising hybrid of these two low-background coatings. We characterized the nanogel coating to determine its suitability for SM protein experiments. SM adsorption counting revealed that nanogel-coated surfaces exhibit lower protein adsorption than covalently coupled BSA surfaces and monolayers of multi-arm PEG, so this surface displays one of the lowest degrees of protein adsorption yet observed. Additionally, the nanogel coating was resistant to DNA adsorption, underscoring the utility of the coating across a variety of SM experiments. The nanogel coating was found to be compatible with surfactants, whereas the BSA coating was not. Finally, applying the coating to a real-world study, we found that single ligand molecules could be tethered to this surface and detected with high sensitivity and specificity by a digital immunoassay. These results suggest that PEG -BSA nanogel coatings will be highly useful for the SM analysis of proteins.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/43672557" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ddddf14975fc763aba920bd7bbb13f76" rel="nofollow" data-download="{"attachment_id":63974491,"asset_id":43672557,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/63974491/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="164084279" href="https://independent.academia.edu/MitraRob">Rob Mitra</a><script data-card-contents-for-user="164084279" type="text/json">{"id":164084279,"first_name":"Rob","last_name":"Mitra","domain_name":"independent","page_name":"MitraRob","display_name":"Rob Mitra","profile_url":"https://independent.academia.edu/MitraRob?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_43672557 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="43672557"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 43672557, container: ".js-paper-rank-work_43672557", }); 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Bovine serum albumin (BSA) coatings and multi-arm poly(ethylene glycol) (PEG) coatings display low levels of non-specific protein adsorption and have enabled highly quantitative single-molecule (SM) protein studies. Recently, a method was developed for coating a glass with PEG-BSA nanogels, a promising hybrid of these two low-background coatings. We characterized the nanogel coating to determine its suitability for SM protein experiments. SM adsorption counting revealed that nanogel-coated surfaces exhibit lower protein adsorption than covalently coupled BSA surfaces and monolayers of multi-arm PEG, so this surface displays one of the lowest degrees of protein adsorption yet observed. Additionally, the nanogel coating was resistant to DNA adsorption, underscoring the utility of the coating across a variety of SM experiments. The nanogel coating was found to be compatible with surfactants, whereas the BSA coating was not. Finally, applying the coating to a real-world study, we found that single ligand molecules could be tethered to this surface and detected with high sensitivity and specificity by a digital immunoassay. These results suggest that PEG -BSA nanogel coatings will be highly useful for the SM analysis of proteins.","downloadable_attachments":[{"id":63974491,"asset_id":43672557,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":164084279,"first_name":"Rob","last_name":"Mitra","domain_name":"independent","page_name":"MitraRob","display_name":"Rob Mitra","profile_url":"https://independent.academia.edu/MitraRob?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":51789,"name":"Antibodies","url":"https://www.academia.edu/Documents/in/Antibodies?f_ri=39752","nofollow":true},{"id":128132,"name":"Nanostructures","url":"https://www.academia.edu/Documents/in/Nanostructures?f_ri=39752","nofollow":true},{"id":161176,"name":"The","url":"https://www.academia.edu/Documents/in/The?f_ri=39752"},{"id":440924,"name":"Surface Properties","url":"https://www.academia.edu/Documents/in/Surface_Properties?f_ri=39752"},{"id":881608,"name":"Bovine Serum Albumin","url":"https://www.academia.edu/Documents/in/Bovine_Serum_Albumin?f_ri=39752"},{"id":1434630,"name":"Polyethylene Glycols","url":"https://www.academia.edu/Documents/in/Polyethylene_Glycols?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_42085733" data-work_id="42085733" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/42085733/Nucleic_Acids_in_Protein_Samples_Interfere_with_Phosphopeptide_Identification_by_Immobilized_Metal_Ion_Affinity_Chromatography_and_Mass_Spectrometry">Nucleic Acids in Protein Samples Interfere with Phosphopeptide Identification by Immobilized-Metal-Ion Affinity Chromatography and Mass Spectrometry</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a 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Spectrometry","created_at":"2020-02-27T06:01:07.587-08:00","url":"https://www.academia.edu/42085733/Nucleic_Acids_in_Protein_Samples_Interfere_with_Phosphopeptide_Identification_by_Immobilized_Metal_Ion_Affinity_Chromatography_and_Mass_Spectrometry?f_ri=39752","dom_id":"work_42085733","summary":null,"downloadable_attachments":[{"id":62214974,"asset_id":42085733,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":99388515,"first_name":"YOUHE","last_name":"GAO","domain_name":"independent","page_name":"YOUHEGAO","display_name":"YOUHE GAO","profile_url":"https://independent.academia.edu/YOUHEGAO?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":923,"name":"Technology","url":"https://www.academia.edu/Documents/in/Technology?f_ri=39752","nofollow":true},{"id":5769,"name":"Mass Spectrometry","url":"https://www.academia.edu/Documents/in/Mass_Spectrometry?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=39752","nofollow":true},{"id":63353,"name":"Identification","url":"https://www.academia.edu/Documents/in/Identification?f_ri=39752"},{"id":158681,"name":"Molecular Biotechnology","url":"https://www.academia.edu/Documents/in/Molecular_Biotechnology?f_ri=39752"},{"id":172678,"name":"Artifacts","url":"https://www.academia.edu/Documents/in/Artifacts?f_ri=39752"},{"id":178906,"name":"Nucleic Acids","url":"https://www.academia.edu/Documents/in/Nucleic_Acids?f_ri=39752"},{"id":181569,"name":"Proteins","url":"https://www.academia.edu/Documents/in/Proteins?f_ri=39752"},{"id":201241,"name":"Affinity chromatography","url":"https://www.academia.edu/Documents/in/Affinity_chromatography?f_ri=39752"},{"id":223715,"name":"Sample","url":"https://www.academia.edu/Documents/in/Sample?f_ri=39752"},{"id":255058,"name":"Metals","url":"https://www.academia.edu/Documents/in/Metals?f_ri=39752"},{"id":291658,"name":"Precipitation","url":"https://www.academia.edu/Documents/in/Precipitation?f_ri=39752"},{"id":1627605,"name":"Phosphopeptides","url":"https://www.academia.edu/Documents/in/Phosphopeptides?f_ri=39752"},{"id":1727314,"name":"Nucleic Acid","url":"https://www.academia.edu/Documents/in/Nucleic_Acid?f_ri=39752"},{"id":1939264,"name":"single stranded DNA","url":"https://www.academia.edu/Documents/in/single_stranded_DNA?f_ri=39752"},{"id":3544702,"name":"Complex Mixtures","url":"https://www.academia.edu/Documents/in/Complex_Mixtures?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_10031899" data-work_id="10031899" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/10031899/Effects_of_Substrate_Relaxation_on_Adsorption_in_Pores">Effects of Substrate Relaxation on Adsorption in Pores</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Fluids in porous media are commonly studied with analytical or simulation methods, usually assuming that the host medium is rigid. By evaluating the substrate’s response (relaxation) to the presence of the fluid we assess the error... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_10031899" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Fluids in porous media are commonly studied with analytical or simulation methods, usually assuming that the host medium is rigid. By evaluating the substrate’s response (relaxation) to the presence of the fluid we assess the error inherent in that assumption. One application is a determination of the ground state of 3He in slit and cylindrical pores. With the relaxation, there results a much stronger cohesion than would be found for a rigid host. Similar increased binding effects of relaxation are found for classical fluids confined within slit pores or nanotube bundles.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/10031899" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d60e1f030c8417a2dc241b6aee6ff549" rel="nofollow" data-download="{"attachment_id":47560152,"asset_id":10031899,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/47560152/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="24430887" href="https://independent.academia.edu/GeorgeStan1">George Stan</a><script data-card-contents-for-user="24430887" type="text/json">{"id":24430887,"first_name":"George","last_name":"Stan","domain_name":"independent","page_name":"GeorgeStan1","display_name":"George Stan","profile_url":"https://independent.academia.edu/GeorgeStan1?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_10031899 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="10031899"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 10031899, container: ".js-paper-rank-work_10031899", }); 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By evaluating the substrate’s response (relaxation) to the presence of the fluid we assess the error inherent in that assumption. One application is a determination of the ground state of 3He in slit and cylindrical pores. With the relaxation, there results a much stronger cohesion than would be found for a rigid host. Similar increased binding effects of relaxation are found for classical fluids confined within slit pores or nanotube bundles.","downloadable_attachments":[{"id":47560152,"asset_id":10031899,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":24430887,"first_name":"George","last_name":"Stan","domain_name":"independent","page_name":"GeorgeStan1","display_name":"George Stan","profile_url":"https://independent.academia.edu/GeorgeStan1?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":318,"name":"Mathematical Physics","url":"https://www.academia.edu/Documents/in/Mathematical_Physics?f_ri=39752","nofollow":true},{"id":505,"name":"Condensed Matter Physics","url":"https://www.academia.edu/Documents/in/Condensed_Matter_Physics?f_ri=39752","nofollow":true},{"id":39499,"name":"Porous Materials","url":"https://www.academia.edu/Documents/in/Porous_Materials?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":71115,"name":"Low Temperature Physics","url":"https://www.academia.edu/Documents/in/Low_Temperature_Physics?f_ri=39752"},{"id":90637,"name":"Porous Media","url":"https://www.academia.edu/Documents/in/Porous_Media?f_ri=39752"},{"id":180835,"name":"Simulation Methods","url":"https://www.academia.edu/Documents/in/Simulation_Methods?f_ri=39752"},{"id":508740,"name":"Porous Material","url":"https://www.academia.edu/Documents/in/Porous_Material?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_11155183" data-work_id="11155183" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/11155183/Predicting_the_Adsorption_of_Asphaltenes_from_Their_Electrical_Conductivity">Predicting the Adsorption of Asphaltenes from Their Electrical Conductivity</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The adsorption of asphaltenes on solid surfaces can be the precursor of deposition problems in oilfields. The prediction of adsorption thickness using conventional techniques, such as quartz crystal microbalance (QCM), is usually costly... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_11155183" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The adsorption of asphaltenes on solid surfaces can be the precursor of deposition problems in oilfields. The prediction of adsorption thickness using conventional techniques, such as quartz crystal microbalance (QCM), is usually costly and time-consuming. Alternatively, the adsorption can be related to asphaltene characteristics in the bulk phase that are easier to determine. This study investigates the relationship between the adsorption thickness of asphaltenes on hydrophilic surfaces, such as gold, and their electrical conductivity in toluene within a range of concentrations where adsorption is diffusion-controlled. The method is based on the measurement of direct-current (DC) conductivity of petroleum fluids in toluene using the impedance spectroscopy (IS) method. An inverse relationship is established between the thickness of adsorbed rigid monolayer films on gold and the conductivity of particles in the bulk fluid. However, the relation does not hold for small asphaltene particles (d < 3 nm) because they tend to form non-uniform multilayers with possible viscoelastic characteristics.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/11155183" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="e0ce170f426331a0f7deec60706504e8" rel="nofollow" data-download="{"attachment_id":46854452,"asset_id":11155183,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/46854452/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="26932988" href="https://independent.academia.edu/Goual">Lamia Goual</a><script data-card-contents-for-user="26932988" type="text/json">{"id":26932988,"first_name":"Lamia","last_name":"Goual","domain_name":"independent","page_name":"Goual","display_name":"Lamia Goual","profile_url":"https://independent.academia.edu/Goual?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_11155183 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="11155183"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 11155183, container: ".js-paper-rank-work_11155183", }); 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$(".js-view-count[data-work-id=11155183]").text(description); $(".js-view-count-work_11155183").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_11155183").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="11155183"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="96446" rel="nofollow" href="https://www.academia.edu/Documents/in/Measurement">Measurement</a>, <script data-card-contents-for-ri="96446" type="text/json">{"id":96446,"name":"Measurement","url":"https://www.academia.edu/Documents/in/Measurement?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="260118" rel="nofollow" href="https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES">CHEMICAL SCIENCES</a><script data-card-contents-for-ri="260118" type="text/json">{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=11155183]'), work: {"id":11155183,"title":"Predicting the Adsorption of Asphaltenes from Their Electrical Conductivity","created_at":"2015-02-27T20:32:47.375-08:00","url":"https://www.academia.edu/11155183/Predicting_the_Adsorption_of_Asphaltenes_from_Their_Electrical_Conductivity?f_ri=39752","dom_id":"work_11155183","summary":"The adsorption of asphaltenes on solid surfaces can be the precursor of deposition problems in oilfields. The prediction of adsorption thickness using conventional techniques, such as quartz crystal microbalance (QCM), is usually costly and time-consuming. Alternatively, the adsorption can be related to asphaltene characteristics in the bulk phase that are easier to determine. This study investigates the relationship between the adsorption thickness of asphaltenes on hydrophilic surfaces, such as gold, and their electrical conductivity in toluene within a range of concentrations where adsorption is diffusion-controlled. The method is based on the measurement of direct-current (DC) conductivity of petroleum fluids in toluene using the impedance spectroscopy (IS) method. An inverse relationship is established between the thickness of adsorbed rigid monolayer films on gold and the conductivity of particles in the bulk fluid. However, the relation does not hold for small asphaltene particles (d \u003c 3 nm) because they tend to form non-uniform multilayers with possible viscoelastic characteristics.","downloadable_attachments":[{"id":46854452,"asset_id":11155183,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":26932988,"first_name":"Lamia","last_name":"Goual","domain_name":"independent","page_name":"Goual","display_name":"Lamia Goual","profile_url":"https://independent.academia.edu/Goual?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":96446,"name":"Measurement","url":"https://www.academia.edu/Documents/in/Measurement?f_ri=39752","nofollow":true},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752","nofollow":true},{"id":390049,"name":"Electrical Conductivity","url":"https://www.academia.edu/Documents/in/Electrical_Conductivity?f_ri=39752"},{"id":487930,"name":"Asphaltene","url":"https://www.academia.edu/Documents/in/Asphaltene?f_ri=39752"},{"id":826396,"name":"Energy and Fuels","url":"https://www.academia.edu/Documents/in/Energy_and_Fuels?f_ri=39752"},{"id":974188,"name":"Monolayer","url":"https://www.academia.edu/Documents/in/Monolayer?f_ri=39752"},{"id":1202042,"name":"Electric Conductivity","url":"https://www.academia.edu/Documents/in/Electric_Conductivity?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_15129404" data-work_id="15129404" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/15129404/Preparation_and_Atomic_Force_Microscopy_AFM_Characterization_of_DNA_Scaffolds_as_a_Template_for_Protein_Immobilization">Preparation and Atomic Force Microscopy (AFM) Characterization of DNA Scaffolds as a Template for Protein Immobilization</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The design of DNA nanostructures is of fundamental importance, the intrinsic value of DNA as a building-block material lies in its ability to organize other bio-molecules with nanometer-scale spacing. Here, we report the fabrication of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15129404" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The design of DNA nanostructures is of fundamental importance, the intrinsic value of DNA as a building-block material lies in its ability to organize other bio-molecules with nanometer-scale spacing. Here, we report the fabrication of DNA scaffolds with nano-pores (< 10 nm size) that formed easily without the use of additives (i.e., avidin, biotin, polyamine, or inorganic materials) into large scale DNA nanostructures by controlling buffer pH and reaction temperature. Large scale DNA scaffolds with porous structures are stable and uniform at slightly acidic buffer pH values (pH 5.5) and at approximately room temperature (∼ 30 C). The depth of the DNA scaffolds with randomly porous size (< 10 nm) was a maximum of approximately 8 nm. Protein immobilization results also confirmed that a fibronectin (FN) proteins/large scale DNA scaffolds/aminopropylytriethoxysilane (APS)/SiO 2 /Si substrate with high sensitivity formed in a well-defined manner. The DNA scaffolds can be applied for use with DNA based biochips, biophysics, and cell biology.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/15129404" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c773a806cb1362ba696eb2339308ef49" rel="nofollow" data-download="{"attachment_id":43557084,"asset_id":15129404,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43557084/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34166013" href="https://kbsi.academia.edu/JouhahnLee">Jouhahn Lee</a><script data-card-contents-for-user="34166013" type="text/json">{"id":34166013,"first_name":"Jouhahn","last_name":"Lee","domain_name":"kbsi","page_name":"JouhahnLee","display_name":"Jouhahn Lee","profile_url":"https://kbsi.academia.edu/JouhahnLee?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_15129404 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="15129404"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 15129404, container: ".js-paper-rank-work_15129404", }); 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Here, we report the fabrication of DNA scaffolds with nano-pores (\u003c 10 nm size) that formed easily without the use of additives (i.e., avidin, biotin, polyamine, or inorganic materials) into large scale DNA nanostructures by controlling buffer pH and reaction temperature. Large scale DNA scaffolds with porous structures are stable and uniform at slightly acidic buffer pH values (pH 5.5) and at approximately room temperature (∼ 30 C). The depth of the DNA scaffolds with randomly porous size (\u003c 10 nm) was a maximum of approximately 8 nm. Protein immobilization results also confirmed that a fibronectin (FN) proteins/large scale DNA scaffolds/aminopropylytriethoxysilane (APS)/SiO 2 /Si substrate with high sensitivity formed in a well-defined manner. The DNA scaffolds can be applied for use with DNA based biochips, biophysics, and cell biology.","downloadable_attachments":[{"id":43557084,"asset_id":15129404,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34166013,"first_name":"Jouhahn","last_name":"Lee","domain_name":"kbsi","page_name":"JouhahnLee","display_name":"Jouhahn Lee","profile_url":"https://kbsi.academia.edu/JouhahnLee?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":923,"name":"Technology","url":"https://www.academia.edu/Documents/in/Technology?f_ri=39752","nofollow":true},{"id":5398,"name":"Biotechnology","url":"https://www.academia.edu/Documents/in/Biotechnology?f_ri=39752","nofollow":true},{"id":17733,"name":"Nanotechnology","url":"https://www.academia.edu/Documents/in/Nanotechnology?f_ri=39752","nofollow":true},{"id":24373,"name":"Atomic Force Microscopy","url":"https://www.academia.edu/Documents/in/Atomic_Force_Microscopy?f_ri=39752"},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":48057,"name":"DNA","url":"https://www.academia.edu/Documents/in/DNA?f_ri=39752"},{"id":68315,"name":"Porosity","url":"https://www.academia.edu/Documents/in/Porosity?f_ri=39752"},{"id":128132,"name":"Nanostructures","url":"https://www.academia.edu/Documents/in/Nanostructures?f_ri=39752"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":627226,"name":"Nanopores","url":"https://www.academia.edu/Documents/in/Nanopores?f_ri=39752"},{"id":1789645,"name":"Nanoscience and nanotechnology","url":"https://www.academia.edu/Documents/in/Nanoscience_and_nanotechnology-1?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_80501247" data-work_id="80501247" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/80501247/Photocatalytic_mineralization_of_benzene_over_gold_containing_titania_nanotubes_Role_of_adsorbed_water_and_nanosize_gold_crystallites">Photocatalytic mineralization of benzene over gold containing titania nanotubes: Role of adsorbed water and nanosize gold crystallites</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/80501247" data-share-source="work_strip" 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itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="46886914" href="https://independent.academia.edu/MaheshKadgaonkar">Mahesh Kadgaonkar</a><script data-card-contents-for-user="46886914" type="text/json">{"id":46886914,"first_name":"Mahesh","last_name":"Kadgaonkar","domain_name":"independent","page_name":"MaheshKadgaonkar","display_name":"Mahesh Kadgaonkar","profile_url":"https://independent.academia.edu/MaheshKadgaonkar?f_ri=39752","photo":"https://0.academia-photos.com/46886914/166696069/156612649/s65_mahesh.kadgaonkar.png"}</script></span></span></li><li class="js-paper-rank-work_80501247 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="80501247"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 80501247, container: 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href="https://www.academia.edu/Documents/in/Photocatalysis">Photocatalysis</a><script data-card-contents-for-ri="58352" type="text/json">{"id":58352,"name":"Photocatalysis","url":"https://www.academia.edu/Documents/in/Photocatalysis?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=80501247]'), work: {"id":80501247,"title":"Photocatalytic mineralization of benzene over gold containing titania nanotubes: Role of adsorbed water and nanosize gold crystallites","created_at":"2022-06-01T22:27:48.660-07:00","url":"https://www.academia.edu/80501247/Photocatalytic_mineralization_of_benzene_over_gold_containing_titania_nanotubes_Role_of_adsorbed_water_and_nanosize_gold_crystallites?f_ri=39752","dom_id":"work_80501247","summary":null,"downloadable_attachments":[{"id":86862031,"asset_id":80501247,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":46886914,"first_name":"Mahesh","last_name":"Kadgaonkar","domain_name":"independent","page_name":"MaheshKadgaonkar","display_name":"Mahesh Kadgaonkar","profile_url":"https://independent.academia.edu/MaheshKadgaonkar?f_ri=39752","photo":"https://0.academia-photos.com/46886914/166696069/156612649/s65_mahesh.kadgaonkar.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":40957,"name":"Heterogeneous 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class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/71856209/Application_of_cotton_as_a_solid_phase_extraction_sorbent_for_on_line_preconcentration_of_copper_in_water_samples_prior_to_inductively_coupled_plasma_optical_emission_spectrometry_determination">Application of cotton as a solid phase extraction sorbent for on-line preconcentration of copper in water samples prior to inductively coupled plasma optical emission spectrometry determination</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Copper, as a heavy metal, is toxic for many biological systems. Thus, the determination of trace amounts of copper in environmental samples is of great importance. In the present work, a new method was developed for the determination of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_71856209" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Copper, as a heavy metal, is toxic for many biological systems. Thus, the determination of trace amounts of copper in environmental samples is of great importance. In the present work, a new method was developed for the determination of trace amounts of copper in water samples. The method is based on the formation of ternary Cu(II)-CAS-CTAB ion-pair and adsorption of it into a mini-column packed with cotton prior applying inductively coupled plasma optical emission spectrometry (ICP-OES). The experimental parameters that affected the extraction efficiency of the method such as pH, flow rate and volume of the sample solution, concentration of chromazurol S (CAS) and cethyltrimethylammonium bromide (CTAB) as well as type and concentration of eluent were investigated and optimized. The ion-pair (Cu(II)-CAS-CTAB) was quantitatively retained on the cotton under the optimum conditions, then eluted completely using a solution of 25% (v/v) 1-propanol in 0.5 mol L −1 HNO 3 and directly introduced into the nebulizer of the ICP-OES. The detection limit (DL) of the method for copper was 40 ng L −1 (V sample = 100 mL) and the relative standard deviation (R.S.D.) for the determination of copper at 10 g L −1 level was found to be 1.3%. The method was successfully applied to determine the trace amounts of copper in tap water, deep well water, seawater and two different mineral waters, and suitable recoveries were obtained (92-106%).</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/71856209" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="1d72cb0d8df39aaecd4cf357505690f2" rel="nofollow" data-download="{"attachment_id":81032144,"asset_id":71856209,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/81032144/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="210802544" href="https://independent.academia.edu/SHAHABSHARIATI1">SHAHAB SHARIATI</a><script data-card-contents-for-user="210802544" type="text/json">{"id":210802544,"first_name":"SHAHAB","last_name":"SHARIATI","domain_name":"independent","page_name":"SHAHABSHARIATI1","display_name":"SHAHAB SHARIATI","profile_url":"https://independent.academia.edu/SHAHABSHARIATI1?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_71856209 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="71856209"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 71856209, container: ".js-paper-rank-work_71856209", }); 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Thus, the determination of trace amounts of copper in environmental samples is of great importance. In the present work, a new method was developed for the determination of trace amounts of copper in water samples. The method is based on the formation of ternary Cu(II)-CAS-CTAB ion-pair and adsorption of it into a mini-column packed with cotton prior applying inductively coupled plasma optical emission spectrometry (ICP-OES). The experimental parameters that affected the extraction efficiency of the method such as pH, flow rate and volume of the sample solution, concentration of chromazurol S (CAS) and cethyltrimethylammonium bromide (CTAB) as well as type and concentration of eluent were investigated and optimized. The ion-pair (Cu(II)-CAS-CTAB) was quantitatively retained on the cotton under the optimum conditions, then eluted completely using a solution of 25% (v/v) 1-propanol in 0.5 mol L −1 HNO 3 and directly introduced into the nebulizer of the ICP-OES. The detection limit (DL) of the method for copper was 40 ng L −1 (V sample = 100 mL) and the relative standard deviation (R.S.D.) for the determination of copper at 10 g L −1 level was found to be 1.3%. The method was successfully applied to determine the trace amounts of copper in tap water, deep well water, seawater and two different mineral waters, and suitable recoveries were obtained (92-106%).","downloadable_attachments":[{"id":81032144,"asset_id":71856209,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":210802544,"first_name":"SHAHAB","last_name":"SHARIATI","domain_name":"independent","page_name":"SHAHABSHARIATI1","display_name":"SHAHAB SHARIATI","profile_url":"https://independent.academia.edu/SHAHABSHARIATI1?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=39752","nofollow":true},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":80692,"name":"Copper","url":"https://www.academia.edu/Documents/in/Copper?f_ri=39752"},{"id":83426,"name":"Solid Phase Extraction","url":"https://www.academia.edu/Documents/in/Solid_Phase_Extraction?f_ri=39752"},{"id":84278,"name":"Ph","url":"https://www.academia.edu/Documents/in/Ph?f_ri=39752"},{"id":111050,"name":"Heavy Metal","url":"https://www.academia.edu/Documents/in/Heavy_Metal?f_ri=39752"},{"id":149625,"name":"Hazardous Materials","url":"https://www.academia.edu/Documents/in/Hazardous_Materials?f_ri=39752"},{"id":157731,"name":"CAS","url":"https://www.academia.edu/Documents/in/CAS?f_ri=39752"},{"id":184467,"name":"Seawater","url":"https://www.academia.edu/Documents/in/Seawater?f_ri=39752"},{"id":297798,"name":"Cotton Fiber","url":"https://www.academia.edu/Documents/in/Cotton_Fiber?f_ri=39752"},{"id":351461,"name":"Biological systems","url":"https://www.academia.edu/Documents/in/Biological_systems?f_ri=39752"},{"id":439435,"name":"Fresh water","url":"https://www.academia.edu/Documents/in/Fresh_water?f_ri=39752"},{"id":444844,"name":"Spectrum analysis","url":"https://www.academia.edu/Documents/in/Spectrum_analysis?f_ri=39752"},{"id":533794,"name":"MINERAL WATER","url":"https://www.academia.edu/Documents/in/MINERAL_WATER?f_ri=39752"},{"id":547683,"name":"Inductively Coupled Plasma","url":"https://www.academia.edu/Documents/in/Inductively_Coupled_Plasma?f_ri=39752"},{"id":898062,"name":"Flow Rate","url":"https://www.academia.edu/Documents/in/Flow_Rate?f_ri=39752"},{"id":2436113,"name":"Tap Water","url":"https://www.academia.edu/Documents/in/Tap_Water?f_ri=39752"},{"id":3075112,"name":"Relative Standard Deviation","url":"https://www.academia.edu/Documents/in/Relative_Standard_Deviation?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_68995725 coauthored" data-work_id="68995725" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/68995725/Synthesis_of_Fe3O4_Nanoparticles_Modified_with_Hyper_Branched_Dendrimers_to_Remove_Anthracene_from_Contaminated_Water">Synthesis of Fe3O4 Nanoparticles Modified with Hyper Branched Dendrimers to Remove Anthracene from Contaminated Water</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Introduction: Anthracene is one of the chemical and persistent pollutants released into the environment and the food chain causing irreparable damage to the immune system. This study aimed at removing anthracene from aqueous solutions... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_68995725" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Introduction: Anthracene is one of the chemical and persistent pollutants released into the environment and the food chain causing irreparable damage to the immune system. This study aimed at removing anthracene from aqueous solutions using modified magnetic nanoparticles. <br /> <br />Materials & Methods: Initially, Fe3O4 nanoparticles were synthesized with silicon dioxide shell and then modified with organic dendrimers. The adsorbent product characterized by Fourier-transform infrared, X-ray diffraction, and scanning electron microscopy. Following that, the effects of different operational parameters in the adsorption process were investigated in this study, and the UV-Vis spectrophotometer was used to measure the anthracene content in the solutions. The adsorbent resuscitation was also assessed in this study. <br />Findings: The highest level of removal efficiency was obtained at the reaction time of 10 min, the adsorbent dosage of 0.7 g/L, and anthracene concentration of 20 mg L−1 at pH=7. The results showed that the adsorption process followed the Langmuir isotherm and pseudo-second-order kinetics. Furthermore, the adsorbent product was capable of resuscitation up to 5 cycles. <br /> <br />Discussion & Conclusions: According to the results, the synthesized magnetic dendrimer was able to remove anthracene from aqueous solutions of contaminated water with high efficiency.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/68995725" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="8b383817d8c2bc54679d95160d326c58" rel="nofollow" data-download="{"attachment_id":79265478,"asset_id":68995725,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/79265478/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="211198250" href="https://medilam.academia.edu/jiums">Journal of Ilam University of Medical Sciences</a><script data-card-contents-for-user="211198250" type="text/json">{"id":211198250,"first_name":"Journal of Ilam University","last_name":"of Medical Sciences","domain_name":"medilam","page_name":"jiums","display_name":"Journal of Ilam University of Medical Sciences","profile_url":"https://medilam.academia.edu/jiums?f_ri=39752","photo":"https://0.academia-photos.com/211198250/70621095/59405902/s65_journal_of_ilam_university.of_medical_sciences.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-68995725">+1</span><div class="hidden js-additional-users-68995725"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/%D8%A7%D9%85%DB%8C%D8%B1%D8%AD%D8%B3%D9%86%DB%8C">امیر حسنی</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-68995725'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-68995725').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_68995725 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="68995725"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 68995725; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=68995725]").text(description); $(".js-view-count-work_68995725").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_68995725").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="68995725"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="183996" rel="nofollow" href="https://www.academia.edu/Documents/in/Anthracene">Anthracene</a>, <script data-card-contents-for-ri="183996" type="text/json">{"id":183996,"name":"Anthracene","url":"https://www.academia.edu/Documents/in/Anthracene?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="3688049" rel="nofollow" href="https://www.academia.edu/Documents/in/Contaminated_Water">Contaminated Water</a><script data-card-contents-for-ri="3688049" type="text/json">{"id":3688049,"name":"Contaminated Water","url":"https://www.academia.edu/Documents/in/Contaminated_Water?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=68995725]'), work: {"id":68995725,"title":"Synthesis of Fe3O4 Nanoparticles Modified with Hyper Branched Dendrimers to Remove Anthracene from Contaminated Water","created_at":"2022-01-21T06:01:22.700-08:00","url":"https://www.academia.edu/68995725/Synthesis_of_Fe3O4_Nanoparticles_Modified_with_Hyper_Branched_Dendrimers_to_Remove_Anthracene_from_Contaminated_Water?f_ri=39752","dom_id":"work_68995725","summary":"Introduction: Anthracene is one of the chemical and persistent pollutants released into the environment and the food chain causing irreparable damage to the immune system. This study aimed at removing anthracene from aqueous solutions using modified magnetic nanoparticles.\r\n \r\nMaterials \u0026 Methods: Initially, Fe3O4 nanoparticles were synthesized with silicon dioxide shell and then modified with organic dendrimers. The adsorbent product characterized by Fourier-transform infrared, X-ray diffraction, and scanning electron microscopy. Following that, the effects of different operational parameters in the adsorption process were investigated in this study, and the UV-Vis spectrophotometer was used to measure the anthracene content in the solutions. The adsorbent resuscitation was also assessed in this study.\r\nFindings: The highest level of removal efficiency was obtained at the reaction time of 10 min, the adsorbent dosage of 0.7 g/L, and anthracene concentration of 20 mg L−1 at pH=7. The results showed that the adsorption process followed the Langmuir isotherm and pseudo-second-order kinetics. Furthermore, the adsorbent product was capable of resuscitation up to 5 cycles.\r\n \r\nDiscussion \u0026 Conclusions: According to the results, the synthesized magnetic dendrimer was able to remove anthracene from aqueous solutions of contaminated water with high efficiency.\r\n ","downloadable_attachments":[{"id":79265478,"asset_id":68995725,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":211198250,"first_name":"Journal of Ilam University","last_name":"of Medical Sciences","domain_name":"medilam","page_name":"jiums","display_name":"Journal of Ilam University of Medical Sciences","profile_url":"https://medilam.academia.edu/jiums?f_ri=39752","photo":"https://0.academia-photos.com/211198250/70621095/59405902/s65_journal_of_ilam_university.of_medical_sciences.jpg"},{"id":212959168,"first_name":"امیر","last_name":"حسنی","domain_name":"independent","page_name":"امیرحسنی","display_name":"امیر حسنی","profile_url":"https://independent.academia.edu/%D8%A7%D9%85%DB%8C%D8%B1%D8%AD%D8%B3%D9%86%DB%8C?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":183996,"name":"Anthracene","url":"https://www.academia.edu/Documents/in/Anthracene?f_ri=39752","nofollow":true},{"id":3688049,"name":"Contaminated Water","url":"https://www.academia.edu/Documents/in/Contaminated_Water?f_ri=39752","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_63305765" data-work_id="63305765" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/63305765/Structure_and_adsorption_of_a_basic_probe_molecule_on_H_ZSM_5_nanostructured_zeolite_An_embedded_ONIOM_study">Structure and adsorption of a basic probe molecule on H-ZSM-5 nanostructured zeolite: An embedded ONIOM study</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The adsorption properties of pyridine on H-ZSM-5 zeolites have been investigated by cluster calculations with the ONIOM scheme and with an embedded-ONIOM scheme. The active site has been modeled with cluster sizes of up to 46 tetrahedra.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_63305765" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The adsorption properties of pyridine on H-ZSM-5 zeolites have been investigated by cluster calculations with the ONIOM scheme and with an embedded-ONIOM scheme. The active site has been modeled with cluster sizes of up to 46 tetrahedra. Two different types of pyridine adsorption complexes on the zeolite models are found. If Zeolite is modeled by a small 3T quantum cluster, the adsorption energy of the hydrogen-bonded pyridine complex (Py-Hz), is found to be À18.5 kcal/mol. When a larger cluster or the ONIOM models are employed, the optimized geometries show the formation of pyrdinium cation [PyH + ] bound as an ion-pair complex [PyH + ][Z À ]. The calculated energy of formation for this ion-pair complex is À36.8 kcal/mol in the ONIOM (B3LYP/6-31G(d,p):UFF) model. Both values are considerably lower than the experimentally estimated heat of adsorption of pyridine in ZSM-5 zeolite of À47.6 kcal/mol. Inclusion of the electrostatic effects of the zeolite crystal lattice via the embedded ONIOM model increases the adsorption energy to À44.4 kcal/mol. Performing the quantum-chemical treatment at the MP2/6-31G(d,p) level instead of the B3LYP/6-31G(d,p) leads to a slightly lower adsorption energy to À45.9 kcal/mol. These data suggest that the embedded ONIOM scheme provides an accurate method of studying the interaction of small organic molecules with zeolites.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/63305765" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="bbef23a2d7dc0df9b5ec09128e120337" rel="nofollow" data-download="{"attachment_id":75779814,"asset_id":63305765,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/75779814/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="112468357" href="https://independent.academia.edu/JarunLomratsiri">Jarun Lomratsiri</a><script data-card-contents-for-user="112468357" type="text/json">{"id":112468357,"first_name":"Jarun","last_name":"Lomratsiri","domain_name":"independent","page_name":"JarunLomratsiri","display_name":"Jarun Lomratsiri","profile_url":"https://independent.academia.edu/JarunLomratsiri?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_63305765 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="63305765"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 63305765, container: ".js-paper-rank-work_63305765", }); 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The active site has been modeled with cluster sizes of up to 46 tetrahedra. Two different types of pyridine adsorption complexes on the zeolite models are found. If Zeolite is modeled by a small 3T quantum cluster, the adsorption energy of the hydrogen-bonded pyridine complex (Py-Hz), is found to be À18.5 kcal/mol. When a larger cluster or the ONIOM models are employed, the optimized geometries show the formation of pyrdinium cation [PyH + ] bound as an ion-pair complex [PyH + ][Z À ]. The calculated energy of formation for this ion-pair complex is À36.8 kcal/mol in the ONIOM (B3LYP/6-31G(d,p):UFF) model. Both values are considerably lower than the experimentally estimated heat of adsorption of pyridine in ZSM-5 zeolite of À47.6 kcal/mol. Inclusion of the electrostatic effects of the zeolite crystal lattice via the embedded ONIOM model increases the adsorption energy to À44.4 kcal/mol. Performing the quantum-chemical treatment at the MP2/6-31G(d,p) level instead of the B3LYP/6-31G(d,p) leads to a slightly lower adsorption energy to À45.9 kcal/mol. These data suggest that the embedded ONIOM scheme provides an accurate method of studying the interaction of small organic molecules with zeolites.","downloadable_attachments":[{"id":75779814,"asset_id":63305765,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":112468357,"first_name":"Jarun","last_name":"Lomratsiri","domain_name":"independent","page_name":"JarunLomratsiri","display_name":"Jarun Lomratsiri","profile_url":"https://independent.academia.edu/JarunLomratsiri?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":55543,"name":"Zeolites","url":"https://www.academia.edu/Documents/in/Zeolites?f_ri=39752","nofollow":true},{"id":64561,"name":"Computer Software","url":"https://www.academia.edu/Documents/in/Computer_Software?f_ri=39752","nofollow":true},{"id":92574,"name":"DFT","url":"https://www.academia.edu/Documents/in/DFT?f_ri=39752"},{"id":128132,"name":"Nanostructures","url":"https://www.academia.edu/Documents/in/Nanostructures?f_ri=39752"},{"id":148624,"name":"Nanostructure","url":"https://www.academia.edu/Documents/in/Nanostructure?f_ri=39752"},{"id":296798,"name":"Hydrogen Bonding","url":"https://www.academia.edu/Documents/in/Hydrogen_Bonding?f_ri=39752"},{"id":354019,"name":"Active site","url":"https://www.academia.edu/Documents/in/Active_site?f_ri=39752"},{"id":490260,"name":"Pyridines","url":"https://www.academia.edu/Documents/in/Pyridines?f_ri=39752"},{"id":645605,"name":"THEORETICAL AND COMPUTATIONAL CHEMISTRY","url":"https://www.academia.edu/Documents/in/THEORETICAL_AND_COMPUTATIONAL_CHEMISTRY?f_ri=39752"},{"id":1681026,"name":"Biochemistry and cell biology","url":"https://www.academia.edu/Documents/in/Biochemistry_and_cell_biology?f_ri=39752"},{"id":1724844,"name":"Molecular Structure","url":"https://www.academia.edu/Documents/in/Molecular_Structure?f_ri=39752"},{"id":2550937,"name":"Molecular probes","url":"https://www.academia.edu/Documents/in/Molecular_probes?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_49257665" data-work_id="49257665" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/49257665/Comparative_Investigation_of_the_Efficacy_of_Three_Different_Adsorbents_against_OTA_Induced_Toxicity_in_Broiler_Chickens">Comparative Investigation of the Efficacy of Three Different Adsorbents against OTA-Induced Toxicity in Broiler Chickens</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The aim of our study was to determine the efficacy of three different adsorbents, inorganic (modified zeolite), organic (esterified glucomannans) and mixed (inorganic and organic components, with the addition of enzymes), in protecting... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_49257665" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The aim of our study was to determine the efficacy of three different adsorbents, inorganic (modified zeolite), organic (esterified glucomannans) and mixed (inorganic and organic components, with the addition of enzymes), in protecting broilers from the toxic effects of ochratoxin A in feed. Broilers were fed diets containing 2 mg/kg of ochratoxin A (OTA) and supplemented with adsorbents at the recommended concentration of 2 g/kg for 21 days. The presence of OTA led to a notable reduction in body weight, lower weight gain, increased feed conversion and induced histopathological changes in the liver and kidneys. The presence of inorganic, organic and mixed adsorbents in contaminated feed only partially reduced the negative effects of OTA on the broiler performances. Broilers that were fed with adsorbent-supplemented feed reached higher body weight (17.96%, 19.09% and 13.59%), compared to the group that received only OTA. The presence of adsorbents partially alleviated the reduction i...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/49257665" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c339808d24e803811746fdba03b3cd72" rel="nofollow" data-download="{"attachment_id":67641501,"asset_id":49257665,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/67641501/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="94864572" href="https://independent.academia.edu/trailovic">sasa trailovic</a><script data-card-contents-for-user="94864572" type="text/json">{"id":94864572,"first_name":"sasa","last_name":"trailovic","domain_name":"independent","page_name":"trailovic","display_name":"sasa trailovic","profile_url":"https://independent.academia.edu/trailovic?f_ri=39752","photo":"https://0.academia-photos.com/94864572/31403404/28841355/s65_sasa.trailovic.jpg"}</script></span></span></li><li class="js-paper-rank-work_49257665 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="49257665"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 49257665, container: ".js-paper-rank-work_49257665", }); 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$(".js-view-count[data-work-id=49257665]").text(description); $(".js-view-count-work_49257665").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_49257665").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="49257665"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">14</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="12426" rel="nofollow" href="https://www.academia.edu/Documents/in/Treatment_Outcome">Treatment Outcome</a>, <script data-card-contents-for-ri="12426" type="text/json">{"id":12426,"name":"Treatment Outcome","url":"https://www.academia.edu/Documents/in/Treatment_Outcome?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="55168" rel="nofollow" href="https://www.academia.edu/Documents/in/Actinobacteria">Actinobacteria</a>, <script data-card-contents-for-ri="55168" type="text/json">{"id":55168,"name":"Actinobacteria","url":"https://www.academia.edu/Documents/in/Actinobacteria?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="55543" rel="nofollow" href="https://www.academia.edu/Documents/in/Zeolites">Zeolites</a><script data-card-contents-for-ri="55543" type="text/json">{"id":55543,"name":"Zeolites","url":"https://www.academia.edu/Documents/in/Zeolites?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=49257665]'), work: {"id":49257665,"title":"Comparative Investigation of the Efficacy of Three Different Adsorbents against OTA-Induced Toxicity in Broiler Chickens","created_at":"2021-06-15T23:38:21.449-07:00","url":"https://www.academia.edu/49257665/Comparative_Investigation_of_the_Efficacy_of_Three_Different_Adsorbents_against_OTA_Induced_Toxicity_in_Broiler_Chickens?f_ri=39752","dom_id":"work_49257665","summary":"The aim of our study was to determine the efficacy of three different adsorbents, inorganic (modified zeolite), organic (esterified glucomannans) and mixed (inorganic and organic components, with the addition of enzymes), in protecting broilers from the toxic effects of ochratoxin A in feed. Broilers were fed diets containing 2 mg/kg of ochratoxin A (OTA) and supplemented with adsorbents at the recommended concentration of 2 g/kg for 21 days. The presence of OTA led to a notable reduction in body weight, lower weight gain, increased feed conversion and induced histopathological changes in the liver and kidneys. The presence of inorganic, organic and mixed adsorbents in contaminated feed only partially reduced the negative effects of OTA on the broiler performances. Broilers that were fed with adsorbent-supplemented feed reached higher body weight (17.96%, 19.09% and 13.59%), compared to the group that received only OTA. The presence of adsorbents partially alleviated the reduction i...","downloadable_attachments":[{"id":67641501,"asset_id":49257665,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":94864572,"first_name":"sasa","last_name":"trailovic","domain_name":"independent","page_name":"trailovic","display_name":"sasa trailovic","profile_url":"https://independent.academia.edu/trailovic?f_ri=39752","photo":"https://0.academia-photos.com/94864572/31403404/28841355/s65_sasa.trailovic.jpg"}],"research_interests":[{"id":12426,"name":"Treatment Outcome","url":"https://www.academia.edu/Documents/in/Treatment_Outcome?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":55168,"name":"Actinobacteria","url":"https://www.academia.edu/Documents/in/Actinobacteria?f_ri=39752","nofollow":true},{"id":55543,"name":"Zeolites","url":"https://www.academia.edu/Documents/in/Zeolites?f_ri=39752","nofollow":true},{"id":71294,"name":"Kidney","url":"https://www.academia.edu/Documents/in/Kidney?f_ri=39752"},{"id":71437,"name":"Liver","url":"https://www.academia.edu/Documents/in/Liver?f_ri=39752"},{"id":94111,"name":"Animal Feed","url":"https://www.academia.edu/Documents/in/Animal_Feed?f_ri=39752"},{"id":218820,"name":"Eating","url":"https://www.academia.edu/Documents/in/Eating?f_ri=39752"},{"id":287869,"name":"Toxins","url":"https://www.academia.edu/Documents/in/Toxins?f_ri=39752"},{"id":402759,"name":"Chickens","url":"https://www.academia.edu/Documents/in/Chickens?f_ri=39752"},{"id":564878,"name":"Body Weight","url":"https://www.academia.edu/Documents/in/Body_Weight?f_ri=39752"},{"id":570860,"name":"Food Contamination","url":"https://www.academia.edu/Documents/in/Food_Contamination?f_ri=39752"},{"id":2209854,"name":"Ochratoxins","url":"https://www.academia.edu/Documents/in/Ochratoxins?f_ri=39752"},{"id":3523618,"name":"Mannans","url":"https://www.academia.edu/Documents/in/Mannans?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_35004652 coauthored" data-work_id="35004652" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/35004652/Biosorption_of_food_dyes_onto_Spirulina_platensis_nanoparticles_Equilibrium_isotherm_and_thermodynamic_analysis">Biosorption of food dyes onto Spirulina platensis nanoparticles: Equilibrium isotherm and thermodynamic analysis</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The biosorption of food dyes FD&C red no. 40 and acid blue 9 onto Spirulina platensis nanoparticles was studied at different conditions of pH and temperature. Four isotherm models were used to evaluate the biosorption equilibrium and the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_35004652" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The biosorption of food dyes FD&C red no. 40 and acid blue 9 onto Spirulina platensis nanoparticles was studied at different conditions of pH and temperature. Four isotherm models were used to evaluate the biosorption equilibrium and the thermodynamic parameters were estimated. Infra red analysis (FT-IR) and energy dispersive X-ray spectroscopy (EDS) were used to verify the biosorption behavior. The maximum biosorption capacities of FD&C red no. 40 and acid blue 9 were found at pH 4 and 298 K, and the values were 468.7 mg g À1 and 1619.4 mg g À1 , respectively. The Sips model was more adequate to fit the equilibrium experimental data (R 2 > 0.99 and ARE < 5%). Thermodynamic study showed that the biosorption was exothermic, spontaneous and favorable. FT-IR and EDS analysis suggested that at pH 4 and 298 K, the biosorption of both dyes onto nanoparticles occurred by chemisorption.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/35004652" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="10866e6998ee73a486ad3174745655d3" rel="nofollow" data-download="{"attachment_id":54869014,"asset_id":35004652,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/54869014/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="69010920" href="https://furg.academia.edu/LuizPinto">Luiz Pinto</a><script data-card-contents-for-user="69010920" type="text/json">{"id":69010920,"first_name":"Luiz","last_name":"Pinto","domain_name":"furg","page_name":"LuizPinto","display_name":"Luiz Pinto","profile_url":"https://furg.academia.edu/LuizPinto?f_ri=39752","photo":"https://0.academia-photos.com/69010920/18286629/18256143/s65_luiz.pinto.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-35004652">+1</span><div class="hidden js-additional-users-35004652"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/GDotto">G. 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Four isotherm models were used to evaluate the biosorption equilibrium and the thermodynamic parameters were estimated. Infra red analysis (FT-IR) and energy dispersive X-ray spectroscopy (EDS) were used to verify the biosorption behavior. The maximum biosorption capacities of FD\u0026C red no. 40 and acid blue 9 were found at pH 4 and 298 K, and the values were 468.7 mg g À1 and 1619.4 mg g À1 , respectively. The Sips model was more adequate to fit the equilibrium experimental data (R 2 \u003e 0.99 and ARE \u003c 5%). Thermodynamic study showed that the biosorption was exothermic, spontaneous and favorable. FT-IR and EDS analysis suggested that at pH 4 and 298 K, the biosorption of both dyes onto nanoparticles occurred by chemisorption.","downloadable_attachments":[{"id":54869014,"asset_id":35004652,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":69010920,"first_name":"Luiz","last_name":"Pinto","domain_name":"furg","page_name":"LuizPinto","display_name":"Luiz Pinto","profile_url":"https://furg.academia.edu/LuizPinto?f_ri=39752","photo":"https://0.academia-photos.com/69010920/18286629/18256143/s65_luiz.pinto.jpg"},{"id":42498444,"first_name":"G.","last_name":"Dotto","domain_name":"independent","page_name":"GDotto","display_name":"G. Dotto","profile_url":"https://independent.academia.edu/GDotto?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true},{"id":13621,"name":"Nanoparticles","url":"https://www.academia.edu/Documents/in/Nanoparticles?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":80991,"name":"Spirulina platensis","url":"https://www.academia.edu/Documents/in/Spirulina_platensis?f_ri=39752"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=39752"},{"id":230127,"name":"Energy Dispersive X-Ray Analysis","url":"https://www.academia.edu/Documents/in/Energy_Dispersive_X-Ray_Analysis?f_ri=39752"},{"id":398650,"name":"Fourier transform infrared spectroscopy","url":"https://www.academia.edu/Documents/in/Fourier_transform_infrared_spectroscopy?f_ri=39752"},{"id":731904,"name":"Spirulina","url":"https://www.academia.edu/Documents/in/Spirulina?f_ri=39752"},{"id":1120502,"name":"Experimental Data","url":"https://www.academia.edu/Documents/in/Experimental_Data?f_ri=39752"},{"id":1137254,"name":"Hydrogen-Ion Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=39752"},{"id":1291063,"name":"Thermodynamic Parameter","url":"https://www.academia.edu/Documents/in/Thermodynamic_Parameter?f_ri=39752"},{"id":2204428,"name":"Infra red","url":"https://www.academia.edu/Documents/in/Infra_red?f_ri=39752"},{"id":2758273,"name":"Bioresource technology","url":"https://www.academia.edu/Documents/in/Bioresource_technology?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_34420113" data-work_id="34420113" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/34420113/The_wetting_properties_and_morphology_of_lignin_adsorbed_on_cellulose_fibres_and_mica">The wetting properties and morphology of lignin adsorbed on cellulose fibres and mica</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The wetting behaviour and the morphology of lignin on cellulose fibres and mica in the presence of cationic polyelectrolytes have been studied. Lignin was adsorbed from aqueous solution on the surfaces of mica and cellulose fibres. Static... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_34420113" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The wetting behaviour and the morphology of lignin on cellulose fibres and mica in the presence of cationic polyelectrolytes have been studied. Lignin was adsorbed from aqueous solution on the surfaces of mica and cellulose fibres. Static contact angles and residual drop volumes were measured on modified surfaces over time. Surface morphology was examined by AFM. Both the structure of the adsorbed layer as well as the hydrophobicity depended on the polymer addition strategy. Lignin adsorbed as granules on both smooth and rough cationised surfaces. Adsorbed and organised lignin was capable of weakening the adhesion of water to both nonporous and porous hydrophilic substrates. Maximum contact angles were found when the adsorbed lignin layer formed a granular structure. In contrast, polymer/lignin complexes that were formed in solution and then adsorbed on mica or cellulose were not as effective in lowering the adhesion of water. They adsorbed on mica and pulp fibres as either a thin film or as larger blobs, depending on the properties of the cationic polymer.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/34420113" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="67a05b8c9d5db5adeab22205b8367a95" rel="nofollow" data-download="{"attachment_id":54298167,"asset_id":34420113,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/54298167/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="37514391" href="https://aalto-fi.academia.edu/PerStenius">Per Stenius</a><script data-card-contents-for-user="37514391" type="text/json">{"id":37514391,"first_name":"Per","last_name":"Stenius","domain_name":"aalto-fi","page_name":"PerStenius","display_name":"Per Stenius","profile_url":"https://aalto-fi.academia.edu/PerStenius?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_34420113 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="34420113"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 34420113, container: ".js-paper-rank-work_34420113", }); 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$(".js-view-count[data-work-id=34420113]").text(description); $(".js-view-count-work_34420113").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_34420113").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="34420113"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="75498" rel="nofollow" href="https://www.academia.edu/Documents/in/AFM">AFM</a>, <script data-card-contents-for-ri="75498" type="text/json">{"id":75498,"name":"AFM","url":"https://www.academia.edu/Documents/in/AFM?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="101573" rel="nofollow" href="https://www.academia.edu/Documents/in/Thin_Film">Thin Film</a><script data-card-contents-for-ri="101573" type="text/json">{"id":101573,"name":"Thin Film","url":"https://www.academia.edu/Documents/in/Thin_Film?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=34420113]'), work: {"id":34420113,"title":"The wetting properties and morphology of lignin adsorbed on cellulose fibres and mica","created_at":"2017-08-31T00:29:24.066-07:00","url":"https://www.academia.edu/34420113/The_wetting_properties_and_morphology_of_lignin_adsorbed_on_cellulose_fibres_and_mica?f_ri=39752","dom_id":"work_34420113","summary":"The wetting behaviour and the morphology of lignin on cellulose fibres and mica in the presence of cationic polyelectrolytes have been studied. Lignin was adsorbed from aqueous solution on the surfaces of mica and cellulose fibres. Static contact angles and residual drop volumes were measured on modified surfaces over time. Surface morphology was examined by AFM. Both the structure of the adsorbed layer as well as the hydrophobicity depended on the polymer addition strategy. Lignin adsorbed as granules on both smooth and rough cationised surfaces. Adsorbed and organised lignin was capable of weakening the adhesion of water to both nonporous and porous hydrophilic substrates. Maximum contact angles were found when the adsorbed lignin layer formed a granular structure. In contrast, polymer/lignin complexes that were formed in solution and then adsorbed on mica or cellulose were not as effective in lowering the adhesion of water. They adsorbed on mica and pulp fibres as either a thin film or as larger blobs, depending on the properties of the cationic polymer.","downloadable_attachments":[{"id":54298167,"asset_id":34420113,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":37514391,"first_name":"Per","last_name":"Stenius","domain_name":"aalto-fi","page_name":"PerStenius","display_name":"Per Stenius","profile_url":"https://aalto-fi.academia.edu/PerStenius?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":75498,"name":"AFM","url":"https://www.academia.edu/Documents/in/AFM?f_ri=39752","nofollow":true},{"id":101573,"name":"Thin Film","url":"https://www.academia.edu/Documents/in/Thin_Film?f_ri=39752","nofollow":true},{"id":118582,"name":"Physical sciences","url":"https://www.academia.edu/Documents/in/Physical_sciences?f_ri=39752"},{"id":161126,"name":"Contact angle","url":"https://www.academia.edu/Documents/in/Contact_angle?f_ri=39752"},{"id":186264,"name":"Surface Morphology","url":"https://www.academia.edu/Documents/in/Surface_Morphology?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":989646,"name":"Aqueous Solution","url":"https://www.academia.edu/Documents/in/Aqueous_Solution?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_32791944" data-work_id="32791944" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/32791944/Efficiency_of_sepiolite_in_broilers_diet_as_uranium_adsorbent">Efficiency of sepiolite in broilers diet as uranium adsorbent</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The use of phosphate mineral products in animal nutrition, as a major source of phosphor and calcium, can lead to uranium entering the food chain. The aim of the present study was to determine the protective effect of natural sepiolite... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_32791944" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The use of phosphate mineral products in animal nutrition, as a major source of phosphor and calcium, can lead to uranium entering the food chain. The aim of the present study was to determine the protective effect of natural sepiolite and sepiolite treated with acid for broilers after oral intake of uranium. The broilers were contaminated for 7 days with 25 mg/uranyl nitrate per day. Two different adsorbents (natural sepiolite and sepiolite treated with acid) were given via gastric tube immediately after the oral administration of uranium. Natural sepiolite reduced uranium distribution by 57 % in kidney, 80 % in liver, 42 % in brain, and 56 % in muscle. A lower protective effect was observed after the administration of sepiolite treated with acid, resulting in significant damage of intestinal villi in the form of shortening, fragmentation, and necrosis, and histopathological lesions on kidney in the form of edema and abruption of epithelial cells in tubules. When broilers received only sepiolite treated with acid (no uranyl nitrate), shortening of intestinal villi occurred. Kidney injuries were evident when uranium concentrations in kidney were 0.88 and 1.25 lg/g dry weight. It is concluded that adding of natural sepiolite to the diets of broilers can reduce uranium distribution in organs by significant amount without adverse side effects.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/32791944" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="20ddb2fc783e7309ab04a6ebfcc0638d" rel="nofollow" data-download="{"attachment_id":52943259,"asset_id":32791944,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/52943259/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="13243192" href="https://bg.academia.edu/BranislavaMitrovic">Branislava M Mitrovic</a><script data-card-contents-for-user="13243192" type="text/json">{"id":13243192,"first_name":"Branislava","last_name":"Mitrovic","domain_name":"bg","page_name":"BranislavaMitrovic","display_name":"Branislava M Mitrovic","profile_url":"https://bg.academia.edu/BranislavaMitrovic?f_ri=39752","photo":"https://0.academia-photos.com/13243192/3845388/18475905/s65_branislava.mitrovic.jpg"}</script></span></span></li><li class="js-paper-rank-work_32791944 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="32791944"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 32791944, container: ".js-paper-rank-work_32791944", }); 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$(".js-view-count[data-work-id=32791944]").text(description); $(".js-view-count-work_32791944").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_32791944").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="32791944"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="82121" rel="nofollow" href="https://www.academia.edu/Documents/in/Uranium">Uranium</a>, <script data-card-contents-for-ri="82121" type="text/json">{"id":82121,"name":"Uranium","url":"https://www.academia.edu/Documents/in/Uranium?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="94111" rel="nofollow" href="https://www.academia.edu/Documents/in/Animal_Feed">Animal Feed</a><script data-card-contents-for-ri="94111" type="text/json">{"id":94111,"name":"Animal Feed","url":"https://www.academia.edu/Documents/in/Animal_Feed?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=32791944]'), work: {"id":32791944,"title":"Efficiency of sepiolite in broilers diet as uranium adsorbent","created_at":"2017-05-03T01:10:47.445-07:00","url":"https://www.academia.edu/32791944/Efficiency_of_sepiolite_in_broilers_diet_as_uranium_adsorbent?f_ri=39752","dom_id":"work_32791944","summary":"The use of phosphate mineral products in animal nutrition, as a major source of phosphor and calcium, can lead to uranium entering the food chain. The aim of the present study was to determine the protective effect of natural sepiolite and sepiolite treated with acid for broilers after oral intake of uranium. The broilers were contaminated for 7 days with 25 mg/uranyl nitrate per day. Two different adsorbents (natural sepiolite and sepiolite treated with acid) were given via gastric tube immediately after the oral administration of uranium. Natural sepiolite reduced uranium distribution by 57 % in kidney, 80 % in liver, 42 % in brain, and 56 % in muscle. A lower protective effect was observed after the administration of sepiolite treated with acid, resulting in significant damage of intestinal villi in the form of shortening, fragmentation, and necrosis, and histopathological lesions on kidney in the form of edema and abruption of epithelial cells in tubules. When broilers received only sepiolite treated with acid (no uranyl nitrate), shortening of intestinal villi occurred. Kidney injuries were evident when uranium concentrations in kidney were 0.88 and 1.25 lg/g dry weight. It is concluded that adding of natural sepiolite to the diets of broilers can reduce uranium distribution in organs by significant amount without adverse side effects.","downloadable_attachments":[{"id":52943259,"asset_id":32791944,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":13243192,"first_name":"Branislava","last_name":"Mitrovic","domain_name":"bg","page_name":"BranislavaMitrovic","display_name":"Branislava M Mitrovic","profile_url":"https://bg.academia.edu/BranislavaMitrovic?f_ri=39752","photo":"https://0.academia-photos.com/13243192/3845388/18475905/s65_branislava.mitrovic.jpg"}],"research_interests":[{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=39752","nofollow":true},{"id":82121,"name":"Uranium","url":"https://www.academia.edu/Documents/in/Uranium?f_ri=39752","nofollow":true},{"id":94111,"name":"Animal Feed","url":"https://www.academia.edu/Documents/in/Animal_Feed?f_ri=39752","nofollow":true},{"id":291136,"name":"Intestines","url":"https://www.academia.edu/Documents/in/Intestines?f_ri=39752"},{"id":402759,"name":"Chickens","url":"https://www.academia.edu/Documents/in/Chickens?f_ri=39752"},{"id":413195,"name":"Time Factors","url":"https://www.academia.edu/Documents/in/Time_Factors?f_ri=39752"},{"id":1137254,"name":"Hydrogen-Ion Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=39752"},{"id":1942175,"name":"Biophysik","url":"https://www.academia.edu/Documents/in/Biophysik?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_32216928" data-work_id="32216928" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/32216928/Diffusion_of_methylene_blue_in_glass_fibers_Application_of_the_shrinking_core_model">Diffusion of methylene blue in glass fibers – Application of the shrinking core model</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Diffusion of mass in a solid cylinder with concentration dependent diffusivity (or temperature-dependent thermal conductivity in case of heat diffusion) does not admit of an analytical solution except in special cases. The 'shrinking core... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_32216928" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Diffusion of mass in a solid cylinder with concentration dependent diffusivity (or temperature-dependent thermal conductivity in case of heat diffusion) does not admit of an analytical solution except in special cases. The 'shrinking core model' has been used to develop an approximate analytical solution in certain circumstances. The model, generally useful to describe heterogeneous solid-fluid reactions, is applied to theoretically analyze the adsorption-diffusion phenomena of methylene blue dye in a glass fiber in the present work. Theoretical equations have been derived for the case of diffusivity as an exponential function of concentration. The diffusivity parameters are evaluated by global minimization of the error between the experimental and the theoretical concentration history. Other forms of diffusivity, namely constant diffusivity and diffusivity varying linearly with concentration are found to involve larger errors. A parametric sensitivity analysis of the error has been done. The shrinking core model could satisfactorily interpret the experimental dye concentration profile in the substrate.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/32216928" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="29e2159ba069b03c0d2951e170ee7ade" rel="nofollow" data-download="{"attachment_id":52444084,"asset_id":32216928,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/52444084/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="62481783" href="https://independent.academia.edu/SampaChakrabarti">Sampa Chakrabarti</a><script data-card-contents-for-user="62481783" type="text/json">{"id":62481783,"first_name":"Sampa","last_name":"Chakrabarti","domain_name":"independent","page_name":"SampaChakrabarti","display_name":"Sampa Chakrabarti","profile_url":"https://independent.academia.edu/SampaChakrabarti?f_ri=39752","photo":"https://0.academia-photos.com/62481783/99737479/88873030/s65_sampa.chakrabarti.jpeg"}</script></span></span></li><li class="js-paper-rank-work_32216928 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="32216928"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 32216928, container: ".js-paper-rank-work_32216928", }); 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$(".js-view-count[data-work-id=32216928]").text(description); $(".js-view-count-work_32216928").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_32216928").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="32216928"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="305" rel="nofollow" href="https://www.academia.edu/Documents/in/Applied_Mathematics">Applied Mathematics</a>, <script data-card-contents-for-ri="305" type="text/json">{"id":305,"name":"Applied Mathematics","url":"https://www.academia.edu/Documents/in/Applied_Mathematics?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="20099" rel="nofollow" href="https://www.academia.edu/Documents/in/Sensitivity_Analysis">Sensitivity Analysis</a>, <script data-card-contents-for-ri="20099" type="text/json">{"id":20099,"name":"Sensitivity Analysis","url":"https://www.academia.edu/Documents/in/Sensitivity_Analysis?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="43981" rel="nofollow" href="https://www.academia.edu/Documents/in/Optimization">Optimization</a><script data-card-contents-for-ri="43981" type="text/json">{"id":43981,"name":"Optimization","url":"https://www.academia.edu/Documents/in/Optimization?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=32216928]'), work: {"id":32216928,"title":"Diffusion of methylene blue in glass fibers – Application of the shrinking core model","created_at":"2017-04-03T02:01:02.386-07:00","url":"https://www.academia.edu/32216928/Diffusion_of_methylene_blue_in_glass_fibers_Application_of_the_shrinking_core_model?f_ri=39752","dom_id":"work_32216928","summary":"Diffusion of mass in a solid cylinder with concentration dependent diffusivity (or temperature-dependent thermal conductivity in case of heat diffusion) does not admit of an analytical solution except in special cases. The 'shrinking core model' has been used to develop an approximate analytical solution in certain circumstances. The model, generally useful to describe heterogeneous solid-fluid reactions, is applied to theoretically analyze the adsorption-diffusion phenomena of methylene blue dye in a glass fiber in the present work. Theoretical equations have been derived for the case of diffusivity as an exponential function of concentration. The diffusivity parameters are evaluated by global minimization of the error between the experimental and the theoretical concentration history. Other forms of diffusivity, namely constant diffusivity and diffusivity varying linearly with concentration are found to involve larger errors. A parametric sensitivity analysis of the error has been done. The shrinking core model could satisfactorily interpret the experimental dye concentration profile in the substrate.","downloadable_attachments":[{"id":52444084,"asset_id":32216928,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":62481783,"first_name":"Sampa","last_name":"Chakrabarti","domain_name":"independent","page_name":"SampaChakrabarti","display_name":"Sampa Chakrabarti","profile_url":"https://independent.academia.edu/SampaChakrabarti?f_ri=39752","photo":"https://0.academia-photos.com/62481783/99737479/88873030/s65_sampa.chakrabarti.jpeg"}],"research_interests":[{"id":305,"name":"Applied Mathematics","url":"https://www.academia.edu/Documents/in/Applied_Mathematics?f_ri=39752","nofollow":true},{"id":20099,"name":"Sensitivity Analysis","url":"https://www.academia.edu/Documents/in/Sensitivity_Analysis?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":43981,"name":"Optimization","url":"https://www.academia.edu/Documents/in/Optimization?f_ri=39752","nofollow":true},{"id":83315,"name":"Diffusion","url":"https://www.academia.edu/Documents/in/Diffusion?f_ri=39752"},{"id":119668,"name":"Thermal conduction in Nanomaterials","url":"https://www.academia.edu/Documents/in/Thermal_conduction_in_Nanomaterials?f_ri=39752"},{"id":168701,"name":"Sorption","url":"https://www.academia.edu/Documents/in/Sorption?f_ri=39752"},{"id":196381,"name":"Methylene Blue","url":"https://www.academia.edu/Documents/in/Methylene_Blue?f_ri=39752"},{"id":246758,"name":"Thermal Conductivity","url":"https://www.academia.edu/Documents/in/Thermal_Conductivity?f_ri=39752"},{"id":247487,"name":"Temperature Dependence","url":"https://www.academia.edu/Documents/in/Temperature_Dependence?f_ri=39752"},{"id":291387,"name":"Mathematical Model","url":"https://www.academia.edu/Documents/in/Mathematical_Model?f_ri=39752"},{"id":428468,"name":"Applied Mathematical Modelling","url":"https://www.academia.edu/Documents/in/Applied_Mathematical_Modelling?f_ri=39752"},{"id":443788,"name":"Glass Fiber","url":"https://www.academia.edu/Documents/in/Glass_Fiber?f_ri=39752"},{"id":525606,"name":"Model Generation","url":"https://www.academia.edu/Documents/in/Model_Generation?f_ri=39752"},{"id":584683,"name":"Waste minimisation","url":"https://www.academia.edu/Documents/in/Waste_minimisation?f_ri=39752"},{"id":604746,"name":"Glass-Fibers","url":"https://www.academia.edu/Documents/in/Glass-Fibers?f_ri=39752"},{"id":1264826,"name":"Exponential Function","url":"https://www.academia.edu/Documents/in/Exponential_Function?f_ri=39752"},{"id":1561665,"name":"Minimization","url":"https://www.academia.edu/Documents/in/Minimization?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_31957618" data-work_id="31957618" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/31957618/Influence_of_the_lactose_grade_within_dry_powder_formulations_of_fluticasone_propionate_and_terbutaline_sulphate">Influence of the lactose grade within dry powder formulations of fluticasone propionate and terbutaline sulphate</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Dry powder formulations are often composed of fine drug particles and coarser carrier particles, typically alpha-lactose monohydrate. However, the performance of a powder formulation may be highly dependent on the lactose quality and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_31957618" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Dry powder formulations are often composed of fine drug particles and coarser carrier particles, typically alpha-lactose monohydrate. However, the performance of a powder formulation may be highly dependent on the lactose quality and source. This study investigated the characteristics of lactose that influence the drug-to-carrier interaction and the performance of lactose-based dry powder inhaler formulations. The selected lactoses differed in the preparation processes and the content of fine lactose particles. Efficiency testing was done using fluticasone propionate and terbutaline sulphate as model drugs. Inverse gas chromatography was used to determine the surface heterogeneity distribution of different energy sites of the lactose and to understand the mechanism by which the fine carrier particles can improve the performance of dry powder inhalers. To assess the adhesion of respirable-sized drug to carrier particles, a simple method was developed based on aspiration and consideri...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/31957618" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="a94618d07e50097797331117ae646b31" rel="nofollow" data-download="{"attachment_id":52233308,"asset_id":31957618,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/52233308/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="40148901" href="https://independent.academia.edu/MariePierreFlament">Marie-Pierre Flament</a><script data-card-contents-for-user="40148901" type="text/json">{"id":40148901,"first_name":"Marie-Pierre","last_name":"Flament","domain_name":"independent","page_name":"MariePierreFlament","display_name":"Marie-Pierre Flament","profile_url":"https://independent.academia.edu/MariePierreFlament?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_31957618 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="31957618"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 31957618, container: ".js-paper-rank-work_31957618", }); 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$(".js-view-count[data-work-id=31957618]").text(description); $(".js-view-count-work_31957618").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_31957618").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="31957618"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">12</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="9186" rel="nofollow" href="https://www.academia.edu/Documents/in/Pharmaceutical_Technology">Pharmaceutical Technology</a>, <script data-card-contents-for-ri="9186" type="text/json">{"id":9186,"name":"Pharmaceutical Technology","url":"https://www.academia.edu/Documents/in/Pharmaceutical_Technology?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="23390" rel="nofollow" href="https://www.academia.edu/Documents/in/Pharmaceutical_Chemistry">Pharmaceutical Chemistry</a>, <script data-card-contents-for-ri="23390" type="text/json">{"id":23390,"name":"Pharmaceutical Chemistry","url":"https://www.academia.edu/Documents/in/Pharmaceutical_Chemistry?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="36763" rel="nofollow" href="https://www.academia.edu/Documents/in/Aerosols">Aerosols</a>, <script data-card-contents-for-ri="36763" type="text/json">{"id":36763,"name":"Aerosols","url":"https://www.academia.edu/Documents/in/Aerosols?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a><script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=31957618]'), work: {"id":31957618,"title":"Influence of the lactose grade within dry powder formulations of fluticasone propionate and terbutaline sulphate","created_at":"2017-03-21T01:52:00.496-07:00","url":"https://www.academia.edu/31957618/Influence_of_the_lactose_grade_within_dry_powder_formulations_of_fluticasone_propionate_and_terbutaline_sulphate?f_ri=39752","dom_id":"work_31957618","summary":"Dry powder formulations are often composed of fine drug particles and coarser carrier particles, typically alpha-lactose monohydrate. However, the performance of a powder formulation may be highly dependent on the lactose quality and source. This study investigated the characteristics of lactose that influence the drug-to-carrier interaction and the performance of lactose-based dry powder inhaler formulations. The selected lactoses differed in the preparation processes and the content of fine lactose particles. Efficiency testing was done using fluticasone propionate and terbutaline sulphate as model drugs. Inverse gas chromatography was used to determine the surface heterogeneity distribution of different energy sites of the lactose and to understand the mechanism by which the fine carrier particles can improve the performance of dry powder inhalers. To assess the adhesion of respirable-sized drug to carrier particles, a simple method was developed based on aspiration and consideri...","downloadable_attachments":[{"id":52233308,"asset_id":31957618,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":40148901,"first_name":"Marie-Pierre","last_name":"Flament","domain_name":"independent","page_name":"MariePierreFlament","display_name":"Marie-Pierre Flament","profile_url":"https://independent.academia.edu/MariePierreFlament?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":9186,"name":"Pharmaceutical Technology","url":"https://www.academia.edu/Documents/in/Pharmaceutical_Technology?f_ri=39752","nofollow":true},{"id":23390,"name":"Pharmaceutical Chemistry","url":"https://www.academia.edu/Documents/in/Pharmaceutical_Chemistry?f_ri=39752","nofollow":true},{"id":36763,"name":"Aerosols","url":"https://www.academia.edu/Documents/in/Aerosols?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":41745,"name":"Pharmaceutics","url":"https://www.academia.edu/Documents/in/Pharmaceutics?f_ri=39752"},{"id":166448,"name":"Gas Chromatography","url":"https://www.academia.edu/Documents/in/Gas_Chromatography?f_ri=39752"},{"id":390245,"name":"Particle Size","url":"https://www.academia.edu/Documents/in/Particle_Size?f_ri=39752"},{"id":776363,"name":"Powders","url":"https://www.academia.edu/Documents/in/Powders?f_ri=39752"},{"id":781097,"name":"Lactose","url":"https://www.academia.edu/Documents/in/Lactose?f_ri=39752"},{"id":1031068,"name":"Drug Carriers","url":"https://www.academia.edu/Documents/in/Drug_Carriers?f_ri=39752"},{"id":1135812,"name":"Drug Compounding","url":"https://www.academia.edu/Documents/in/Drug_Compounding?f_ri=39752"},{"id":1481824,"name":"Terbutaline","url":"https://www.academia.edu/Documents/in/Terbutaline?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_31624571" data-work_id="31624571" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/31624571/Immunochemical_characterization_of_antibody_coated_nanoparticles">Immunochemical characterization of antibody-coated nanoparticles</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" 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Techniques","url":"https://www.academia.edu/Documents/in/Biosensing_Techniques?f_ri=39752"},{"id":1434584,"name":"Malonates","url":"https://www.academia.edu/Documents/in/Malonates?f_ri=39752"},{"id":1681026,"name":"Biochemistry and cell biology","url":"https://www.academia.edu/Documents/in/Biochemistry_and_cell_biology?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_3074390" data-work_id="3074390" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/3074390/Adsorption_of_reactive_dyes_on_calcined_alunite_from_aqueous_solutions">Adsorption of reactive dyes on calcined alunite from aqueous solutions</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">An attempt to alleviate the problem caused by the presence of reactive dyes in textile effluents was undertaken. Since alunite is a very abundant and inexpensive, we decided to experiment with it as a potential adsorbent for a certain... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_3074390" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">An attempt to alleviate the problem caused by the presence of reactive dyes in textile effluents was undertaken. Since alunite is a very abundant and inexpensive, we decided to experiment with it as a potential adsorbent for a certain type of the supracited pollutants used in cellulose fibers dyeing. The adsorption of Reactive Blue 114 (RB114), Reactive Yellow 64 (RY64) and Reactive Red 124 (RR124) by calcined alunite was studied by varying parameters such as the calcination temperature and time, particle size, pH, agitation time and dye concentration. Acidic pH was favorable for the adsorption of RB114 and alkaline pH was favorable to both RY64 and RR124. The equilibrium data fit the Langmuir isotherm. The adsorption capacities were found to be 170.7, 236 and 153 mg dye per gram of calcined alunite for RB114, RY64 and RR124, respectively. The pseudo first-and second-order kinetic models were used to describe the kinetic data, and the rate constants were evaluated. The experimental data were fitted by the second-order kinetic model, which indicates that chemicalsorption is the rate limiting step, inside of mass transfer.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/3074390" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="9fa0ec8fceb165d7a5035812154324e2" rel="nofollow" data-download="{"attachment_id":50489812,"asset_id":3074390,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/50489812/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="3535183" href="https://alex.academia.edu/NourMoukhtar">Nour Moukhtar</a><script data-card-contents-for-user="3535183" type="text/json">{"id":3535183,"first_name":"Nour","last_name":"Moukhtar","domain_name":"alex","page_name":"NourMoukhtar","display_name":"Nour Moukhtar","profile_url":"https://alex.academia.edu/NourMoukhtar?f_ri=39752","photo":"https://0.academia-photos.com/3535183/1215580/1520813/s65_nour.moukhtar.jpg"}</script></span></span></li><li class="js-paper-rank-work_3074390 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3074390"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3074390, container: ".js-paper-rank-work_3074390", }); 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$(".js-view-count[data-work-id=3074390]").text(description); $(".js-view-count-work_3074390").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_3074390").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="3074390"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">20</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2024" rel="nofollow" href="https://www.academia.edu/Documents/in/Mass_Transfer">Mass Transfer</a>, <script data-card-contents-for-ri="2024" type="text/json">{"id":2024,"name":"Mass Transfer","url":"https://www.academia.edu/Documents/in/Mass_Transfer?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4987" rel="nofollow" href="https://www.academia.edu/Documents/in/Kinetics">Kinetics</a>, <script data-card-contents-for-ri="4987" type="text/json">{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6515" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_Purification">Water Purification</a><script data-card-contents-for-ri="6515" type="text/json">{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=3074390]'), work: {"id":3074390,"title":"Adsorption of reactive dyes on calcined alunite from aqueous solutions","created_at":"2013-03-21T05:43:58.931-07:00","url":"https://www.academia.edu/3074390/Adsorption_of_reactive_dyes_on_calcined_alunite_from_aqueous_solutions?f_ri=39752","dom_id":"work_3074390","summary":"An attempt to alleviate the problem caused by the presence of reactive dyes in textile effluents was undertaken. Since alunite is a very abundant and inexpensive, we decided to experiment with it as a potential adsorbent for a certain type of the supracited pollutants used in cellulose fibers dyeing. The adsorption of Reactive Blue 114 (RB114), Reactive Yellow 64 (RY64) and Reactive Red 124 (RR124) by calcined alunite was studied by varying parameters such as the calcination temperature and time, particle size, pH, agitation time and dye concentration. Acidic pH was favorable for the adsorption of RB114 and alkaline pH was favorable to both RY64 and RR124. The equilibrium data fit the Langmuir isotherm. The adsorption capacities were found to be 170.7, 236 and 153 mg dye per gram of calcined alunite for RB114, RY64 and RR124, respectively. The pseudo first-and second-order kinetic models were used to describe the kinetic data, and the rate constants were evaluated. The experimental data were fitted by the second-order kinetic model, which indicates that chemicalsorption is the rate limiting step, inside of mass transfer.","downloadable_attachments":[{"id":50489812,"asset_id":3074390,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":3535183,"first_name":"Nour","last_name":"Moukhtar","domain_name":"alex","page_name":"NourMoukhtar","display_name":"Nour Moukhtar","profile_url":"https://alex.academia.edu/NourMoukhtar?f_ri=39752","photo":"https://0.academia-photos.com/3535183/1215580/1520813/s65_nour.moukhtar.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":2024,"name":"Mass Transfer","url":"https://www.academia.edu/Documents/in/Mass_Transfer?f_ri=39752","nofollow":true},{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true},{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=39752"},{"id":149625,"name":"Hazardous Materials","url":"https://www.academia.edu/Documents/in/Hazardous_Materials?f_ri=39752"},{"id":228375,"name":"Data Fitting","url":"https://www.academia.edu/Documents/in/Data_Fitting?f_ri=39752"},{"id":347272,"name":"Second Order","url":"https://www.academia.edu/Documents/in/Second_Order?f_ri=39752"},{"id":390245,"name":"Particle Size","url":"https://www.academia.edu/Documents/in/Particle_Size?f_ri=39752"},{"id":741421,"name":"Adsorption Isotherm Models","url":"https://www.academia.edu/Documents/in/Adsorption_Isotherm_Models?f_ri=39752"},{"id":793888,"name":"Reactive Dyes","url":"https://www.academia.edu/Documents/in/Reactive_Dyes?f_ri=39752"},{"id":835697,"name":"Lumping Kinetic Model","url":"https://www.academia.edu/Documents/in/Lumping_Kinetic_Model?f_ri=39752"},{"id":989646,"name":"Aqueous Solution","url":"https://www.academia.edu/Documents/in/Aqueous_Solution?f_ri=39752"},{"id":1004968,"name":"Semiconducting Aluminum Compounds","url":"https://www.academia.edu/Documents/in/Semiconducting_Aluminum_Compounds?f_ri=39752"},{"id":1120502,"name":"Experimental Data","url":"https://www.academia.edu/Documents/in/Experimental_Data?f_ri=39752"},{"id":1137254,"name":"Hydrogen-Ion Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=39752"},{"id":1436040,"name":"Potassium Compounds","url":"https://www.academia.edu/Documents/in/Potassium_Compounds?f_ri=39752"},{"id":1453161,"name":"Langmuir Isotherm","url":"https://www.academia.edu/Documents/in/Langmuir_Isotherm?f_ri=39752"},{"id":1663770,"name":"Sulfates","url":"https://www.academia.edu/Documents/in/Sulfates?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_3529138" data-work_id="3529138" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/3529138/Simultaneous_production_of_laccase_and_decolouration_of_the_diazo_dye_Reactive_Black_5_in_a_fixed_bed_bioreactor">Simultaneous production of laccase and decolouration of the diazo dye Reactive Black 5 in a fixed-bed bioreactor</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In this paper the production of laccase and the decolouration of the recalcitrant diazo dye Reactive Black 5 (RB5) by the white-rot fungus Trametes pubescens immobilised on stainless steel sponges in a fixed-bed reactor were studied.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_3529138" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In this paper the production of laccase and the decolouration of the recalcitrant diazo dye Reactive Black 5 (RB5) by the white-rot fungus Trametes pubescens immobilised on stainless steel sponges in a fixed-bed reactor were studied. Laccase production was increased by 10-fold in the presence of RB5 and reached a maximum value of 1025 U/l. Enhanced laccase production in the presence of RB5 in this fungus is an added advantage during biodegradation of RB5-containing effluents. The decolouration of RB5 was due to two processes: dye adsorption onto the fungal mycelium and dye degradation by the laccase enzymes produced by the fungus. RB5 decolouration was performed during four successive batches obtaining high decolouration percentages (74%, 43% and 52% in 24 h for the first, third and four batch, respectively) without addition of redox mediators. Also, the in vitro decolouration of RB5 by the concentrated culture extract, containing mainly laccase, produced in the above bioreactor was studied. The decolouration percentages obtained were considerably lower (around 20% in 24 h) than that attained with the whole culture.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/3529138" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="95674953f2f108160212db7427dc008a" rel="nofollow" data-download="{"attachment_id":50245327,"asset_id":3529138,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/50245327/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="3139066" href="https://ikerbasque.academia.edu/SusanaRodriguezCouto">Susana Rodriguez-Couto</a><script data-card-contents-for-user="3139066" type="text/json">{"id":3139066,"first_name":"Susana","last_name":"Rodriguez-Couto","domain_name":"ikerbasque","page_name":"SusanaRodriguezCouto","display_name":"Susana Rodriguez-Couto","profile_url":"https://ikerbasque.academia.edu/SusanaRodriguezCouto?f_ri=39752","photo":"https://0.academia-photos.com/3139066/1031901/1289269/s65_susana.couto.jpg"}</script></span></span></li><li class="js-paper-rank-work_3529138 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3529138"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3529138, container: ".js-paper-rank-work_3529138", }); 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Laccase production was increased by 10-fold in the presence of RB5 and reached a maximum value of 1025 U/l. Enhanced laccase production in the presence of RB5 in this fungus is an added advantage during biodegradation of RB5-containing effluents. The decolouration of RB5 was due to two processes: dye adsorption onto the fungal mycelium and dye degradation by the laccase enzymes produced by the fungus. RB5 decolouration was performed during four successive batches obtaining high decolouration percentages (74%, 43% and 52% in 24 h for the first, third and four batch, respectively) without addition of redox mediators. Also, the in vitro decolouration of RB5 by the concentrated culture extract, containing mainly laccase, produced in the above bioreactor was studied. The decolouration percentages obtained were considerably lower (around 20% in 24 h) than that attained with the whole culture.","downloadable_attachments":[{"id":50245327,"asset_id":3529138,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":3139066,"first_name":"Susana","last_name":"Rodriguez-Couto","domain_name":"ikerbasque","page_name":"SusanaRodriguezCouto","display_name":"Susana Rodriguez-Couto","profile_url":"https://ikerbasque.academia.edu/SusanaRodriguezCouto?f_ri=39752","photo":"https://0.academia-photos.com/3139066/1031901/1289269/s65_susana.couto.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":3442,"name":"Production","url":"https://www.academia.edu/Documents/in/Production?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":49088,"name":"Biodegradation","url":"https://www.academia.edu/Documents/in/Biodegradation?f_ri=39752","nofollow":true},{"id":58370,"name":"Bioreactor","url":"https://www.academia.edu/Documents/in/Bioreactor?f_ri=39752"},{"id":59370,"name":"In Vitro","url":"https://www.academia.edu/Documents/in/In_Vitro?f_ri=39752"},{"id":128789,"name":"Stainless Steel","url":"https://www.academia.edu/Documents/in/Stainless_Steel?f_ri=39752"},{"id":149625,"name":"Hazardous Materials","url":"https://www.academia.edu/Documents/in/Hazardous_Materials?f_ri=39752"},{"id":203963,"name":"Laccase","url":"https://www.academia.edu/Documents/in/Laccase?f_ri=39752"},{"id":231661,"name":"Enzyme","url":"https://www.academia.edu/Documents/in/Enzyme?f_ri=39752"},{"id":501201,"name":"Bioreactors","url":"https://www.academia.edu/Documents/in/Bioreactors?f_ri=39752"},{"id":789968,"name":"Extract","url":"https://www.academia.edu/Documents/in/Extract?f_ri=39752"},{"id":1508744,"name":"Naphthalenesulfonates","url":"https://www.academia.edu/Documents/in/Naphthalenesulfonates?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_28986270" data-work_id="28986270" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/28986270/Adsorption_of_lignocelluloses_of_model_pre_hydrolysis_liquor_on_activated_carbon">Adsorption of lignocelluloses of model pre-hydrolysis liquor on activated carbon</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">h i g h l i g h t s " Pre-hydrolysis liquor was prepared using commercial sugars, lignin and furfural. " Furfural and xylose had the highest and lowest adsorption levels on AC. " Experimental results were most fitted into Langmuir and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_28986270" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">h i g h l i g h t s " Pre-hydrolysis liquor was prepared using commercial sugars, lignin and furfural. " Furfural and xylose had the highest and lowest adsorption levels on AC. " Experimental results were most fitted into Langmuir and pseudo-second order models. " Addition of PDADMAC to pre-hydrolysis liquor increased the adsorption on AC.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/28986270" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ae99e03ffb01944d52028f6dd12d7240" rel="nofollow" data-download="{"attachment_id":49431360,"asset_id":28986270,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" 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commercial sugars, lignin and furfural. \" Furfural and xylose had the highest and lowest adsorption levels on AC. \" Experimental results were most fitted into Langmuir and pseudo-second order models. \" Addition of PDADMAC to pre-hydrolysis liquor increased the adsorption on AC.","downloadable_attachments":[{"id":49431360,"asset_id":28986270,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":7775350,"first_name":"Pedram","last_name":"Fatehi","domain_name":"lakeheadu","page_name":"PedramFatehi","display_name":"Pedram Fatehi","profile_url":"https://lakeheadu.academia.edu/PedramFatehi?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":39753,"name":"Activated Carbon","url":"https://www.academia.edu/Documents/in/Activated_Carbon?f_ri=39752","nofollow":true},{"id":83091,"name":"Charcoal","url":"https://www.academia.edu/Documents/in/Charcoal?f_ri=39752","nofollow":true},{"id":173023,"name":"Lignin","url":"https://www.academia.edu/Documents/in/Lignin?f_ri=39752"},{"id":592052,"name":"Xylans","url":"https://www.academia.edu/Documents/in/Xylans?f_ri=39752"},{"id":1030794,"name":"Hydrolysis","url":"https://www.academia.edu/Documents/in/Hydrolysis?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_7054553" data-work_id="7054553" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/7054553/Reversibility_and_irreversibility_of_adsorption_of_surfactants_and_proteins_at_liquid_interfaces">Reversibility and irreversibility of adsorption of surfactants and proteins at liquid interfaces</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">It is shown experimentally that the desorption of sodium decyl sulphate from the liquid/air interface is purely diffusion controlled, while the desorption of higher surface active surfactants such as the non-ionic surfactants Triton X-100... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7054553" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">It is shown experimentally that the desorption of sodium decyl sulphate from the liquid/air interface is purely diffusion controlled, while the desorption of higher surface active surfactants such as the non-ionic surfactants Triton X-100 and tridecyl dimethyl phosphine oxide obeys a mixed mechanism. The desorption kinetics of β-lactoglobulin (BLG) and β-casein is, however, determined by a barrier mechanism. From the analysis of the BLG and β-casein desorption kinetics at different temperatures the activation energy of desorption is calculated. The values obtained are rather close to the free energy of adsorption. The theoretical model of desorption kinetics predicts that these two energetic parameters are similar if the adsorption activation energy is low. This explains why substances with a higher adsorption activity have a lower desorption rate. Adsorption kinetics studies for β-casein with and without forced convection show the same equilibrium surface tension values. This leads to the conclusion that the protein adsorption at liquid interfaces is thermodynamically reversible, although the slow desorption kinetics would allow to assume it to be an irreversible process.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/7054553" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="07ff68a3e916e66d0ad6b8779659b70b" rel="nofollow" data-download="{"attachment_id":48617300,"asset_id":7054553,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/48617300/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12060755" href="https://independent.academia.edu/HeribertWatzke">Heribert Watzke</a><script data-card-contents-for-user="12060755" type="text/json">{"id":12060755,"first_name":"Heribert","last_name":"Watzke","domain_name":"independent","page_name":"HeribertWatzke","display_name":"Heribert Watzke","profile_url":"https://independent.academia.edu/HeribertWatzke?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_7054553 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7054553"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7054553, container: ".js-paper-rank-work_7054553", }); });</script></li><li class="js-percentile-work_7054553 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7054553; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_7054553"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_7054553 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="7054553"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7054553; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7054553]").text(description); $(".js-view-count-work_7054553").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_7054553").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="7054553"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">19</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="522" rel="nofollow" href="https://www.academia.edu/Documents/in/Thermodynamics">Thermodynamics</a>, <script data-card-contents-for-ri="522" type="text/json">{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2701" rel="nofollow" href="https://www.academia.edu/Documents/in/Protein_adsorption">Protein adsorption</a>, <script data-card-contents-for-ri="2701" type="text/json">{"id":2701,"name":"Protein adsorption","url":"https://www.academia.edu/Documents/in/Protein_adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4987" rel="nofollow" href="https://www.academia.edu/Documents/in/Kinetics">Kinetics</a><script data-card-contents-for-ri="4987" type="text/json">{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=7054553]'), work: {"id":7054553,"title":"Reversibility and irreversibility of adsorption of surfactants and proteins at liquid interfaces","created_at":"2014-05-15T01:34:08.878-07:00","url":"https://www.academia.edu/7054553/Reversibility_and_irreversibility_of_adsorption_of_surfactants_and_proteins_at_liquid_interfaces?f_ri=39752","dom_id":"work_7054553","summary":"It is shown experimentally that the desorption of sodium decyl sulphate from the liquid/air interface is purely diffusion controlled, while the desorption of higher surface active surfactants such as the non-ionic surfactants Triton X-100 and tridecyl dimethyl phosphine oxide obeys a mixed mechanism. The desorption kinetics of β-lactoglobulin (BLG) and β-casein is, however, determined by a barrier mechanism. From the analysis of the BLG and β-casein desorption kinetics at different temperatures the activation energy of desorption is calculated. The values obtained are rather close to the free energy of adsorption. The theoretical model of desorption kinetics predicts that these two energetic parameters are similar if the adsorption activation energy is low. This explains why substances with a higher adsorption activity have a lower desorption rate. Adsorption kinetics studies for β-casein with and without forced convection show the same equilibrium surface tension values. This leads to the conclusion that the protein adsorption at liquid interfaces is thermodynamically reversible, although the slow desorption kinetics would allow to assume it to be an irreversible process.","downloadable_attachments":[{"id":48617300,"asset_id":7054553,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12060755,"first_name":"Heribert","last_name":"Watzke","domain_name":"independent","page_name":"HeribertWatzke","display_name":"Heribert Watzke","profile_url":"https://independent.academia.edu/HeribertWatzke?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true},{"id":2701,"name":"Protein adsorption","url":"https://www.academia.edu/Documents/in/Protein_adsorption?f_ri=39752","nofollow":true},{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":69542,"name":"Computer Simulation","url":"https://www.academia.edu/Documents/in/Computer_Simulation?f_ri=39752"},{"id":147640,"name":"Activation Energy","url":"https://www.academia.edu/Documents/in/Activation_Energy?f_ri=39752"},{"id":181569,"name":"Proteins","url":"https://www.academia.edu/Documents/in/Proteins?f_ri=39752"},{"id":216526,"name":"Free Energy","url":"https://www.academia.edu/Documents/in/Free_Energy?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":379301,"name":"SURFACTANT PROTEIN A","url":"https://www.academia.edu/Documents/in/SURFACTANT_PROTEIN_A?f_ri=39752"},{"id":394521,"name":"Surface Tension","url":"https://www.academia.edu/Documents/in/Surface_Tension?f_ri=39752"},{"id":414692,"name":"Solutions","url":"https://www.academia.edu/Documents/in/Solutions?f_ri=39752"},{"id":440924,"name":"Surface Properties","url":"https://www.academia.edu/Documents/in/Surface_Properties?f_ri=39752"},{"id":564340,"name":"Surface Active Agents","url":"https://www.academia.edu/Documents/in/Surface_Active_Agents?f_ri=39752"},{"id":890685,"name":"Forced Convection","url":"https://www.academia.edu/Documents/in/Forced_Convection?f_ri=39752"},{"id":1010725,"name":"Protein Binding","url":"https://www.academia.edu/Documents/in/Protein_Binding?f_ri=39752"},{"id":1154248,"name":"Theoretical Model","url":"https://www.academia.edu/Documents/in/Theoretical_Model?f_ri=39752"},{"id":1745595,"name":"Solvents","url":"https://www.academia.edu/Documents/in/Solvents?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_10444056" data-work_id="10444056" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/10444056/Nitrate_removal_from_aqueous_solutions_by_cross_linked_chitosan_beads_conditioned_with_sodium_bisulfate">Nitrate removal from aqueous solutions by cross-linked chitosan beads conditioned with sodium bisulfate</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The investigation of adsorption of nitrate onto chitosan beads modified by cross-linking with epichlorohydrin (ECH) and surface conditioning with sodium bisulfate was performed. The results indicated that both cross-linking and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_10444056" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The investigation of adsorption of nitrate onto chitosan beads modified by cross-linking with epichlorohydrin (ECH) and surface conditioning with sodium bisulfate was performed. The results indicated that both cross-linking and conditioning increased adsorption capacity compared to normal chitosan beads. The maximum adsorption capacity was found at a cross-linking ratio of 0.4 and conditioning concentration of 0.1 mM NaHSO 4 . The maximum adsorption capacity was 104.0 mg g −1 for the conditioned cross-linked chitosan beads at pH 5, while it was 90.7 mg g −1 for normal chitosan beads. The Langmuir isotherm model fit the equilibrium data better than the Freundlich model. The mean adsorption energies obtained from the Dubinin-Radushkevich isotherm model for all adsorption systems were in the range of 9.55-9.71 kJ mol −1 , indicating that physical electrostatic force was potentially involved in the adsorption process.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/10444056" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="a3c27d4085fd31a466f0698ac198f6dd" rel="nofollow" data-download="{"attachment_id":47388355,"asset_id":10444056,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/47388355/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="25640915" href="https://independent.academia.edu/SudiptaChatterjee1">Sudipta Chatterjee</a><script data-card-contents-for-user="25640915" type="text/json">{"id":25640915,"first_name":"Sudipta","last_name":"Chatterjee","domain_name":"independent","page_name":"SudiptaChatterjee1","display_name":"Sudipta Chatterjee","profile_url":"https://independent.academia.edu/SudiptaChatterjee1?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_10444056 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="10444056"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 10444056, container: ".js-paper-rank-work_10444056", }); });</script></li><li class="js-percentile-work_10444056 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 10444056; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_10444056"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_10444056 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="10444056"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 10444056; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=10444056]").text(description); $(".js-view-count-work_10444056").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_10444056").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="10444056"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="522" rel="nofollow" href="https://www.academia.edu/Documents/in/Thermodynamics">Thermodynamics</a>, <script data-card-contents-for-ri="522" type="text/json">{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6177" rel="nofollow" href="https://www.academia.edu/Documents/in/Modeling">Modeling</a>, <script data-card-contents-for-ri="6177" type="text/json">{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6515" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_Purification">Water Purification</a><script data-card-contents-for-ri="6515" type="text/json">{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=10444056]'), work: {"id":10444056,"title":"Nitrate removal from aqueous solutions by cross-linked chitosan beads conditioned with sodium bisulfate","created_at":"2015-02-01T19:39:48.437-08:00","url":"https://www.academia.edu/10444056/Nitrate_removal_from_aqueous_solutions_by_cross_linked_chitosan_beads_conditioned_with_sodium_bisulfate?f_ri=39752","dom_id":"work_10444056","summary":"The investigation of adsorption of nitrate onto chitosan beads modified by cross-linking with epichlorohydrin (ECH) and surface conditioning with sodium bisulfate was performed. The results indicated that both cross-linking and conditioning increased adsorption capacity compared to normal chitosan beads. The maximum adsorption capacity was found at a cross-linking ratio of 0.4 and conditioning concentration of 0.1 mM NaHSO 4 . The maximum adsorption capacity was 104.0 mg g −1 for the conditioned cross-linked chitosan beads at pH 5, while it was 90.7 mg g −1 for normal chitosan beads. The Langmuir isotherm model fit the equilibrium data better than the Freundlich model. The mean adsorption energies obtained from the Dubinin-Radushkevich isotherm model for all adsorption systems were in the range of 9.55-9.71 kJ mol −1 , indicating that physical electrostatic force was potentially involved in the adsorption process.","downloadable_attachments":[{"id":47388355,"asset_id":10444056,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":25640915,"first_name":"Sudipta","last_name":"Chatterjee","domain_name":"independent","page_name":"SudiptaChatterjee1","display_name":"Sudipta Chatterjee","profile_url":"https://independent.academia.edu/SudiptaChatterjee1?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":522,"name":"Thermodynamics","url":"https://www.academia.edu/Documents/in/Thermodynamics?f_ri=39752","nofollow":true},{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=39752","nofollow":true},{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true},{"id":9130,"name":"Chitosan","url":"https://www.academia.edu/Documents/in/Chitosan?f_ri=39752"},{"id":11432,"name":"Collagen Cross-linking","url":"https://www.academia.edu/Documents/in/Collagen_Cross-linking?f_ri=39752"},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":84278,"name":"Ph","url":"https://www.academia.edu/Documents/in/Ph?f_ri=39752"},{"id":122402,"name":"Nitrates","url":"https://www.academia.edu/Documents/in/Nitrates?f_ri=39752"},{"id":149625,"name":"Hazardous Materials","url":"https://www.academia.edu/Documents/in/Hazardous_Materials?f_ri=39752"},{"id":410194,"name":"Waste Treatment","url":"https://www.academia.edu/Documents/in/Waste_Treatment?f_ri=39752"},{"id":474134,"name":"Conditioning","url":"https://www.academia.edu/Documents/in/Conditioning?f_ri=39752"},{"id":584724,"name":"Electrostatic force","url":"https://www.academia.edu/Documents/in/Electrostatic_force?f_ri=39752"},{"id":741421,"name":"Adsorption Isotherm Models","url":"https://www.academia.edu/Documents/in/Adsorption_Isotherm_Models?f_ri=39752"},{"id":989646,"name":"Aqueous Solution","url":"https://www.academia.edu/Documents/in/Aqueous_Solution?f_ri=39752"},{"id":1451660,"name":"Static Electricity","url":"https://www.academia.edu/Documents/in/Static_Electricity?f_ri=39752"},{"id":1453161,"name":"Langmuir Isotherm","url":"https://www.academia.edu/Documents/in/Langmuir_Isotherm?f_ri=39752"},{"id":1663770,"name":"Sulfates","url":"https://www.academia.edu/Documents/in/Sulfates?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25757789" data-work_id="25757789" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/25757789/Direct_Comparison_between_Visible_Near_and_Mid_Infrared_Spectroscopy_for_Describing_Diuron_Sorption_in_Soils">Direct Comparison between Visible Near- and Mid-Infrared Spectroscopy for Describing Diuron Sorption in Soils</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Both visible near-infrared (VNIR) and mid-infrared (MIR) spectroscopy have been claimed to better predict pesticide sorption in soils than other methods. We compared the performances of VNIR and MIR spectroscopy for predicting both... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25757789" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Both visible near-infrared (VNIR) and mid-infrared (MIR) spectroscopy have been claimed to better predict pesticide sorption in soils than other methods. We compared the performances of VNIR and MIR spectroscopy for predicting both organic carbon content (f OC ) and the sorption affinity (K d ) of diuron in 112 surface soils from South Australia. Separate calibration models were developed between VNIR and MIR spectra, and f OC and K d using partial least-squares (PLS) regression. MIR clearly outperformed VNIR for predictions of both f OC and K d in soils. Correlation (R 2 ) and accuracy (RPD) indices were 0.4 and 1.3 for the VNIR-PLS model versus 0.8 and 2.3 for the MIR-PLS model, respectively, for K d prediction. PLS loadings for sorption prediction were compared in terms of the soil information they contained. While VNIR loading did not include any direct spectral information regarding soil minerals, MIR loading included peaks associated with sand, clays, and carbonates. Perhaps by better predicting f OC and integrating the effects of OC as well as minerals, the MIR-PLS model provided a better prediction for diuron K d values in our calibration set.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/25757789" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="bd581fe68921ef0342dd9a6549a24700" rel="nofollow" data-download="{"attachment_id":46114028,"asset_id":25757789,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/46114028/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="49495825" href="https://independent.academia.edu/RonaldSmernik">Ronald Smernik</a><script data-card-contents-for-user="49495825" type="text/json">{"id":49495825,"first_name":"Ronald","last_name":"Smernik","domain_name":"independent","page_name":"RonaldSmernik","display_name":"Ronald Smernik","profile_url":"https://independent.academia.edu/RonaldSmernik?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_25757789 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25757789"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25757789, container: ".js-paper-rank-work_25757789", }); });</script></li><li class="js-percentile-work_25757789 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 25757789; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_25757789"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_25757789 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="25757789"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 25757789; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=25757789]").text(description); $(".js-view-count-work_25757789").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25757789").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="25757789"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">19</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1605" rel="nofollow" href="https://www.academia.edu/Documents/in/Soil">Soil</a>, <script data-card-contents-for-ri="1605" type="text/json">{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5427" rel="nofollow" href="https://www.academia.edu/Documents/in/Spectroscopy">Spectroscopy</a>, <script data-card-contents-for-ri="5427" type="text/json">{"id":5427,"name":"Spectroscopy","url":"https://www.academia.edu/Documents/in/Spectroscopy?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6177" rel="nofollow" href="https://www.academia.edu/Documents/in/Modeling">Modeling</a>, <script data-card-contents-for-ri="6177" type="text/json">{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7968" rel="nofollow" href="https://www.academia.edu/Documents/in/Prediction">Prediction</a><script data-card-contents-for-ri="7968" type="text/json">{"id":7968,"name":"Prediction","url":"https://www.academia.edu/Documents/in/Prediction?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25757789]'), work: {"id":25757789,"title":"Direct Comparison between Visible Near- and Mid-Infrared Spectroscopy for Describing Diuron Sorption in Soils","created_at":"2016-05-31T17:47:37.928-07:00","url":"https://www.academia.edu/25757789/Direct_Comparison_between_Visible_Near_and_Mid_Infrared_Spectroscopy_for_Describing_Diuron_Sorption_in_Soils?f_ri=39752","dom_id":"work_25757789","summary":"Both visible near-infrared (VNIR) and mid-infrared (MIR) spectroscopy have been claimed to better predict pesticide sorption in soils than other methods. We compared the performances of VNIR and MIR spectroscopy for predicting both organic carbon content (f OC ) and the sorption affinity (K d ) of diuron in 112 surface soils from South Australia. Separate calibration models were developed between VNIR and MIR spectra, and f OC and K d using partial least-squares (PLS) regression. MIR clearly outperformed VNIR for predictions of both f OC and K d in soils. Correlation (R 2 ) and accuracy (RPD) indices were 0.4 and 1.3 for the VNIR-PLS model versus 0.8 and 2.3 for the MIR-PLS model, respectively, for K d prediction. PLS loadings for sorption prediction were compared in terms of the soil information they contained. While VNIR loading did not include any direct spectral information regarding soil minerals, MIR loading included peaks associated with sand, clays, and carbonates. Perhaps by better predicting f OC and integrating the effects of OC as well as minerals, the MIR-PLS model provided a better prediction for diuron K d values in our calibration set.","downloadable_attachments":[{"id":46114028,"asset_id":25757789,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":49495825,"first_name":"Ronald","last_name":"Smernik","domain_name":"independent","page_name":"RonaldSmernik","display_name":"Ronald Smernik","profile_url":"https://independent.academia.edu/RonaldSmernik?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=39752","nofollow":true},{"id":5427,"name":"Spectroscopy","url":"https://www.academia.edu/Documents/in/Spectroscopy?f_ri=39752","nofollow":true},{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=39752","nofollow":true},{"id":7968,"name":"Prediction","url":"https://www.academia.edu/Documents/in/Prediction?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752"},{"id":34633,"name":"Environmental science and technology","url":"https://www.academia.edu/Documents/in/Environmental_science_and_technology?f_ri=39752"},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":47477,"name":"Soil Pollution","url":"https://www.academia.edu/Documents/in/Soil_Pollution?f_ri=39752"},{"id":65590,"name":"Pesticide","url":"https://www.academia.edu/Documents/in/Pesticide?f_ri=39752"},{"id":85437,"name":"Pesticides","url":"https://www.academia.edu/Documents/in/Pesticides?f_ri=39752"},{"id":96893,"name":"Calibration","url":"https://www.academia.edu/Documents/in/Calibration?f_ri=39752"},{"id":168701,"name":"Sorption","url":"https://www.academia.edu/Documents/in/Sorption?f_ri=39752"},{"id":249893,"name":"Mid-Infrared","url":"https://www.academia.edu/Documents/in/Mid-Infrared?f_ri=39752"},{"id":350162,"name":"SAND","url":"https://www.academia.edu/Documents/in/SAND?f_ri=39752"},{"id":392309,"name":"Diuron","url":"https://www.academia.edu/Documents/in/Diuron?f_ri=39752"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon?f_ri=39752"},{"id":615457,"name":"Analytical Methods","url":"https://www.academia.edu/Documents/in/Analytical_Methods?f_ri=39752"},{"id":727816,"name":"Soil Types","url":"https://www.academia.edu/Documents/in/Soil_Types?f_ri=39752"},{"id":1365470,"name":"Soil Pollutants","url":"https://www.academia.edu/Documents/in/Soil_Pollutants?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25442885" data-work_id="25442885" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/25442885/A_quartz_crystal_microbalance_study_of_the_adsorption_of_quaternary_ammonium_derivates_on_iron_and_cementite">A quartz crystal microbalance study of the adsorption of quaternary ammonium derivates on iron and cementite</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The adsorption of alkyl trimethyl ammonium bromide with alkyl groups from C 10 to C 16 onto solid surfaces (iron and cementite (Fe 3 C)) is investigated with and without NaCl. For the first time the adsorption of these surface active... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25442885" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The adsorption of alkyl trimethyl ammonium bromide with alkyl groups from C 10 to C 16 onto solid surfaces (iron and cementite (Fe 3 C)) is investigated with and without NaCl. For the first time the adsorption of these surface active compounds onto model carbon steel compounds are measured directly by the use of a quartz crystal microbalance (QCM). The adsorption increases steeply around the critical micelle concentration (cmc) in bulk which was also determined for the homologous series. The adsorption of the higher homologues shows rather rigid surface structures while a detailed interpretation of the isotherms for the lowest homologues is disturbed by high bulk viscosities. Based on the obtained results, and in comparison with similar adsorbents on hydrophilic oxide surfaces, it is concluded that the surfactant is adsorbed patchwise in similar structures as in bulk. Finally, the possibilities for close-packing of the surfactant film are discussed.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/25442885" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="fce9edc4211919035208263b4422d3b3" rel="nofollow" data-download="{"attachment_id":45759837,"asset_id":25442885,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/45759837/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="48937983" href="https://independent.academia.edu/JohanSj%C3%B6blom">Johan Sjöblom</a><script data-card-contents-for-user="48937983" type="text/json">{"id":48937983,"first_name":"Johan","last_name":"Sjöblom","domain_name":"independent","page_name":"JohanSjöblom","display_name":"Johan Sjöblom","profile_url":"https://independent.academia.edu/JohanSj%C3%B6blom?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_25442885 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25442885"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25442885, container: ".js-paper-rank-work_25442885", }); });</script></li><li class="js-percentile-work_25442885 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 25442885; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_25442885"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_25442885 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="25442885"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 25442885; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=25442885]").text(description); $(".js-view-count-work_25442885").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25442885").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="25442885"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">10</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a>, <script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="118582" rel="nofollow" href="https://www.academia.edu/Documents/in/Physical_sciences">Physical sciences</a>, <script data-card-contents-for-ri="118582" type="text/json">{"id":118582,"name":"Physical sciences","url":"https://www.academia.edu/Documents/in/Physical_sciences?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="158597" rel="nofollow" href="https://www.academia.edu/Documents/in/Iron">Iron</a><script data-card-contents-for-ri="158597" type="text/json">{"id":158597,"name":"Iron","url":"https://www.academia.edu/Documents/in/Iron?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25442885]'), work: {"id":25442885,"title":"A quartz crystal microbalance study of the adsorption of quaternary ammonium derivates on iron and cementite","created_at":"2016-05-18T19:41:12.488-07:00","url":"https://www.academia.edu/25442885/A_quartz_crystal_microbalance_study_of_the_adsorption_of_quaternary_ammonium_derivates_on_iron_and_cementite?f_ri=39752","dom_id":"work_25442885","summary":"The adsorption of alkyl trimethyl ammonium bromide with alkyl groups from C 10 to C 16 onto solid surfaces (iron and cementite (Fe 3 C)) is investigated with and without NaCl. For the first time the adsorption of these surface active compounds onto model carbon steel compounds are measured directly by the use of a quartz crystal microbalance (QCM). The adsorption increases steeply around the critical micelle concentration (cmc) in bulk which was also determined for the homologous series. The adsorption of the higher homologues shows rather rigid surface structures while a detailed interpretation of the isotherms for the lowest homologues is disturbed by high bulk viscosities. Based on the obtained results, and in comparison with similar adsorbents on hydrophilic oxide surfaces, it is concluded that the surfactant is adsorbed patchwise in similar structures as in bulk. Finally, the possibilities for close-packing of the surfactant film are discussed.","downloadable_attachments":[{"id":45759837,"asset_id":25442885,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":48937983,"first_name":"Johan","last_name":"Sjöblom","domain_name":"independent","page_name":"JohanSjöblom","display_name":"Johan Sjöblom","profile_url":"https://independent.academia.edu/JohanSj%C3%B6blom?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":118582,"name":"Physical sciences","url":"https://www.academia.edu/Documents/in/Physical_sciences?f_ri=39752","nofollow":true},{"id":158597,"name":"Iron","url":"https://www.academia.edu/Documents/in/Iron?f_ri=39752","nofollow":true},{"id":169579,"name":"Quartz crystal microbalance","url":"https://www.academia.edu/Documents/in/Quartz_crystal_microbalance?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":319122,"name":"Surface Structure","url":"https://www.academia.edu/Documents/in/Surface_Structure?f_ri=39752"},{"id":955937,"name":"Quaternary Ammonium Compounds","url":"https://www.academia.edu/Documents/in/Quaternary_Ammonium_Compounds?f_ri=39752"},{"id":1247173,"name":"Carbon Steel","url":"https://www.academia.edu/Documents/in/Carbon_Steel?f_ri=39752"},{"id":1451620,"name":"Critical Micelle Concentration","url":"https://www.academia.edu/Documents/in/Critical_Micelle_Concentration?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_24345536" data-work_id="24345536" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/24345536/Adsorption_of_Lead_from_Industrial_Effluents_using_Rice_Husk">Adsorption of Lead from Industrial Effluents using Rice Husk</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Rice husk a very low cost material has been utilized as adsorbent for the removal of lead from industrial effluents. Adsorption studies have been carried out at 28°C and the effect of initial lead concentrations (100-1000) mg/l, adsorbent... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_24345536" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Rice husk a very low cost material has been utilized as adsorbent for the removal of lead from industrial effluents. Adsorption studies have been carried out at 28°C and the effect of initial lead concentrations (100-1000) mg/l, adsorbent dosage (0.05-1) g, pH (2-10) and contact time (10-180) min on lead uptake to establish a mathematical model description percentage removal of Pb (II). The influence of four parameters on the percentage removal of Pb(II) was examined using a response surface methodological approach. Box-Wilson design of experiments was adopted to find a useful relationship between these parameters and the removal efficiency. The experiment data collected by this method successfully fitted to a second order polynomial mathematical model. The optimum operating conditions of initial Pb (II) concentrations, adsorbent dose, pH and contact time were 325 mg/l, 0.7625 g, 4 and 137 min, respectively with high value of correlation coefficients (R= 0.9877). At these conditions, the maximum percentage removal of Pb(II) was 95.55% and lead uptake was 102.97 mg/g.The experimental data were analyzed using Langmuir and Freundlich isotherm models were applied in the adsorption studies. Langmuir model is found very well represent the equilibrium data with correlation factor is close to unity than the Freundlich model.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/24345536" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="07bf907ff3b2de67e72ecebe2fab2ff6" rel="nofollow" data-download="{"attachment_id":44679645,"asset_id":24345536,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/44679645/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="41707166" href="https://uoalmuthana.academia.edu/IhsanHabib">Ihsan Habib Dakhil</a><script data-card-contents-for-user="41707166" type="text/json">{"id":41707166,"first_name":"Ihsan","last_name":"Habib Dakhil","domain_name":"uoalmuthana","page_name":"IhsanHabib","display_name":"Ihsan Habib Dakhil","profile_url":"https://uoalmuthana.academia.edu/IhsanHabib?f_ri=39752","photo":"https://0.academia-photos.com/41707166/11288567/13771735/s65_ihsan.habib.jpg"}</script></span></span></li><li class="js-paper-rank-work_24345536 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="24345536"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 24345536, container: ".js-paper-rank-work_24345536", }); });</script></li><li class="js-percentile-work_24345536 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 24345536; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_24345536"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_24345536 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="24345536"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 24345536; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=24345536]").text(description); $(".js-view-count-work_24345536").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_24345536").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="24345536"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i></div><span class="InlineList-item-text u-textTruncate u-pl6x"><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a><script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (false) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=24345536]'), work: {"id":24345536,"title":"Adsorption of Lead from Industrial Effluents using Rice Husk","created_at":"2016-04-12T20:09:19.772-07:00","url":"https://www.academia.edu/24345536/Adsorption_of_Lead_from_Industrial_Effluents_using_Rice_Husk?f_ri=39752","dom_id":"work_24345536","summary":"Rice husk a very low cost material has been utilized as adsorbent for the removal of lead from industrial effluents. Adsorption studies have been carried out at 28°C and the effect of initial lead concentrations (100-1000) mg/l, adsorbent dosage (0.05-1) g, pH (2-10) and contact time (10-180) min on lead uptake to establish a mathematical model description percentage removal of Pb (II). The influence of four parameters on the percentage removal of Pb(II) was examined using a response surface methodological approach. Box-Wilson design of experiments was adopted to find a useful relationship between these parameters and the removal efficiency. The experiment data collected by this method successfully fitted to a second order polynomial mathematical model. The optimum operating conditions of initial Pb (II) concentrations, adsorbent dose, pH and contact time were 325 mg/l, 0.7625 g, 4 and 137 min, respectively with high value of correlation coefficients (R= 0.9877). At these conditions, the maximum percentage removal of Pb(II) was 95.55% and lead uptake was 102.97 mg/g.The experimental data were analyzed using Langmuir and Freundlich isotherm models were applied in the adsorption studies. Langmuir model is found very well represent the equilibrium data with correlation factor is close to unity than the Freundlich model.","downloadable_attachments":[{"id":44679645,"asset_id":24345536,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":41707166,"first_name":"Ihsan","last_name":"Habib Dakhil","domain_name":"uoalmuthana","page_name":"IhsanHabib","display_name":"Ihsan Habib Dakhil","profile_url":"https://uoalmuthana.academia.edu/IhsanHabib?f_ri=39752","photo":"https://0.academia-photos.com/41707166/11288567/13771735/s65_ihsan.habib.jpg"}],"research_interests":[{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_23210147" data-work_id="23210147" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/23210147/Arsenic_removal_from_water_using_natural_iron_mineral_quartz_sand_columns">Arsenic removal from water using natural iron mineral–quartz sand columns</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The study has investigated the feasibility of using siderite-coated quartz sand and/or hematite-coated quartz sand columns for removing As from water. Arsenic-spiked tap water and synthetic As solution with As concentrations from 200 to... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_23210147" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The study has investigated the feasibility of using siderite-coated quartz sand and/or hematite-coated quartz sand columns for removing As from water. Arsenic-spiked tap water and synthetic As solution with As concentrations from 200 to 500 μg/L were used for the experiments. Since three coating methods employed to prepare siderite-coated quartz sand and hematite-coated quartz sand had no significant impact on As adsorption in batch tests, the column fillings were produced by means of the simplest one involving mechanically mixing the Fe mineral with quartz sand. Fixed bed tests show that the combination of siderite-coated quartz sand and hematite-coated quartz sand greatly promoted the column performance in removing As and the presence of As(III) in the influent improved the removal efficiency of the column. The relatively low capacity in treating As-spiked tap water arose from the suppression of FeCO 3 dissolution in the presence of high HCO 3 − concentration (333 mg/L), which consequently limited the formation of fresh Fe(III) oxides. However, the H 2 O 2 -conditioning greatly increased As adsorption capacity of the column for remediating As-spiked tap water. The Toxicity Characteristic Leaching Procedure (TCLP) test shows that the spent adsorbents were not hazardous and could be safely disposed of to landfill.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/23210147" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d66b2616cd129d80b814baf0073f93f7" rel="nofollow" data-download="{"attachment_id":43699266,"asset_id":23210147,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43699266/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34020924" href="https://cugb.academia.edu/HuamingGuo">Huaming Guo</a><script data-card-contents-for-user="34020924" type="text/json">{"id":34020924,"first_name":"Huaming","last_name":"Guo","domain_name":"cugb","page_name":"HuamingGuo","display_name":"Huaming Guo","profile_url":"https://cugb.academia.edu/HuamingGuo?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_23210147 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="23210147"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 23210147, container: ".js-paper-rank-work_23210147", }); });</script></li><li class="js-percentile-work_23210147 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 23210147; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_23210147"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_23210147 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="23210147"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 23210147; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=23210147]").text(description); $(".js-view-count-work_23210147").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_23210147").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="23210147"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">15</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="6227" rel="nofollow" href="https://www.academia.edu/Documents/in/Arsenic">Arsenic</a>, <script data-card-contents-for-ri="6227" type="text/json">{"id":6227,"name":"Arsenic","url":"https://www.academia.edu/Documents/in/Arsenic?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6515" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_Purification">Water Purification</a>, <script data-card-contents-for-ri="6515" type="text/json">{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a>, <script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="39752" rel="nofollow" href="https://www.academia.edu/Documents/in/Adsorption">Adsorption</a><script data-card-contents-for-ri="39752" type="text/json">{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=23210147]'), work: {"id":23210147,"title":"Arsenic removal from water using natural iron mineral–quartz sand columns","created_at":"2016-03-13T19:27:34.228-07:00","url":"https://www.academia.edu/23210147/Arsenic_removal_from_water_using_natural_iron_mineral_quartz_sand_columns?f_ri=39752","dom_id":"work_23210147","summary":"The study has investigated the feasibility of using siderite-coated quartz sand and/or hematite-coated quartz sand columns for removing As from water. Arsenic-spiked tap water and synthetic As solution with As concentrations from 200 to 500 μg/L were used for the experiments. Since three coating methods employed to prepare siderite-coated quartz sand and hematite-coated quartz sand had no significant impact on As adsorption in batch tests, the column fillings were produced by means of the simplest one involving mechanically mixing the Fe mineral with quartz sand. Fixed bed tests show that the combination of siderite-coated quartz sand and hematite-coated quartz sand greatly promoted the column performance in removing As and the presence of As(III) in the influent improved the removal efficiency of the column. The relatively low capacity in treating As-spiked tap water arose from the suppression of FeCO 3 dissolution in the presence of high HCO 3 − concentration (333 mg/L), which consequently limited the formation of fresh Fe(III) oxides. However, the H 2 O 2 -conditioning greatly increased As adsorption capacity of the column for remediating As-spiked tap water. The Toxicity Characteristic Leaching Procedure (TCLP) test shows that the spent adsorbents were not hazardous and could be safely disposed of to landfill.","downloadable_attachments":[{"id":43699266,"asset_id":23210147,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34020924,"first_name":"Huaming","last_name":"Guo","domain_name":"cugb","page_name":"HuamingGuo","display_name":"Huaming Guo","profile_url":"https://cugb.academia.edu/HuamingGuo?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":6227,"name":"Arsenic","url":"https://www.academia.edu/Documents/in/Arsenic?f_ri=39752","nofollow":true},{"id":6515,"name":"Water Purification","url":"https://www.academia.edu/Documents/in/Water_Purification?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":54440,"name":"Carbonates","url":"https://www.academia.edu/Documents/in/Carbonates?f_ri=39752"},{"id":64055,"name":"Water Supply","url":"https://www.academia.edu/Documents/in/Water_Supply?f_ri=39752"},{"id":69788,"name":"Drinking Water Treatment","url":"https://www.academia.edu/Documents/in/Drinking_Water_Treatment?f_ri=39752"},{"id":74607,"name":"Quartz","url":"https://www.academia.edu/Documents/in/Quartz?f_ri=39752"},{"id":113556,"name":"Ground Water","url":"https://www.academia.edu/Documents/in/Ground_Water?f_ri=39752"},{"id":158597,"name":"Iron","url":"https://www.academia.edu/Documents/in/Iron?f_ri=39752"},{"id":251652,"name":"Water Use","url":"https://www.academia.edu/Documents/in/Water_Use?f_ri=39752"},{"id":390245,"name":"Particle Size","url":"https://www.academia.edu/Documents/in/Particle_Size?f_ri=39752"},{"id":709300,"name":"Trace element","url":"https://www.academia.edu/Documents/in/Trace_element?f_ri=39752"},{"id":1257960,"name":"Ferric Compounds","url":"https://www.academia.edu/Documents/in/Ferric_Compounds?f_ri=39752"},{"id":1436040,"name":"Potassium Compounds","url":"https://www.academia.edu/Documents/in/Potassium_Compounds?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_15240556" data-work_id="15240556" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/15240556/Surface_molecular_imprints_of_WGA_lectin_as_artificial_receptors_for_mass_sensitive_binding_studies">Surface molecular imprints of WGA lectin as artificial receptors for mass-sensitive binding studies</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Wheat germ agglutinin (WGA) lectin is a model compound for the interaction between viruses and cells during infection events and thus an interesting analyte for mass-sensitive sensing to study these interaction phenomena. Scanning... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15240556" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Wheat germ agglutinin (WGA) lectin is a model compound for the interaction between viruses and cells during infection events and thus an interesting analyte for mass-sensitive sensing to study these interaction phenomena. Scanning tunneling microscopy studies reveal that surface molecular imprinting leads to cavities having the dimensions of WGA dimers. These reincorporate WGA from phosphatebuffered saline between 1 and 160 μg/ml. Whereas the quartz crystal microbalance (QCM) frequency for molecularly imprinted polymer (MIP)-coated electrodes decreases, indicating uptake of the analyte, their nonimprinted counterparts yield positive, concentration-dependent frequency shifts characteristic for slip of the analyte on the QCM surface. The MIPs achieve selectivity factors towards bovine serum albumin of roughly 4 at higher protein concentrations. Brunauer-Emmett-Teller analysis reveals that binding is favored by 29 kJ/mol until the adsorption of up to ten monolayers on the MIP, whereas above this range the value is lower. Together with the binding behavior of MIP and nonimprinted polymers, this indicates that the MIP acts as a nucleus for multilayer deposition onto the surface.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/15240556" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="5e6a17c2f322a473b13f550472808f5d" rel="nofollow" data-download="{"attachment_id":43407258,"asset_id":15240556,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43407258/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34307582" href="https://independent.academia.edu/KiattaweeChoowongkomon">Kiattawee Choowongkomon</a><script data-card-contents-for-user="34307582" type="text/json">{"id":34307582,"first_name":"Kiattawee","last_name":"Choowongkomon","domain_name":"independent","page_name":"KiattaweeChoowongkomon","display_name":"Kiattawee Choowongkomon","profile_url":"https://independent.academia.edu/KiattaweeChoowongkomon?f_ri=39752","photo":"https://0.academia-photos.com/34307582/10051610/11212725/s65_kiattawee.choowongkomon.jpg"}</script></span></span></li><li class="js-paper-rank-work_15240556 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="15240556"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 15240556, container: ".js-paper-rank-work_15240556", }); 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Scanning tunneling microscopy studies reveal that surface molecular imprinting leads to cavities having the dimensions of WGA dimers. These reincorporate WGA from phosphatebuffered saline between 1 and 160 μg/ml. Whereas the quartz crystal microbalance (QCM) frequency for molecularly imprinted polymer (MIP)-coated electrodes decreases, indicating uptake of the analyte, their nonimprinted counterparts yield positive, concentration-dependent frequency shifts characteristic for slip of the analyte on the QCM surface. The MIPs achieve selectivity factors towards bovine serum albumin of roughly 4 at higher protein concentrations. Brunauer-Emmett-Teller analysis reveals that binding is favored by 29 kJ/mol until the adsorption of up to ten monolayers on the MIP, whereas above this range the value is lower. Together with the binding behavior of MIP and nonimprinted polymers, this indicates that the MIP acts as a nucleus for multilayer deposition onto the surface.","downloadable_attachments":[{"id":43407258,"asset_id":15240556,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34307582,"first_name":"Kiattawee","last_name":"Choowongkomon","domain_name":"independent","page_name":"KiattaweeChoowongkomon","display_name":"Kiattawee Choowongkomon","profile_url":"https://independent.academia.edu/KiattaweeChoowongkomon?f_ri=39752","photo":"https://0.academia-photos.com/34307582/10051610/11212725/s65_kiattawee.choowongkomon.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":15625,"name":"Molecular Imprinting","url":"https://www.academia.edu/Documents/in/Molecular_Imprinting?f_ri=39752","nofollow":true},{"id":21466,"name":"Polymers","url":"https://www.academia.edu/Documents/in/Polymers?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=39752"},{"id":48127,"name":"Concentration","url":"https://www.academia.edu/Documents/in/Concentration?f_ri=39752"},{"id":50105,"name":"Scanning tunneling microscopy","url":"https://www.academia.edu/Documents/in/Scanning_tunneling_microscopy?f_ri=39752"},{"id":71671,"name":"wheat germ agglutinin (WGA)","url":"https://www.academia.edu/Documents/in/wheat_germ_agglutinin_WGA_?f_ri=39752"},{"id":116579,"name":"Lead","url":"https://www.academia.edu/Documents/in/Lead?f_ri=39752"},{"id":129121,"name":"Yield","url":"https://www.academia.edu/Documents/in/Yield?f_ri=39752"},{"id":132569,"name":"Analytical","url":"https://www.academia.edu/Documents/in/Analytical?f_ri=39752"},{"id":134201,"name":"Deposition","url":"https://www.academia.edu/Documents/in/Deposition?f_ri=39752"},{"id":144046,"name":"Frequency","url":"https://www.academia.edu/Documents/in/Frequency?f_ri=39752"},{"id":169579,"name":"Quartz crystal microbalance","url":"https://www.academia.edu/Documents/in/Quartz_crystal_microbalance?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":260829,"name":"Cattle","url":"https://www.academia.edu/Documents/in/Cattle?f_ri=39752"},{"id":440924,"name":"Surface Properties","url":"https://www.academia.edu/Documents/in/Surface_Properties?f_ri=39752"},{"id":621932,"name":"Analytical and Bioanalytical Chemistry","url":"https://www.academia.edu/Documents/in/Analytical_and_Bioanalytical_Chemistry?f_ri=39752"},{"id":881608,"name":"Bovine Serum Albumin","url":"https://www.academia.edu/Documents/in/Bovine_Serum_Albumin?f_ri=39752"},{"id":974188,"name":"Monolayer","url":"https://www.academia.edu/Documents/in/Monolayer?f_ri=39752"},{"id":1232372,"name":"Nucleus","url":"https://www.academia.edu/Documents/in/Nucleus?f_ri=39752"},{"id":1724844,"name":"Molecular Structure","url":"https://www.academia.edu/Documents/in/Molecular_Structure?f_ri=39752"},{"id":1868097,"name":"Selectivity","url":"https://www.academia.edu/Documents/in/Selectivity?f_ri=39752"},{"id":2349258,"name":"Serum albumin","url":"https://www.academia.edu/Documents/in/Serum_albumin?f_ri=39752"},{"id":2418353,"name":"Phosphate Buffer Saline","url":"https://www.academia.edu/Documents/in/Phosphate_Buffer_Saline?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_16653925" data-work_id="16653925" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/16653925/Influence_of_surfactant_entrapment_to_dried_alginate_beads_on_sorption_and_removal_of_Cu2_ions">Influence of surfactant entrapment to dried alginate beads on sorption and removal of Cu2+ ions</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The removal of heavy metals has been investigated widely in recent years due to their potential health risk to human beings. In this study, the removals of copper from aqueous phase by alginate and SDBS entrapped alginate was... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_16653925" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The removal of heavy metals has been investigated widely in recent years due to their potential health risk to human beings. In this study, the removals of copper from aqueous phase by alginate and SDBS entrapped alginate was investigated. First, a series of equilibrium sorption experiments were conducted at different initial pH values. Both equilibrium copper concentration and final pH values were observed. Then, a series of kinetic experiments were conducted and a second order rate relationship was fit to the experimental data. Equilibrium sorption experiments showed that the sorption of Cu +2 ions by 2% of SDBS entrapped alginate beads were greater than the plain and 0.5% of SDBS entrapped alginate beads. More H + ion exchange occurred with the 2% of SDBS entrapped alginate beads, which was attributed to the increased number of the exchange sites on the alginate due to the sorption of surfactant to the beads. Kinetic sorption experiments showed that the equilibrium was reached faster for 2% of SDBS entrapped alginate beads. Results were successfully represented using second order kinetic model. Both equilibrium and kinetic experiments showed that the sorption of Cu +2 ions increased as the pH of the aqueous solution increased.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/16653925" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ccd49f9874eee288cfa63c740920470d" rel="nofollow" data-download="{"attachment_id":42421047,"asset_id":16653925,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42421047/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="36011657" href="https://independent.academia.edu/B%C3%BClentKeskinler">Bülent Keskinler</a><script data-card-contents-for-user="36011657" type="text/json">{"id":36011657,"first_name":"Bülent","last_name":"Keskinler","domain_name":"independent","page_name":"BülentKeskinler","display_name":"Bülent Keskinler","profile_url":"https://independent.academia.edu/B%C3%BClentKeskinler?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_16653925 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="16653925"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 16653925, container: ".js-paper-rank-work_16653925", }); 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In this study, the removals of copper from aqueous phase by alginate and SDBS entrapped alginate was investigated. First, a series of equilibrium sorption experiments were conducted at different initial pH values. Both equilibrium copper concentration and final pH values were observed. Then, a series of kinetic experiments were conducted and a second order rate relationship was fit to the experimental data. Equilibrium sorption experiments showed that the sorption of Cu +2 ions by 2% of SDBS entrapped alginate beads were greater than the plain and 0.5% of SDBS entrapped alginate beads. More H + ion exchange occurred with the 2% of SDBS entrapped alginate beads, which was attributed to the increased number of the exchange sites on the alginate due to the sorption of surfactant to the beads. Kinetic sorption experiments showed that the equilibrium was reached faster for 2% of SDBS entrapped alginate beads. Results were successfully represented using second order kinetic model. Both equilibrium and kinetic experiments showed that the sorption of Cu +2 ions increased as the pH of the aqueous solution increased.","downloadable_attachments":[{"id":42421047,"asset_id":16653925,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":36011657,"first_name":"Bülent","last_name":"Keskinler","domain_name":"independent","page_name":"BülentKeskinler","display_name":"Bülent Keskinler","profile_url":"https://independent.academia.edu/B%C3%BClentKeskinler?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":4987,"name":"Kinetics","url":"https://www.academia.edu/Documents/in/Kinetics?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":80692,"name":"Copper","url":"https://www.academia.edu/Documents/in/Copper?f_ri=39752","nofollow":true},{"id":111050,"name":"Heavy Metal","url":"https://www.academia.edu/Documents/in/Heavy_Metal?f_ri=39752"},{"id":149625,"name":"Hazardous Materials","url":"https://www.academia.edu/Documents/in/Hazardous_Materials?f_ri=39752"},{"id":347272,"name":"Second Order","url":"https://www.academia.edu/Documents/in/Second_Order?f_ri=39752"},{"id":387484,"name":"Alginates","url":"https://www.academia.edu/Documents/in/Alginates?f_ri=39752"},{"id":414692,"name":"Solutions","url":"https://www.academia.edu/Documents/in/Solutions?f_ri=39752"},{"id":563149,"name":"Health risk","url":"https://www.academia.edu/Documents/in/Health_risk?f_ri=39752"},{"id":564340,"name":"Surface Active Agents","url":"https://www.academia.edu/Documents/in/Surface_Active_Agents?f_ri=39752"},{"id":743556,"name":"Ion Exchange","url":"https://www.academia.edu/Documents/in/Ion_Exchange?f_ri=39752"},{"id":835697,"name":"Lumping Kinetic Model","url":"https://www.academia.edu/Documents/in/Lumping_Kinetic_Model?f_ri=39752"},{"id":989646,"name":"Aqueous Solution","url":"https://www.academia.edu/Documents/in/Aqueous_Solution?f_ri=39752"},{"id":1120502,"name":"Experimental 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Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=39752"},{"id":1371326,"name":"Magnetite Nanoparticles","url":"https://www.academia.edu/Documents/in/Magnetite_Nanoparticles?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_20918521" data-work_id="20918521" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/20918521/Removal_of_basic_dyes_from_aqueous_solutions_with_sulfonated_phenol_formaldehyde_resin">Removal of basic dyes from aqueous solutions with sulfonated phenol–formaldehyde resin</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In this study, we aimed to investigate the removal of basic dyes, including Safranin T (ST), Nile Blue A (NBA), and Brilliant Cresyl Blue (BCB), from aqueous solution with a sulfonated phenol-formaldehyde resin. This sulfonated resin was... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_20918521" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In this study, we aimed to investigate the removal of basic dyes, including Safranin T (ST), Nile Blue A (NBA), and Brilliant Cresyl Blue (BCB), from aqueous solution with a sulfonated phenol-formaldehyde resin. This sulfonated resin was characterized by Fourier transform infrared spectroscopy and scanning electron microscopy. The adsorption properties of this resin were investigated under different adsorption conditions with different initial dye concentrations, contact times, and pH values. The adsorption equilibrium data were ana-lyzed with Langmuir and Freundlich models. The adsorption behaviors of ST, NBA, and BCB onto the sulfonated resol-type phenol-formaldehyde resin were better described by the Freundlich model. The adsorption capacities of the sulfonated resol resin for ST, NBA, and BCB decreased in the following order: NBA > BCB > ST.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/20918521" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="170caf927dc04dd71b4df6f2e1665416" rel="nofollow" data-download="{"attachment_id":41628253,"asset_id":20918521,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/41628253/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="33003894" href="https://ufsc.academia.edu/SeleneGuelliSouza">Selene Guelli Souza</a><script data-card-contents-for-user="33003894" type="text/json">{"id":33003894,"first_name":"Selene","last_name":"Guelli Souza","domain_name":"ufsc","page_name":"SeleneGuelliSouza","display_name":"Selene Guelli Souza","profile_url":"https://ufsc.academia.edu/SeleneGuelliSouza?f_ri=39752","photo":"https://0.academia-photos.com/33003894/9807690/10928544/s65_selene.souza.png"}</script></span></span></li><li class="js-paper-rank-work_20918521 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="20918521"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 20918521, container: ".js-paper-rank-work_20918521", }); 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This sulfonated resin was characterized by Fourier transform infrared spectroscopy and scanning electron microscopy. The adsorption properties of this resin were investigated under different adsorption conditions with different initial dye concentrations, contact times, and pH values. The adsorption equilibrium data were ana-lyzed with Langmuir and Freundlich models. The adsorption behaviors of ST, NBA, and BCB onto the sulfonated resol-type phenol-formaldehyde resin were better described by the Freundlich model. The adsorption capacities of the sulfonated resol resin for ST, NBA, and BCB decreased in the following order: NBA \u003e BCB \u003e ST.","downloadable_attachments":[{"id":41628253,"asset_id":20918521,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":33003894,"first_name":"Selene","last_name":"Guelli Souza","domain_name":"ufsc","page_name":"SeleneGuelliSouza","display_name":"Selene Guelli Souza","profile_url":"https://ufsc.academia.edu/SeleneGuelliSouza?f_ri=39752","photo":"https://0.academia-photos.com/33003894/9807690/10928544/s65_selene.souza.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=39752","nofollow":true},{"id":39579,"name":"Colloid and Interface 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href="https://www.academia.edu/17832569/Polyethyleneimine_impregnation_on_activated_carbon_Effects_of_impregnation_amount_and_molecular_number_on_textural_characteristics_and_metal_adsorption_capacities">Polyethyleneimine impregnation on activated carbon: Effects of impregnation amount and molecular number on textural characteristics and metal adsorption capacities</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This paper presents findings on polyethyleneimine (PEI) impregnation on palm shell activated carbon (AC) with regards to effects of impregnation amount and types of PEI used on surface characteristics as well as metal ions adsorption... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17832569" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This paper presents findings on polyethyleneimine (PEI) impregnation on palm shell activated carbon (AC) with regards to effects of impregnation amount and types of PEI used on surface characteristics as well as metal ions adsorption capacities of the AC. Fundamental interactions between PEI molecules and metal ions on textural surface (micro-and mesopores) of the AC are elucidated. Three types of low molecular weight PEI distinguished by their molecular numbers, Mn (423, 600 and 1200) are used for the impregnation process. Impregnation at 8.41 wt% 423-PEI/AC provides optimum increases for nickel and copper adsorption capacities by factors of 2.6 and 1.5 respectively at 49% reduction of Brunauer-Emmett-Teller (BET) surface area as compared to virgin AC. Only 423-PEI molecules are shown to have considerably filled the micropores of AC whereas the 600-and 1200-PEI molecules are too large (in terms of molecular sizes) to infiltrate the micropores.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17832569" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="197a8327d3f387923f4f10f18ecdddfb" rel="nofollow" data-download="{"attachment_id":39734162,"asset_id":17832569,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39734162/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="37750330" href="https://thol.academia.edu/MohamedAroua">Mohamed Aroua</a><script data-card-contents-for-user="37750330" type="text/json">{"id":37750330,"first_name":"Mohamed","last_name":"Aroua","domain_name":"thol","page_name":"MohamedAroua","display_name":"Mohamed Aroua","profile_url":"https://thol.academia.edu/MohamedAroua?f_ri=39752","photo":"https://0.academia-photos.com/37750330/19551334/19449975/s65_mohamed.aroua.jpg"}</script></span></span></li><li class="js-paper-rank-work_17832569 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="17832569"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 17832569, container: ".js-paper-rank-work_17832569", }); 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Fundamental interactions between PEI molecules and metal ions on textural surface (micro-and mesopores) of the AC are elucidated. Three types of low molecular weight PEI distinguished by their molecular numbers, Mn (423, 600 and 1200) are used for the impregnation process. Impregnation at 8.41 wt% 423-PEI/AC provides optimum increases for nickel and copper adsorption capacities by factors of 2.6 and 1.5 respectively at 49% reduction of Brunauer-Emmett-Teller (BET) surface area as compared to virgin AC. Only 423-PEI molecules are shown to have considerably filled the micropores of AC whereas the 600-and 1200-PEI molecules are too large (in terms of molecular sizes) to infiltrate the micropores.","downloadable_attachments":[{"id":39734162,"asset_id":17832569,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":37750330,"first_name":"Mohamed","last_name":"Aroua","domain_name":"thol","page_name":"MohamedAroua","display_name":"Mohamed Aroua","profile_url":"https://thol.academia.edu/MohamedAroua?f_ri=39752","photo":"https://0.academia-photos.com/37750330/19551334/19449975/s65_mohamed.aroua.jpg"}],"research_interests":[{"id":56,"name":"Materials Engineering","url":"https://www.academia.edu/Documents/in/Materials_Engineering?f_ri=39752","nofollow":true},{"id":3746,"name":"Colloids and Surfaces","url":"https://www.academia.edu/Documents/in/Colloids_and_Surfaces?f_ri=39752","nofollow":true},{"id":18469,"name":"Activated carbon 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Compounds","url":"https://www.academia.edu/Documents/in/Manganese_Compounds?f_ri=39752"},{"id":1030896,"name":"Microporous Materials","url":"https://www.academia.edu/Documents/in/Microporous_Materials?f_ri=39752"},{"id":1247839,"name":"Near Surface Characteristics","url":"https://www.academia.edu/Documents/in/Near_Surface_Characteristics?f_ri=39752"},{"id":1490208,"name":"Polyethylene imine (PEI)","url":"https://www.academia.edu/Documents/in/Polyethylene_imine_PEI_?f_ri=39752"},{"id":1496706,"name":"Low molecular weight","url":"https://www.academia.edu/Documents/in/Low_molecular_weight?f_ri=39752"},{"id":1499503,"name":"Meso-pores","url":"https://www.academia.edu/Documents/in/Meso-pores?f_ri=39752"},{"id":1499506,"name":"Textural characteristics","url":"https://www.academia.edu/Documents/in/Textural_characteristics?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_34279445" data-work_id="34279445" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/34279445/Adsorption_equilibrium_and_kinetics_of_methyl_acetate_methanol_and_methyl_acetate_water_mixtures_on_zeolite_5A">Adsorption equilibrium and kinetics of methyl acetate/methanol and methyl acetate/water mixtures on zeolite 5A</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">h i g h l i g h t s " A purification step of the methyl acetate is needed to remove contaminants. " Adsorption isotherms of methyl acetate mixtures correlated with a Langmuir model. " Breakthrough curves showed the feasibility of the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_34279445" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">h i g h l i g h t s " A purification step of the methyl acetate is needed to remove contaminants. " Adsorption isotherms of methyl acetate mixtures correlated with a Langmuir model. " Breakthrough curves showed the feasibility of the adsorption on zeolite 5A.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/34279445" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0171cc47d69b367915f945144ee1a7d7" rel="nofollow" data-download="{"attachment_id":54186106,"asset_id":34279445,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" 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A purification step of the methyl acetate is needed to remove contaminants. \" Adsorption isotherms of methyl acetate mixtures correlated with a Langmuir model. \" Breakthrough curves showed the feasibility of the adsorption on zeolite 5A.","downloadable_attachments":[{"id":54186106,"asset_id":34279445,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":47059670,"first_name":"Abraham","last_name":"Casas","domain_name":"independent","page_name":"AbrahamCasas1","display_name":"Abraham Casas","profile_url":"https://independent.academia.edu/AbrahamCasas1?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":72,"name":"Chemical 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Towards a Benign Au Recovery from E-waste</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/81745204" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="26cf9a5fc1425a61a923bbd6f83bbce8" rel="nofollow" data-download="{"attachment_id":87683380,"asset_id":81745204,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" 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E-waste","created_at":"2022-06-18T01:21:21.774-07:00","url":"https://www.academia.edu/81745204/Adsorption_of_Gold_from_Leach_Liquors_using_Tannin_Adsorbents_Towards_a_Benign_Au_Recovery_from_E_waste?f_ri=39752","dom_id":"work_81745204","summary":null,"downloadable_attachments":[{"id":87683380,"asset_id":81745204,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":27022679,"first_name":"beatriz","last_name":"torrinha","domain_name":"feup","page_name":"beatriztorrinha","display_name":"beatriz torrinha","profile_url":"https://feup.academia.edu/beatriztorrinha?f_ri=39752","photo":"https://0.academia-photos.com/27022679/21667059/20996605/s65_beatriz.torrinha.jpg"}],"research_interests":[{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=39752","nofollow":true},{"id":26931,"name":"Nuclear Chemistry","url":"https://www.academia.edu/Documents/in/Nuclear_Chemistry?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_81443004" data-work_id="81443004" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/81443004/Evaluation_of_B_subtilis_SPB1_biosurfactants_potency_for_diesel_contaminated_soil_washing_optimization_of_oil_desorption_using_Taguchi_design">Evaluation of B. subtilis SPB1 biosurfactants' potency for diesel-contaminated soil washing: optimization of oil desorption using Taguchi design</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Low solubility of certain hydrophobic soil contaminants limits remediation process. Surface-active compounds can improve the solubility and removal of hydrophobic compounds from contaminated soils and, consequently, their biodegradation.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_81443004" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Low solubility of certain hydrophobic soil contaminants limits remediation process. Surface-active compounds can improve the solubility and removal of hydrophobic compounds from contaminated soils and, consequently, their biodegradation. Hence, this paper aims to study desorption efficiency of oil from soil of SPB1 lipopeptide biosurfactant. The effect of different physicochemical parameters on desorption potency was assessed. Taguchi experimental design method was applied in order to enhance the desorption capacity and establish the best washing parameters. Mobilization potency was compared to those of chemical surfactants under the newly defined conditions. Better desorption capacity was obtained using 0.1 % biosurfacatnt solution and the mobilization potency shows great tolerance to acidic and alkaline pH values and salinity. Results show an optimum value of oil removal from diesel-contaminated soil of about 87 %. The optimum washing conditions for surfactant solution volume, biosurfactant concentration, agitation speed, temperature, and time were found to be 12 ml/g of soil, 0.1 % biosurfactant, 200 rpm, 30 °C, and 24 h, respectively. The obtained results were compared to those of SDS and Tween 80 at the optimal conditions described above, and the study reveals an effectiveness of SPB1 biosurfactant comparable to the reported chemical emulsifiers. (1) The obtained findings suggest (a) the competence of Bacillus subtilis biosurfactant in promoting diesel desorption from soil towards chemical surfactants and (b) the applicability of this method in decontaminating crude oil-contaminated soil and, therefore, improving bioavailability of hydrophobic compounds. (2) The obtained findings also suggest the adequacy of Taguchi design in promoting process efficiency. Our findings suggest that preoptimized desorption process using microbial-derived emulsifier can contribute significantly to enhancement of hydrophobic pollutants' bioavailability. This study can be complemented with the investigation of potential role in improving the biodegradation of the diesel adsorbed to the soil.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/81443004" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="747076b4ad38d00eb89a231240eeb7bf" rel="nofollow" data-download="{"attachment_id":87484600,"asset_id":81443004,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/87484600/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="69075388" href="https://independent.academia.edu/GhribiDhouha">Dhouha Ghribi</a><script data-card-contents-for-user="69075388" type="text/json">{"id":69075388,"first_name":"Dhouha","last_name":"Ghribi","domain_name":"independent","page_name":"GhribiDhouha","display_name":"Dhouha Ghribi","profile_url":"https://independent.academia.edu/GhribiDhouha?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_81443004 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="81443004"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 81443004, container: ".js-paper-rank-work_81443004", }); 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Surface-active compounds can improve the solubility and removal of hydrophobic compounds from contaminated soils and, consequently, their biodegradation. Hence, this paper aims to study desorption efficiency of oil from soil of SPB1 lipopeptide biosurfactant. The effect of different physicochemical parameters on desorption potency was assessed. Taguchi experimental design method was applied in order to enhance the desorption capacity and establish the best washing parameters. Mobilization potency was compared to those of chemical surfactants under the newly defined conditions. Better desorption capacity was obtained using 0.1 % biosurfacatnt solution and the mobilization potency shows great tolerance to acidic and alkaline pH values and salinity. Results show an optimum value of oil removal from diesel-contaminated soil of about 87 %. The optimum washing conditions for surfactant solution volume, biosurfactant concentration, agitation speed, temperature, and time were found to be 12 ml/g of soil, 0.1 % biosurfactant, 200 rpm, 30 °C, and 24 h, respectively. The obtained results were compared to those of SDS and Tween 80 at the optimal conditions described above, and the study reveals an effectiveness of SPB1 biosurfactant comparable to the reported chemical emulsifiers. (1) The obtained findings suggest (a) the competence of Bacillus subtilis biosurfactant in promoting diesel desorption from soil towards chemical surfactants and (b) the applicability of this method in decontaminating crude oil-contaminated soil and, therefore, improving bioavailability of hydrophobic compounds. (2) The obtained findings also suggest the adequacy of Taguchi design in promoting process efficiency. Our findings suggest that preoptimized desorption process using microbial-derived emulsifier can contribute significantly to enhancement of hydrophobic pollutants' bioavailability. This study can be complemented with the investigation of potential role in improving the biodegradation of the diesel adsorbed to the soil.","downloadable_attachments":[{"id":87484600,"asset_id":81443004,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":69075388,"first_name":"Dhouha","last_name":"Ghribi","domain_name":"independent","page_name":"GhribiDhouha","display_name":"Dhouha Ghribi","profile_url":"https://independent.academia.edu/GhribiDhouha?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=39752","nofollow":true},{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=39752","nofollow":true},{"id":5285,"name":"Petroleum","url":"https://www.academia.edu/Documents/in/Petroleum?f_ri=39752","nofollow":true},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=39752"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=39752"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=39752"},{"id":205584,"name":"Solubility","url":"https://www.academia.edu/Documents/in/Solubility?f_ri=39752"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=39752"},{"id":386872,"name":"Bacillus subtilis","url":"https://www.academia.edu/Documents/in/Bacillus_subtilis?f_ri=39752"},{"id":564340,"name":"Surface Active Agents","url":"https://www.academia.edu/Documents/in/Surface_Active_Agents?f_ri=39752"},{"id":815324,"name":"Petroleum Pollution","url":"https://www.academia.edu/Documents/in/Petroleum_Pollution?f_ri=39752"},{"id":1365470,"name":"Soil Pollutants","url":"https://www.academia.edu/Documents/in/Soil_Pollutants?f_ri=39752"},{"id":4105026,"name":"Biological products","url":"https://www.academia.edu/Documents/in/Biological_products?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_72529966" data-work_id="72529966" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/72529966/Sorbent_membrane_dialysis_in_uremia">Sorbent membrane dialysis in uremia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The inclusion of activated charcoal within hemodialysis membranes offers potentially improved plasma clearance of creatinine and middle molecules. However, the carbon becomes saturated with continued use and beyond 1 h removal of solutes... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_72529966" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The inclusion of activated charcoal within hemodialysis membranes offers potentially improved plasma clearance of creatinine and middle molecules. However, the carbon becomes saturated with continued use and beyond 1 h removal of solutes is by dialysis alone. Two independently conducted crossover studies, to assess the efficacy of sorbent membrane dialysis (SMD) in the treatment of uremia, found predialysis urea levels increased by approximately 15%, creatinine by 10-15%, and inorganic phosphate levels by 10-18% on SMD compared to conventional hemodialysis. One study also observed &quot;middle molecule&#39; (peak &quot;b&#39;) levels elevated. No differences were observable in the clinical status of patients. The results suggest that the charcoal content of the SMD device is too small to effect any advantages over conventional dialysis.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/72529966" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="205533824" href="https://independent.academia.edu/RandersonDavid">David Randerson</a><script data-card-contents-for-user="205533824" type="text/json">{"id":205533824,"first_name":"David","last_name":"Randerson","domain_name":"independent","page_name":"RandersonDavid","display_name":"David Randerson","profile_url":"https://independent.academia.edu/RandersonDavid?f_ri=39752","photo":"https://0.academia-photos.com/205533824/66104803/54451541/s65_david.randerson.jpeg"}</script></span></span></li><li class="js-paper-rank-work_72529966 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="72529966"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 72529966, container: ".js-paper-rank-work_72529966", }); 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However, the carbon becomes saturated with continued use and beyond 1 h removal of solutes is by dialysis alone. Two independently conducted crossover studies, to assess the efficacy of sorbent membrane dialysis (SMD) in the treatment of uremia, found predialysis urea levels increased by approximately 15%, creatinine by 10-15%, and inorganic phosphate levels by 10-18% on SMD compared to conventional hemodialysis. One study also observed \u0026quot;middle molecule\u0026#39; (peak \u0026quot;b\u0026#39;) levels elevated. No differences were observable in the clinical status of patients. The results suggest that the charcoal content of the SMD device is too small to effect any advantages over conventional dialysis.","downloadable_attachments":[],"ordered_authors":[{"id":205533824,"first_name":"David","last_name":"Randerson","domain_name":"independent","page_name":"RandersonDavid","display_name":"David Randerson","profile_url":"https://independent.academia.edu/RandersonDavid?f_ri=39752","photo":"https://0.academia-photos.com/205533824/66104803/54451541/s65_david.randerson.jpeg"}],"research_interests":[{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":83091,"name":"Charcoal","url":"https://www.academia.edu/Documents/in/Charcoal?f_ri=39752","nofollow":true},{"id":227310,"name":"Blood Urea Nitrogen","url":"https://www.academia.edu/Documents/in/Blood_Urea_Nitrogen?f_ri=39752","nofollow":true},{"id":244814,"name":"Clinical Sciences","url":"https://www.academia.edu/Documents/in/Clinical_Sciences?f_ri=39752"},{"id":289271,"name":"Aged","url":"https://www.academia.edu/Documents/in/Aged?f_ri=39752"},{"id":1438730,"name":"Creatinine","url":"https://www.academia.edu/Documents/in/Creatinine?f_ri=39752"},{"id":1611680,"name":"Renal Dialysis","url":"https://www.academia.edu/Documents/in/Renal_Dialysis?f_ri=39752"},{"id":3153759,"name":"Hemoperfusion","url":"https://www.academia.edu/Documents/in/Hemoperfusion?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_66479207" data-work_id="66479207" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/66479207/Steam_Reactivation_of_Spent_CaO_Based_Sorbent_for_Multiple_CO_2_Capture_Cycles">Steam Reactivation of Spent CaO-Based Sorbent for Multiple CO 2 Capture Cycles</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">S2 TABLE S1. Results of TGA analyses of sorbent hydrated after CO 2 cycles a CaO carbonated (%) Sample CaO sulphated (%) Before After CaO hydrated (%) CaO unreacted (%) KR37 (75-150 μm) 29.77 4.69 10.44 50.66 9.13 KR38 (300-425 μm) 28.09... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_66479207" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">S2 TABLE S1. Results of TGA analyses of sorbent hydrated after CO 2 cycles a CaO carbonated (%) Sample CaO sulphated (%) Before After CaO hydrated (%) CaO unreacted (%) KR37 (75-150 μm) 29.77 4.69 10.44 50.66 9.13 KR38 (300-425 μm) 28.09 4.08 8.72 53.98 9.21 KR39 (600-750 μm) 26.59 4.86 9.60 55.76 8.05 KR40 (75-150 μm) 0.00 19.31 24.80 68.74 6.46 KR41 (300-425 μm) 0.00 14.60 18.98 70.74 10.28 KR42 (600-750 μm) 0.00 16.46 20.76 70.55 8.68 a The values of CaO sulphated were calculated on the basis of mass increment at end of sulphation step and represent the CaSO 4 /totalCaO molar ratio. The values of CaO hydrated and carbonated were calculated on the basis of mass loss in the TGA experiments, which correspond to the Ca(OH) 2 and CaCO 3 decomposition and represent the Ca(OH) 2 /totalCaO and CaCO 3 /totalCaO molar ratio, respectively. The values of CaO unreacted are calculated by difference.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/66479207" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="dd6824835956f55096cff655c7140d15" rel="nofollow" data-download="{"attachment_id":77654910,"asset_id":66479207,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/77654910/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32356960" href="https://cranfield.academia.edu/EdwardAnthony">Edward J Anthony</a><script data-card-contents-for-user="32356960" type="text/json">{"id":32356960,"first_name":"Edward","last_name":"Anthony","domain_name":"cranfield","page_name":"EdwardAnthony","display_name":"Edward J Anthony","profile_url":"https://cranfield.academia.edu/EdwardAnthony?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_66479207 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="66479207"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 66479207, container: ".js-paper-rank-work_66479207", }); 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Results of TGA analyses of sorbent hydrated after CO 2 cycles a CaO carbonated (%) Sample CaO sulphated (%) Before After CaO hydrated (%) CaO unreacted (%) KR37 (75-150 μm) 29.77 4.69 10.44 50.66 9.13 KR38 (300-425 μm) 28.09 4.08 8.72 53.98 9.21 KR39 (600-750 μm) 26.59 4.86 9.60 55.76 8.05 KR40 (75-150 μm) 0.00 19.31 24.80 68.74 6.46 KR41 (300-425 μm) 0.00 14.60 18.98 70.74 10.28 KR42 (600-750 μm) 0.00 16.46 20.76 70.55 8.68 a The values of CaO sulphated were calculated on the basis of mass increment at end of sulphation step and represent the CaSO 4 /totalCaO molar ratio. The values of CaO hydrated and carbonated were calculated on the basis of mass loss in the TGA experiments, which correspond to the Ca(OH) 2 and CaCO 3 decomposition and represent the Ca(OH) 2 /totalCaO and CaCO 3 /totalCaO molar ratio, respectively. The values of CaO unreacted are calculated by difference.","downloadable_attachments":[{"id":77654910,"asset_id":66479207,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32356960,"first_name":"Edward","last_name":"Anthony","domain_name":"cranfield","page_name":"EdwardAnthony","display_name":"Edward J Anthony","profile_url":"https://cranfield.academia.edu/EdwardAnthony?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":3471,"name":"Regeneration","url":"https://www.academia.edu/Documents/in/Regeneration?f_ri=39752","nofollow":true},{"id":4594,"name":"Carbon Dioxide","url":"https://www.academia.edu/Documents/in/Carbon_Dioxide?f_ri=39752","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=39752","nofollow":true},{"id":34633,"name":"Environmental science and 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Ce, and Al</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The objective of this work was to demonstrate the viability of the cross ketonization reaction with the triacylglycerol from Cuphea sp. and acetic acid in a fixed-bed plug-flow reactor. The seed oil from Cuphea sp. contains up to 71%... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_60035736" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The objective of this work was to demonstrate the viability of the cross ketonization reaction with the triacylglycerol from Cuphea sp. and acetic acid in a fixed-bed plug-flow reactor. The seed oil from Cuphea sp. contains up to 71% decanoic acid and the reaction of this fatty acid residue with acetic acid yields the fragrance compound and insect repellent 2-undecanone. To this end, we screened several ketonization catalysts taken from the literature including CeO 2 , CeO 2 /Al 2 O 3 , CeO 2 /ZrO 2 , MnO x /Al 2 O 3. The catalysts were characterized by N 2 adsorption/desorption, H 2-TPH, CO 2-TPD, and XRD. Each of these catalysts affected the conversion but the highest yield was found with a new coprecipitated mixed metal oxide of empirical formula Fe 0.5 Ce 0.2 Al 0.3 O x. In a flow reactor, Fe 0.5 Ce 0.2 Al 0.3 O x gave 2-undecanone at 91% theoretical yield with reaction conditions of 400 • C, weight hourly space velocity of 2, molar ratio of acetic acid to Cuphea oil of 23, and N 2 carrier gas flow of 125 ml/min at 2.4 bar. This high yield is attributed to the low rate of coke formation on the mixed metal catalyst. In the absence of acetic acid, coupling of the decanoic acid residues gives 10-ketononadecane.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/60035736" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="097ec1420535d3e1e47f09671316cfd1" rel="nofollow" data-download="{"attachment_id":73657938,"asset_id":60035736,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/73657938/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38611627" href="https://independent.academia.edu/StevenCermak">Steven Cermak</a><script data-card-contents-for-user="38611627" type="text/json">{"id":38611627,"first_name":"Steven","last_name":"Cermak","domain_name":"independent","page_name":"StevenCermak","display_name":"Steven Cermak","profile_url":"https://independent.academia.edu/StevenCermak?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_60035736 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="60035736"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 60035736, container: ".js-paper-rank-work_60035736", }); 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The seed oil from Cuphea sp. contains up to 71% decanoic acid and the reaction of this fatty acid residue with acetic acid yields the fragrance compound and insect repellent 2-undecanone. To this end, we screened several ketonization catalysts taken from the literature including CeO 2 , CeO 2 /Al 2 O 3 , CeO 2 /ZrO 2 , MnO x /Al 2 O 3. The catalysts were characterized by N 2 adsorption/desorption, H 2-TPH, CO 2-TPD, and XRD. Each of these catalysts affected the conversion but the highest yield was found with a new coprecipitated mixed metal oxide of empirical formula Fe 0.5 Ce 0.2 Al 0.3 O x. In a flow reactor, Fe 0.5 Ce 0.2 Al 0.3 O x gave 2-undecanone at 91% theoretical yield with reaction conditions of 400 • C, weight hourly space velocity of 2, molar ratio of acetic acid to Cuphea oil of 23, and N 2 carrier gas flow of 125 ml/min at 2.4 bar. This high yield is attributed to the low rate of coke formation on the mixed metal catalyst. In the absence of acetic acid, coupling of the decanoic acid residues gives 10-ketononadecane.","downloadable_attachments":[{"id":73657938,"asset_id":60035736,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38611627,"first_name":"Steven","last_name":"Cermak","domain_name":"independent","page_name":"StevenCermak","display_name":"Steven Cermak","profile_url":"https://independent.academia.edu/StevenCermak?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":72,"name":"Chemical Engineering","url":"https://www.academia.edu/Documents/in/Chemical_Engineering?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":40957,"name":"Heterogeneous Catalysis","url":"https://www.academia.edu/Documents/in/Heterogeneous_Catalysis?f_ri=39752","nofollow":true},{"id":75555,"name":"Conversion","url":"https://www.academia.edu/Documents/in/Conversion?f_ri=39752","nofollow":true},{"id":76228,"name":"Oil","url":"https://www.academia.edu/Documents/in/Oil?f_ri=39752"},{"id":169323,"name":"Composite Material","url":"https://www.academia.edu/Documents/in/Composite_Material?f_ri=39752"},{"id":211876,"name":"Desorption","url":"https://www.academia.edu/Documents/in/Desorption?f_ri=39752"},{"id":337500,"name":"Velocity","url":"https://www.academia.edu/Documents/in/Velocity?f_ri=39752"},{"id":386527,"name":"X ray diffraction","url":"https://www.academia.edu/Documents/in/X_ray_diffraction?f_ri=39752"},{"id":552191,"name":"Reactor","url":"https://www.academia.edu/Documents/in/Reactor?f_ri=39752"},{"id":788711,"name":"Residue","url":"https://www.academia.edu/Documents/in/Residue?f_ri=39752"},{"id":895879,"name":"Coprecipitation","url":"https://www.academia.edu/Documents/in/Coprecipitation?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_56550757" data-work_id="56550757" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/56550757/Evidence_for_a_clinically_important_adverse_effect_of_fiber_enriched_diet_on_the_bioavailability_of_levothyroxine_in_adult_hypothyroid_patients">Evidence for a clinically important adverse effect of fiber-enriched diet on the bioavailability of levothyroxine in adult hypothyroid patients</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/56550757" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="db3bb92e977450d1decb085f8cae443a" rel="nofollow" data-download="{"attachment_id":71883339,"asset_id":56550757,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/71883339/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="40902156" href="https://bgu.academia.edu/ShragaShany">Shraga Shany</a><script data-card-contents-for-user="40902156" type="text/json">{"id":40902156,"first_name":"Shraga","last_name":"Shany","domain_name":"bgu","page_name":"ShragaShany","display_name":"Shraga Shany","profile_url":"https://bgu.academia.edu/ShragaShany?f_ri=39752","photo":"https://0.academia-photos.com/40902156/67515131/55882935/s65_shraga.shany.jpg"}</script></span></span></li><li class="js-paper-rank-work_56550757 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="56550757"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 56550757, container: ".js-paper-rank-work_56550757", }); 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Analysis and comparison of adsorption energies and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_56298586" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Using first-principles calculations, we report structural and electronic properties of CO, NO and NO molecular adsorption on beta-In2Se3 in comparison to a previous study on alpha-phase. Analysis and comparison of adsorption energies and extent of charge transfer indicates beta-In2Se3 to be selective in detecting gas molecules. We found NO molecules acting as charge donor whereas CO and NO molecules as charge acceptors, respectively, experiencing physisorption in all cases. Owing to enhanced adsorption, faster desorption and improved selectivity of the gas molecules discussed in detail, we conclude beta-InSe to be a superior gas sensing material ideal for chemoresistive-type gas sensing applications.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/56298586" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="db1b4fc571e99c41622fb24271e58fbc" rel="nofollow" data-download="{"attachment_id":71752224,"asset_id":56298586,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/71752224/download_file?st=MTczOTcxMjEwNCw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="100769920" href="https://kfupm.academia.edu/SherifdeenBolarinwa">Sherifdeen Bolarinwa</a><script data-card-contents-for-user="100769920" type="text/json">{"id":100769920,"first_name":"Sherifdeen","last_name":"Bolarinwa","domain_name":"kfupm","page_name":"SherifdeenBolarinwa","display_name":"Sherifdeen Bolarinwa","profile_url":"https://kfupm.academia.edu/SherifdeenBolarinwa?f_ri=39752","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_56298586 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="56298586"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 56298586, container: ".js-paper-rank-work_56298586", }); 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Analysis and comparison of adsorption energies and extent of charge transfer indicates beta-In2Se3 to be selective in detecting gas molecules. We found NO molecules acting as charge donor whereas CO and NO molecules as charge acceptors, respectively, experiencing physisorption in all cases. Owing to enhanced adsorption, faster desorption and improved selectivity of the gas molecules discussed in detail, we conclude beta-InSe to be a superior gas sensing material ideal for chemoresistive-type gas sensing applications.","downloadable_attachments":[{"id":71752224,"asset_id":56298586,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":100769920,"first_name":"Sherifdeen","last_name":"Bolarinwa","domain_name":"kfupm","page_name":"SherifdeenBolarinwa","display_name":"Sherifdeen Bolarinwa","profile_url":"https://kfupm.academia.edu/SherifdeenBolarinwa?f_ri=39752","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":17395,"name":"Density-functional theory","url":"https://www.academia.edu/Documents/in/Density-functional_theory?f_ri=39752","nofollow":true},{"id":39752,"name":"Adsorption","url":"https://www.academia.edu/Documents/in/Adsorption?f_ri=39752","nofollow":true},{"id":98168,"name":"First-principles modelling and simulation","url":"https://www.academia.edu/Documents/in/First-principles_modelling_and_simulation?f_ri=39752","nofollow":true},{"id":289083,"name":"Gas sensing","url":"https://www.academia.edu/Documents/in/Gas_sensing?f_ri=39752","nofollow":true},{"id":743724,"name":"2d Materials","url":"https://www.academia.edu/Documents/in/2d_Materials?f_ri=39752"},{"id":3627140,"name":"Indium selenide","url":"https://www.academia.edu/Documents/in/Indium_selenide?f_ri=39752"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_54729208" data-work_id="54729208" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/54729208/Biosorption_of_copper_ions_from_aqueous_solutions_by_Spirulina_platensis_biomass">Biosorption of copper ions from aqueous solutions by Spirulina platensis biomass</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">Heavy metal pollution of the aquatic environment has been considered as a major global environmental problem; due to their toxicity through food chains. 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