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ammonia-oxidizing bacteria</title> <meta name="description" content="Search results for: ammonia-oxidizing bacteria"> <meta name="keywords" content="ammonia-oxidizing bacteria"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="ammonia-oxidizing bacteria"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 263</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: ammonia-oxidizing bacteria</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">263</span> Tolerance of Heavy Metals by Gram Positive Soil Bacteria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=I.%20V.%20N.%20Rathnayake">I. V. N. Rathnayake</a>, <a href="https://publications.waset.org/search?q=Mallavarapu%20Megharaj"> Mallavarapu Megharaj</a>, <a href="https://publications.waset.org/search?q=Nanthi%20Bolan"> Nanthi Bolan</a>, <a href="https://publications.waset.org/search?q=Ravi%20Naidu"> Ravi Naidu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the intention of screening for heavy metal tolerance, a number of bacteria were isolated and characterized from a pristine soil. Two Gram positive isolates were identified as Paenibacillus sp. and Bacillus thuringeinsis. Tolerance of Cd2+, Cu2+ and Zn2+ by these bacteria was studied and found that both bacteria were highly sensitive to Cu2+ compared to other two metals. Both bacteria showed the same pattern of metal tolerance in the order Zn+ > Cd2+ > Cu2+. When the metal tolerance in both bacteria was compared, Paenibacillus sp. showed the highest sensitivity to Cu2+ where as B. thuringiensis showed highest sensitivity to Cd2+ and Zn2+ .These findings revealed the potential of Paenibacillus sp. in developing a biosensor to detect Cu2+ in environmental samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Heavy%20metals" title="Heavy metals">Heavy metals</a>, <a href="https://publications.waset.org/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/search?q=tolerance." title=" tolerance."> tolerance.</a> </p> <a href="https://publications.waset.org/8678/tolerance-of-heavy-metals-by-gram-positive-soil-bacteria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8678/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8678/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8678/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8678/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8678/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8678/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8678/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8678/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8678/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8678/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8678.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">7006</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">262</span> The Co-application of Plant Growth Promoting Rhizobacteria and Inoculation with Rhizobium Bacteria on Grain Yield and Its Components of Mungbean (Vigna radiate L.) in Ilam Province, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdollah%20Hosseini">Abdollah Hosseini</a>, <a href="https://publications.waset.org/search?q=Abbas%20Maleki"> Abbas Maleki</a>, <a href="https://publications.waset.org/search?q=Khalil%20Fasihi"> Khalil Fasihi</a>, <a href="https://publications.waset.org/search?q=Rahim%20Naseri"> Rahim Naseri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In order to investigate the effect of Plant Growth Promoting Rhizobacteria (PGPR) and rhizobium bacteria on grain yield and some agronomic traits of mungbean (Vigna radiate L.), an experiment was carried out based on randomized complete block design with three replications in Malekshahi, Ilam province, Iran during 2012-2013 cropping season. Experimental treatments consisted of control treatment, inoculation with rhizobium bacteria, rhizobium bacteria and Azotobacter, rhizobium bacteria and Azospirillum, rhizobium bacteria and Pseudomonas, rhizobium bacteria, Azotobacter and Azospirillum, rhizobium bacteria, Azotobacter and Pseudomonas, rhizobium bacteria, Azospirillum and Pseudomonas and rhizobium bacteria, Azotobacter, Azospirillum and Pseudomonas. The results showed that the effect of PGPR and rhizobium bacteria were significant affect on grain and its components in mungbean plant. Grain yield significantly increased by PGPR and rhizobium bacteria, so that the maximum grain yield was obtained from rhizobium bacteria + Azospirillum + Pseudomonas with the amount of 2287 kg.ha-1 as compared to control treatment. Excessive application of chemical fertilizers causes environmental and economic problems. That is, the overfertilization of P and N leads to pollution due to soil erosion and runoff water, so the use of PGPR and rhizobium bacteria can be justified due to reduce input costs, increase in grain yield and environmental friendly.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Azotobacter" title="Azotobacter">Azotobacter</a>, <a href="https://publications.waset.org/search?q=Mungbean" title=" Mungbean"> Mungbean</a>, <a href="https://publications.waset.org/search?q=Pseudomonas" title=" Pseudomonas"> Pseudomonas</a>, <a href="https://publications.waset.org/search?q=Rhizobium%0D%0Abacteria." title=" Rhizobium bacteria."> Rhizobium bacteria.</a> </p> <a href="https://publications.waset.org/9999577/the-co-application-of-plant-growth-promoting-rhizobacteria-and-inoculation-with-rhizobium-bacteria-on-grain-yield-and-its-components-of-mungbean-vigna-radiate-l-in-ilam-province-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999577/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999577/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999577/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999577/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999577/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999577/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999577/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999577/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999577/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999577/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999577.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2860</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">261</span> Biodiversity of Plants Rhizosphere and Rhizoplane Bacteria in the Presence of Petroleum Hydrocarbons</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Togzhan%20D.%20Mukasheva">Togzhan D. Mukasheva</a>, <a href="https://publications.waset.org/search?q=Anel%20A.%20Omirbekova"> Anel A. Omirbekova</a>, <a href="https://publications.waset.org/search?q=Raikhan%20S.%20Sydykbekova"> Raikhan S. Sydykbekova</a>, <a href="https://publications.waset.org/search?q=Ramza%20Zh.%20Berzhanova"> Ramza Zh. Berzhanova</a>, <a href="https://publications.waset.org/search?q=Lyudmila%20V.%20Ignatova"> Lyudmila V. Ignatova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Following plants-barley (Hordeum sativum), alfalfa (Medicago sativa), grass mixture (red fescue-75%, long-term ryegrass - 20% Kentucky bluegrass - 10%), oilseed rape (Brassica napus biennis), resistant to growth in the contaminated soil with oil content of 15.8 g / kg 25.9 g / kg soil were used. Analysis of the population showed that the oil pollution reduces the number of bacteria in the rhizosphere and rhizoplane of plants and enhances the amount of spore-forming bacteria and saprotrophic micromycetes. It was shown that regardless of the plant, dominance of Pseudomonas and Bacillus genera bacteria was typical for the rhizosphere and rhizoplane of plants. The frequency of bacteria of these genera was more than 60%. Oil pollution changes the ratio of occurrence of various types of bacteria in the rhizosphere and rhizoplane of plants. Besides the Pseudomonas and Bacillus genera, in the presence of hydrocarbons in the root zone of plants dominant and most typical were the representatives of the Mycobacterium and Rhodococcus genera. Together the number was between 62% to 72%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Identification" title="Identification">Identification</a>, <a href="https://publications.waset.org/search?q=micromycetes" title=" micromycetes"> micromycetes</a>, <a href="https://publications.waset.org/search?q=pollution" title=" pollution"> pollution</a>, <a href="https://publications.waset.org/search?q=root%20system." title=" root system."> root system.</a> </p> <a href="https://publications.waset.org/10003588/biodiversity-of-plants-rhizosphere-and-rhizoplane-bacteria-in-the-presence-of-petroleum-hydrocarbons" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003588/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003588/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003588/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003588/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003588/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003588/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003588/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003588/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003588/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003588/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003588.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1893</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">260</span> Phylogenetic Characterization of Atrazine-Degrading Bacteria Isolated from Agricultural Soil in Eastern Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sawangjit%20Sopid">Sawangjit Sopid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this study sugarcane field soils with a long history of atrazine application in Chachoengsao and Chonburi provinces have been explored for their potential of atrazine biodegradation. For the atrazine degrading bacteria isolation, the soils used in this study named ACS and ACB were inoculated in MS-medium containing atrazine. Six short rod and gram-negative bacterial isolates, which were able to use this herbicide as a sole source of nitrogen, were isolated and named as ACS1, ACB1, ACB3, ACB4, ACB5 and ACB6. From the 16S rDNA nucleotide sequence analysis, the isolated bacteria ACS1 and ACB4 were identified as <em>Rhizobium </em>sp<em>.</em> with 89.1-98.7% nucleotide identity, ACB1 and ACB5 were identified as <em>Stenotrophomonas </em>sp<em>. </em>with 91.0-92.8% nucleotide identity, whereas ACB3 and ACB6 were <em>Klebsiella </em>sp<em>. </em>with 97.4-97.8% nucleotide identity<em>.</em></p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Atrazine-degrading%20bacteria" title="Atrazine-degrading bacteria">Atrazine-degrading bacteria</a>, <a href="https://publications.waset.org/search?q=bioremediation" title=" bioremediation"> bioremediation</a>, <a href="https://publications.waset.org/search?q=Thai%20isolate%20bacteria." title=" Thai isolate bacteria."> Thai isolate bacteria.</a> </p> <a href="https://publications.waset.org/9999195/phylogenetic-characterization-of-atrazine-degrading-bacteria-isolated-from-agricultural-soil-in-eastern-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999195/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999195/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999195/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999195/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999195/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999195/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999195/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999195/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999195/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999195/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999195.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2207</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">259</span> On a Negative Relation between Bacterial Taxis and Turing Pattern Formation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20Elragig">A. Elragig</a>, <a href="https://publications.waset.org/search?q=S.%20Townley"> S. Townley</a>, <a href="https://publications.waset.org/search?q=H.%20Dreiwi"> H. Dreiwi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this paper we introduce a bacteria-leukocyte model with bacteria chemotaxsis. We assume that bacteria develop a tactic defence mechanism as a response to Leukocyte phagocytosis. We explore the effect of this tactic motion on Turing space in two parameter spaces. A fine tuning of bacterial chemotaxis shows a significant effect on developing a non-uniform steady state.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Chemotaxis-diffusion%20driven%20instability" title="Chemotaxis-diffusion driven instability">Chemotaxis-diffusion driven instability</a>, <a href="https://publications.waset.org/search?q=bacterial%0D%0Achemotaxis." title=" bacterial chemotaxis."> bacterial chemotaxis.</a> </p> <a href="https://publications.waset.org/9999047/on-a-negative-relation-between-bacterial-taxis-and-turing-pattern-formation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999047/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999047/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999047/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999047/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999047/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999047/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999047/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999047/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999047/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999047/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999047.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1778</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">258</span> Different Formula of Mixed Bacteria as a Bio-Treatment for Sewage Wastewater</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=E.%20Marei">E. Marei</a>, <a href="https://publications.waset.org/search?q=A.%20Hammad"> A. Hammad</a>, <a href="https://publications.waset.org/search?q=S.%20Ismail"> S. Ismail</a>, <a href="https://publications.waset.org/search?q=A.%20El-Gindy"> A. El-Gindy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This study aims to investigate the ability of different formula of mixed bacteria as a biological treatments of wastewater after primary treatment as a bio-treatment and bio-removal and bio-adsorbent of different heavy metals in natural circumstances. The wastewater was collected from Sarpium forest site-Ismailia Governorate, Egypt. These treatments were mixture of free cells and mixture of immobilized cells of different bacteria. These different formulas of mixed bacteria were prepared under Lab. condition. The obtained data indicated that, as a result of wastewater bio-treatment, the removal rate was found to be 76.92 and 76.70% for biological oxygen demand, 79.78 and 71.07% for chemical oxygen demand, 32.45 and 36.84 % for ammonia nitrogen as well as 91.67 and 50.0% for phosphate after 24 and 28 hrs with mixed free cells and mixed immobilized cells, respectively. Moreover, the bio-removals of different heavy metals were found to reach 90.0 and 50. 0% for Cu ion, 98.0 and 98.5% for Fe ion, 97.0 and 99.3% for Mn ion, 90.0 and 90.0% Pb, 80.0% and 75.0% for Zn ion after 24 and 28 hrs with mixed free cells and mixed immobilized cells, respectively. The results indicated that 13.86 and 17.43% of removal efficiency and reduction of total dissolved solids were achieved after 24 and 28 hrs with mixed free cells and mixed immobilized cells, respectively.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biological%20desalination" title="Biological desalination">Biological desalination</a>, <a href="https://publications.waset.org/search?q=bio-sorption%20heavy%20metals" title=" bio-sorption heavy metals"> bio-sorption heavy metals</a>, <a href="https://publications.waset.org/search?q=free%20cell%20bacteria" title=" free cell bacteria"> free cell bacteria</a>, <a href="https://publications.waset.org/search?q=immobilized%20bacteria" title=" immobilized bacteria"> immobilized bacteria</a>, <a href="https://publications.waset.org/search?q=wastewater%20bio-treatment." title=" wastewater bio-treatment."> wastewater bio-treatment.</a> </p> <a href="https://publications.waset.org/10009182/different-formula-of-mixed-bacteria-as-a-bio-treatment-for-sewage-wastewater" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009182/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009182/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009182/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009182/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009182/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009182/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10009182/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10009182/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10009182/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10009182/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10009182.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">863</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">257</span> Bioremediation of Phenanthrene by Monocultures and Mixed Culture Bacteria Isolated from Contaminated Soil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20Fazilah">A. Fazilah</a>, <a href="https://publications.waset.org/search?q=I.%20Darah"> I. Darah</a>, <a href="https://publications.waset.org/search?q=I.%20Noraznawati"> I. Noraznawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Three different bacteria capable of degrading phenanthrene were isolated from hydrocarbon contaminated site. In this study, the phenanthrene-degrading activity by defined monoculture was determined and mixed culture was identified as <em>Acinetobacter</em> sp. P3d, <em>Bacillus </em>sp. P4a and <em>Pseudomonas</em> sp. P6. All bacteria were able to grow in a minimal salt medium saturated with phenanthrene as the sole source of carbon and energy. Phenanthrene degradation efficiencies by different combinations (consortia) of these bacteria were investigated and their phenanthrene degradation was evaluated by gas chromatography. Among the monocultures,<em> Pseudomonas</em> sp. P6 exhibited 58.71% activity compared to <em>Acinetobacter</em> sp. P3d and <em>Bacillus</em> sp. P4a which were 56.97% and 53.05%, respectively after 28 days of cultivation. All consortia showed high phenanthrene elimination which were 95.64, 79.37, 87.19, 79.21% for Consortia A, B, C and D, respectively. The results indicate that all of the bacteria isolated may effectively degrade target chemical and have a promising application in bioremediation of hydrocarbon contaminated soil purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Acinetobacter%20sp.%20P3d" title="Acinetobacter sp. P3d">Acinetobacter sp. P3d</a>, <a href="https://publications.waset.org/search?q=Bacillus%20sp.%20P4a" title=" Bacillus sp. P4a"> Bacillus sp. P4a</a>, <a href="https://publications.waset.org/search?q=consortia" title=" consortia"> consortia</a>, <a href="https://publications.waset.org/search?q=phenanthrene" title=" phenanthrene"> phenanthrene</a>, <a href="https://publications.waset.org/search?q=Pseudomonas%20sp.%20P6." title=" Pseudomonas sp. P6."> Pseudomonas sp. P6.</a> </p> <a href="https://publications.waset.org/10005332/bioremediation-of-phenanthrene-by-monocultures-and-mixed-culture-bacteria-isolated-from-contaminated-soil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10005332/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10005332/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10005332/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10005332/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10005332/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10005332/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10005332/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10005332/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10005332/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10005332/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10005332.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1155</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">256</span> Isolation of Biosurfactant Producing Spore-Forming Bacteria from Oman: Potential Applications in Bioremediation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Saif%20N.%20Al-Bahry">Saif N. Al-Bahry</a>, <a href="https://publications.waset.org/search?q=Yahya%20M.%20Al-Wahaibi"> Yahya M. Al-Wahaibi</a>, <a href="https://publications.waset.org/search?q=Abdulkadir%20E.%20Elshafie"> Abdulkadir E. Elshafie</a>, <a href="https://publications.waset.org/search?q=Ali%20S.%20Al-Bemani"> Ali S. Al-Bemani</a>, <a href="https://publications.waset.org/search?q=Sanket%20J.%20Joshi"> Sanket J. Joshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Environmental pollution is a global problem and best possible solution is identifying and utilizing native microorganisms. One possible application of microbial product -biosurfactant is in bioremediation of hydrocarbon contaminated sites. We have screened forty two different petroleum contaminated sites from Oman, for biosurfactant producing spore-forming bacterial isolates. Initial screening showed that out of 42 soil samples, three showed reduction in surface tension (ST) and interfacial tension (IFT) within 24h of incubation at 40°C. Out of those 3 soil samples, one was further selected for isolation of bacteria and 14 different bacteria were isolated in pure form. Of those 14 spore-forming, rod shaped bacteria, two showed highest reduction in ST and IFT in the range of 70mN/m to <35mN/m and 26.69mN/m to <9mN/m, respectively within 24h. These bacterial biosurfactants may be utilized for bioremediation of oil-spills.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bioremediation" title="Bioremediation">Bioremediation</a>, <a href="https://publications.waset.org/search?q=biosurfactant" title=" biosurfactant"> biosurfactant</a>, <a href="https://publications.waset.org/search?q=hydrocarbon%20pollution" title=" hydrocarbon pollution"> hydrocarbon pollution</a>, <a href="https://publications.waset.org/search?q=spore-forming%20bacteria." title=" spore-forming bacteria. "> spore-forming bacteria. </a> </p> <a href="https://publications.waset.org/9997354/isolation-of-biosurfactant-producing-spore-forming-bacteria-from-oman-potential-applications-in-bioremediation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9997354/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9997354/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9997354/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9997354/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9997354/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9997354/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9997354/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9997354/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9997354/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9997354/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9997354.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2417</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">255</span> Cellolytic Activity of Bacteria of the Bacillus Genus Isolated from the Soil of Zailiskiy Alatau Slopes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=I.%20Savitskaya">I. Savitskaya</a>, <a href="https://publications.waset.org/search?q=A.%20Kistaubayeva"> A. Kistaubayeva</a>, <a href="https://publications.waset.org/search?q=A.%20Zhubanova"> A. Zhubanova</a>, <a href="https://publications.waset.org/search?q=I.%20Blavachinskaiya"> I. Blavachinskaiya</a>, <a href="https://publications.waset.org/search?q=D.%20Ibrayeva"> D. Ibrayeva</a>, <a href="https://publications.waset.org/search?q=M.%20Abdulzhanova"> M. Abdulzhanova</a>, <a href="https://publications.waset.org/search?q=A.%20Otarbay"> A. Otarbay</a>, <a href="https://publications.waset.org/search?q=A.Isabekova"> A.Isabekova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was conducted for the investigation of number of cellulolytic bacteria and their ability in decomposition. Seven samples surface soil were collected on cellulose Zailiskii Alatau slopes. Cellulolitic activity of new strains of Bacillus, isolated from soil is determined. Isolated cellulose degrading bacteria were screened for determination of the highest cellulose activity by quantitative assay using Congo red, gravimetric assay and colorimetric DNS method trough of the determination of the parameters of sugar reduction. Strains are assigned to: B.subtilis, B.licheniformis, B. cereus and, В. megaterium. Bacillus strains consisting of several different types of cellulases have broad substrate specificity of cellulase complexes formed by them. Cellulolitic bacteria were recorded to have highest cellulase activity and selected for optimization of cellulase enzyme production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Cellulose-degrading%20bacteria" title="Cellulose-degrading bacteria">Cellulose-degrading bacteria</a>, <a href="https://publications.waset.org/search?q=cellulase%20complex" title=" cellulase complex"> cellulase complex</a>, <a href="https://publications.waset.org/search?q=foothills%20soil" title=" foothills soil"> foothills soil</a>, <a href="https://publications.waset.org/search?q=screening." title=" screening."> screening.</a> </p> <a href="https://publications.waset.org/10003618/cellolytic-activity-of-bacteria-of-the-bacillus-genus-isolated-from-the-soil-of-zailiskiy-alatau-slopes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10003618/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10003618/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10003618/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10003618/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10003618/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10003618/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10003618/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10003618/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10003618/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10003618/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10003618.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1305</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">254</span> Inhibitory Effect of Lactic Acid and Nisin on Bacterial Spoilage of Chilled Shrimp</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=A.%20R.%20Shirazinejad">A. R. Shirazinejad</a>, <a href="https://publications.waset.org/search?q=I.%20Noryati"> I. Noryati</a>, <a href="https://publications.waset.org/search?q=A.%20Rosma"> A. Rosma</a>, <a href="https://publications.waset.org/search?q=I.%20Darah"> I. Darah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lactic acid alone and its combined application with nisin were evaluated for reducing population of naturally occurring microorganisms on chilled shrimp. Fresh shrimps were dipped in 0, 1.0% and 2.0% (v/v) lactic acid alone and their combined application with 0.04 (g/L/kg) nisin solution for 10 min. Total plate counts of aerobic bacteria (TPCs), Psychrotrophic counts, population of Pseudomonas spp., H2S producing bacteria and Lactic acid bacteria (LAB) on shrimps were determined during storage at 4 °C. The results indicated that total plate counts were 2.91 and 2.63 log CFU/g higher on untreated shrimps after 7 and 14 days of storage, respectively, than on shrimps treated with 2.0% lactic acid combined with 0.04 (g/L/kg) nisin. Both concentrations of lactic acid indicated significant reduction on Pseudomonas counts during storage, while 2.0% lactic acid combined with nisin indicated the highest reduction. In addition, H2S producing bacteria were more sensitive to high concentration of lactic acid combined with nisin during storage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Shrimp" title="Shrimp">Shrimp</a>, <a href="https://publications.waset.org/search?q=lactic%20acid" title=" lactic acid"> lactic acid</a>, <a href="https://publications.waset.org/search?q=nisin" title=" nisin"> nisin</a>, <a href="https://publications.waset.org/search?q=spoilage%20bacteria" title=" spoilage bacteria"> spoilage bacteria</a> </p> <a href="https://publications.waset.org/6489/inhibitory-effect-of-lactic-acid-and-nisin-on-bacterial-spoilage-of-chilled-shrimp" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6489/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6489/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6489/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6489/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6489/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6489/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6489/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6489/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6489/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6489/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6489.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2461</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">253</span> Carbon Sources Utilization Profiles of Thermophilic Phytase Producing Bacteria Isolated from Hot-spring in Malaysia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Noor%20Muzamil%20Mohamad">Noor Muzamil Mohamad</a>, <a href="https://publications.waset.org/search?q=Abdul%20Manaf%20Ali"> Abdul Manaf Ali</a>, <a href="https://publications.waset.org/search?q=Hamzah%20Mohd%20Salleh"> Hamzah Mohd Salleh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phytases (myo-inositol hexakisphosphate phosphohydrolases; EC 3.1.3.8) catalyze the hydrolysis of phytic acid (myoinositol hexakisphosphate) to the mono-, di-, tri-, tetra-, and pentaphosphates of myo-inositol and inorganic phosphate. Therrmophilic bacteria isolated from water sampled from hot spring. About 120 isolates of bacteria were successfully isolated form hot spring water sample and tested for extracellular phytase producing. After 5 passages of the screening on the PSM media, 4 isolates were found stable in producing phytase enzyme. The 16s RDNA sequencing for identification of bacteria using molecular technique revealed that all isolates those positive in phytase producing are belong to Geobacillus spp. And Anoxybacillus spp. Anoxybacillus rupiensis UniSZA-7 were identified for their carbon source utilization using Phenotype Microarray Plate of Biolog and found they utilize several kind of carbon source provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Phytase" title="Phytase">Phytase</a>, <a href="https://publications.waset.org/search?q=Phytic%20Acid" title=" Phytic Acid"> Phytic Acid</a>, <a href="https://publications.waset.org/search?q=Thermophilic%20Bacteria" title=" Thermophilic Bacteria"> Thermophilic Bacteria</a>, <a href="https://publications.waset.org/search?q=PSM%0AMedia%20and%20Phytase%20Assay" title=" PSM Media and Phytase Assay"> PSM Media and Phytase Assay</a> </p> <a href="https://publications.waset.org/11979/carbon-sources-utilization-profiles-of-thermophilic-phytase-producing-bacteria-isolated-from-hot-spring-in-malaysia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11979/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11979/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11979/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11979/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11979/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11979/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11979/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11979/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11979/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11979/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11979.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2165</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">252</span> Preliminary Study of Antimicrobial Activity against Escherichia coli and Probiotic Properties of Lactic Acid Bacteria Isolated from Thailand Fermented Foods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Phanwipa%20Pangsri">Phanwipa Pangsri</a>, <a href="https://publications.waset.org/search?q=Yawariyah%20Weahayee"> Yawariyah Weahayee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The lactic acid bacteria (LAB) were isolated from 10 samples of fermented foods (Sa-tor-dong and Bodo) in South locality of Thailand. The 23 isolates of lactic acid bacteria were selected, which were exhibited a clear zone and growth on MRS agar supplemented with CaCO3. All of lactic acid bacteria were tested on morphological and biochemical. The result showed that all isolates were Gram’s positive, non-spore forming but only 10 isolates displayed catalase negative. The 10 isolates including BD1 .1, BD 1.2, BD 2.1, BD2.2, BD 2.3, BD 3.1, BD 4.1, BD 5.2, ST 4.1 and ST 5.2 were selected for inhibition activity determination. Only 2 strains (ST 4.1 and BD 2.3) showed inhibition zone on agar, when using Escherichia coli sp. as target strain. The ST 4.1 showed highest inhibition zone on agar, which was selected for probiotic property testing. The ST4.1 isolate could grow in MRS broth containing a high concentration of sodium chloride 6%, bile salts 7%, pH 4-10 and vary temperature at 15-45°C.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Lactic%20acid%20bacteria" title="Lactic acid bacteria">Lactic acid bacteria</a>, <a href="https://publications.waset.org/search?q=Probiotic" title=" Probiotic"> Probiotic</a>, <a href="https://publications.waset.org/search?q=Antimicrobial." title=" Antimicrobial."> Antimicrobial.</a> </p> <a href="https://publications.waset.org/9999586/preliminary-study-of-antimicrobial-activity-against-escherichia-coli-and-probiotic-properties-of-lactic-acid-bacteria-isolated-from-thailand-fermented-foods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999586/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999586/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999586/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999586/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999586/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999586/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999586/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999586/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999586/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999586/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999586.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2581</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">251</span> An Overview of the Factors Affecting Microbial-Induced Calcite Precipitation and its Potential Application in Soil Improvement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Wei-Soon%20Ng">Wei-Soon Ng</a>, <a href="https://publications.waset.org/search?q=Min-Lee%20Lee"> Min-Lee Lee</a>, <a href="https://publications.waset.org/search?q=Siew-Ling%20Hii"> Siew-Ling Hii</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbial-induced calcite precipitation (MICP) is a relatively green and sustainable soil improvement technique. It utilizes biochemical process that exists naturally in soil to improve engineering properties of soils. The calcite precipitation process is uplifted by the mean of injecting higher concentration of urease positive bacteria and reagents into the soil. The main objective of this paper is to provide an overview of the factors affecting the MICP in soil. Several factors were identified including nutrients, bacteria type, geometric compatibility of bacteria, bacteria cell concentration, fixation and distribution of bacteria in soil, temperature, reagents concentration, pH, and injection method. These factors were found to be essential for promoting successful MICP soil treatment. Furthermore, a preliminary laboratory test was carried out to investigate the potential application of the technique in improving the shear strength and impermeability of a residual soil specimen. The results showed that both shear strength and impermeability of residual soil improved significantly upon MICP treatment. The improvement increased with increasing soil density. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bacteria" title="Bacteria">Bacteria</a>, <a href="https://publications.waset.org/search?q=biocementation" title=" biocementation"> biocementation</a>, <a href="https://publications.waset.org/search?q=bioclogging" title=" bioclogging"> bioclogging</a>, <a href="https://publications.waset.org/search?q=calcite%0Aprecipitation" title=" calcite precipitation"> calcite precipitation</a>, <a href="https://publications.waset.org/search?q=soil%20improvement." title=" soil improvement."> soil improvement.</a> </p> <a href="https://publications.waset.org/15246/an-overview-of-the-factors-affecting-microbial-induced-calcite-precipitation-and-its-potential-application-in-soil-improvement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15246/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15246/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15246/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15246/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15246/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15246/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15246/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15246/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15246/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15246/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15246.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5951</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">250</span> Antibacterial Activity of Lactic Acid Bacteria Isolated from Table Olives against Skin Pathogens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Shafighi">M. Shafighi</a>, <a href="https://publications.waset.org/search?q=Z.%20Emami"> Z. Emami</a>, <a href="https://publications.waset.org/search?q=M.%20Shahsanaei"> M. Shahsanaei</a>, <a href="https://publications.waset.org/search?q=E.%20Khaliliyan"> E. Khaliliyan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to assess the effect of LAB isolated from Iranian native olives on the opportunistic skin pathogens, Pseudomonas aeruginosa and Staphylococcus aureus. Lactic Acid Bacteria were isolated from the brine of each sample in the prior of time. The samples were spread on MRS agar for isolation of lactobacillus and for lactococcus. 28 strains of labs were isolated. The labs were centrifuged, the supernatant was strewed and pellet was used to inoculation in wells or at blank disks. 20μl of each pellet was inoculated to blank disks and 40μl of each pellet was inoculated to each well. The result of disk and well diffusion agar against these pathogens were confirmed each other. The size of inhibition zone was different according to the type of bacteria, the method and the concentrations of labs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Olive" title="Olive">Olive</a>, <a href="https://publications.waset.org/search?q=Probiotic" title=" Probiotic"> Probiotic</a>, <a href="https://publications.waset.org/search?q=Lactic%20Acid%20Bacteria%20%28LAB%29" title=" Lactic Acid Bacteria (LAB)"> Lactic Acid Bacteria (LAB)</a>, <a href="https://publications.waset.org/search?q=P.aeroginosa%20and%20S.aureus" title=" P.aeroginosa and S.aureus"> P.aeroginosa and S.aureus</a> </p> <a href="https://publications.waset.org/10500/antibacterial-activity-of-lactic-acid-bacteria-isolated-from-table-olives-against-skin-pathogens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10500/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10500/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10500/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10500/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10500/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10500/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10500/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10500/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10500/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10500/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10500.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2096</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">249</span> Bacteria Flora in the Gut and Respiratory Organs of Clarias gariepinus in Fresh and Brackish Water Habitats of Ondo State, South/West Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Nelson%20R.%20Osungbemiro">Nelson R. Osungbemiro</a>, <a href="https://publications.waset.org/search?q=Rafiu%20O.%20Sanni"> Rafiu O. Sanni</a>, <a href="https://publications.waset.org/search?q=Rotimi%20F.%20Olaniyan"> Rotimi F. Olaniyan</a>, <a href="https://publications.waset.org/search?q=Abayomi%20O.%20Olajuyigbe"> Abayomi O. Olajuyigbe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Bacteria flora of <em>Clarias gariepinus </em>collected from two natural habitats namely Owena River (freshwater) and Igbokoda lagoon (brackish water) were examined using standard microbiological procedures. Thirteen bacterial species were identified. The result indicated that from the identified bacteria isolated, <em>Vibrio </em>sp<em>, Proteus </em>sp<em>. Shigella </em>sp<em>.</em> and <em>E. coli</em> were present in both habitats (fresh and brackish waters). Others were habitat-selective such as <em>Salmonella </em>sp., <em>Pseudomonas </em>sp, <em>Enterococcus </em>sp<em>, Staphylococcus </em>sp. that were found only in freshwater habitat. While <em>Branhamella </em>sp<em>, Streptococcus </em>sp. and <em>Micrococcus</em> sp. were found in brackish water habitat. Bacteria load from Owena river (freshwater) was found to be the highest load recorded at 6.21 x 10<sup>4</sup>cfu. T-test analysis also revealed that there was a marked significant difference between bacterial load in guts of sampled <em>Clarias</em> from fresh water and brackish water habitats.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bacteria%20flora" title="Bacteria flora">Bacteria flora</a>, <a href="https://publications.waset.org/search?q=gut" title=" gut"> gut</a>, <a href="https://publications.waset.org/search?q=Clarias%20gariepinus" title=" Clarias gariepinus"> Clarias gariepinus</a>, <a href="https://publications.waset.org/search?q=Owena%20river" title=" Owena river"> Owena river</a> </p> <a href="https://publications.waset.org/9998366/bacteria-flora-in-the-gut-and-respiratory-organs-of-clarias-gariepinus-in-fresh-and-brackish-water-habitats-of-ondo-state-southwest-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998366/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998366/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998366/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998366/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998366/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998366/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998366/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998366/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998366/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998366/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998366.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2728</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">248</span> The Effect of Sodium Chloride and pH on the Antimicrobial Effectiveness of Essential Oils Against Pathogenic and Food Spoilage Bacteria:Implications in Food Safety</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20O.%20Angienda">P. O. Angienda</a>, <a href="https://publications.waset.org/search?q=D.%20J.%20Hill"> D. J. Hill</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The purpose of this study was to elucidate the factors affecting antimicrobial effectiveness of essential oils against food spoilage and pathogenic bacteria. The minimum inhibition concentrations (MIC) of the essential oils, were determined by turbidimetric technique using Biocreen C, analyzer. The effects of pH ranging from 7.3 to 5.5 in absence and presence of essential oils and/or NaCl on the lag time and mean generation time of the bacteria at 370C, were carried out and results were determined showed that, combination of low pH and essential oil at 370C had additive effects against the test micro-organisms. The combination of 1.2 % (w/v) of NaCl and clove essential oil at 0.0325% (v/v) was effective against E. coli. The use of concentrations less than MIC in combination with low pH and or NaCl has the potential of being used as an alternative to “traditional food preservatives".</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Antimicrobial" title="Antimicrobial">Antimicrobial</a>, <a href="https://publications.waset.org/search?q=Bacteria" title=" Bacteria"> Bacteria</a>, <a href="https://publications.waset.org/search?q=Bioscreen%20C" title=" Bioscreen C"> Bioscreen C</a>, <a href="https://publications.waset.org/search?q=essential%20oil." title=" essential oil."> essential oil.</a> </p> <a href="https://publications.waset.org/11623/the-effect-of-sodium-chloride-and-ph-on-the-antimicrobial-effectiveness-of-essential-oils-against-pathogenic-and-food-spoilage-bacteriaimplications-in-food-safety" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11623/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11623/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11623/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11623/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11623/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11623/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11623/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11623/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11623/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11623/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11623.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">4848</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">247</span> Detection of Airborne Bacteria and Mildew in the Shanghai Metro System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Feng%20Zhou">Feng Zhou</a>, <a href="https://publications.waset.org/search?q=Yuyan%20Wang"> Yuyan Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to detect and to identify the main strains of airborne microorganisms present in the Shanghai Metro system. Samples were collected using agar plates exposed to the air and microorganisms were identified using catalase, plasma coagulase and hymolytic analysis. The results show that the concentration of mildew present within a newly opened metro line was significantly higher than for other lines. Differences among underground and elevated stations can be attributed to differences in passenger flow and the environment surrounding the stations. Additionally, the investigation indicated that bacteria reached maximum levels at different times on weekdays and weekends. The bacteria in the Metro stations were identified as primarily Gram positive, consisting mainly of coagulase-negative staphylococcus strains (CNS). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bacteria" title="Bacteria">Bacteria</a>, <a href="https://publications.waset.org/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/search?q=Metro%20system" title=" Metro system"> Metro system</a>, <a href="https://publications.waset.org/search?q=mildew" title=" mildew"> mildew</a>, <a href="https://publications.waset.org/search?q=passenger%20flow" title=" passenger flow"> passenger flow</a> </p> <a href="https://publications.waset.org/538/detection-of-airborne-bacteria-and-mildew-in-the-shanghai-metro-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/538/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/538/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/538/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/538/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/538/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/538/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/538/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/538/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/538/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/538/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/538.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2021</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">246</span> New Effective Strains of Bacteria Bacillus thuringiensis ssp. israelensis for Bloodsucking Mosquito Control</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=L.%20S.%20Markosyan">L. S. Markosyan</a>, <a href="https://publications.waset.org/search?q=L.%20A.%20Ganushkina"> L. A. Ganushkina</a>, <a href="https://publications.waset.org/search?q=N.%20S.%20Vardanyan"> N. S. Vardanyan</a>, <a href="https://publications.waset.org/search?q=K.%20V.%20Harutyunova"> K. V. Harutyunova</a>, <a href="https://publications.waset.org/search?q=M.%20V.%20Harutyunova"> M. V. Harutyunova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Five original strains of entomopathogenic bacteria with insecticidal activity against mosquito larvae of the genera Aedes, Culex and Anopheles have been isolated from natural conditions in Armenia and characterized. According to morphological, physiological and biochemical parameters, all isolates were identified as Bacillus thuringiensis spp. israelensis (Bti). High larvicidal activity has been showed by three strains Bti. These strains can be recommended for industrial production of bacterial preparations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Armenia" title="Armenia">Armenia</a>, <a href="https://publications.waset.org/search?q=Bacillus%20thuringiensis%20ssp.%20israelensis" title=" Bacillus thuringiensis ssp. israelensis"> Bacillus thuringiensis ssp. israelensis</a>, <a href="https://publications.waset.org/search?q=bloodsucking%20mosquito%20control" title=" bloodsucking mosquito control"> bloodsucking mosquito control</a>, <a href="https://publications.waset.org/search?q=new%20effective%20strains%20of%20bacteria." title=" new effective strains of bacteria."> new effective strains of bacteria.</a> </p> <a href="https://publications.waset.org/10477/new-effective-strains-of-bacteria-bacillus-thuringiensis-ssp-israelensis-for-bloodsucking-mosquito-control" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10477/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10477/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10477/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10477/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10477/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10477/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10477/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10477/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10477/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10477/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10477.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2079</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">245</span> Numbers and Biomass of Bacteria and Fungi Obtained by the Direct Microscopic Count Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ayuko%20Itsuki">Ayuko Itsuki</a>, <a href="https://publications.waset.org/search?q=Sachiyo%20Aburatani"> Sachiyo Aburatani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The soil ecology of the organic and mineral soil layers of laurel-leaved and Cryptomeria japonica forest in the Kasuga-yama Hill Primeval Forest (Nara, Japan) was assessed. The number of bacteria obtained by the dilution plate count method was less than 0.05% of those counted by the direct microscopic count. We therefore found that forest soil contains large numbers of non-culturable bacteria compared with agricultural soils. The numbers of bacteria and fungi obtained by both the dilution plate count and the direct microscopic count were larger in the deeper horizons (F and H) of the organic layer than in the mineral soil layer. This suggests that active microbial metabolism takes place in the organic layer. The numbers of bacteria and the length of fungal hyphae obtained by the direct count method were greater in the H horizon than in the F horizon. The direct microscopic count revealed numerous non-culturable bacteria and fungi in the soil. The ratio of fungal to bacterial biomass was lower in the laurel-leaved forest soil. The fungal biomass was therefore relatively low in the laurel-leaved forest soil due to differences in forest vegetation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Bacterial%20number" title="Bacterial number">Bacterial number</a>, <a href="https://publications.waset.org/search?q=Dilution%20plate%20count" title=" Dilution plate count"> Dilution plate count</a>, <a href="https://publications.waset.org/search?q=Direct%0Amicroscopic%20count" title=" Direct microscopic count"> Direct microscopic count</a>, <a href="https://publications.waset.org/search?q=Forest%20soil." title=" Forest soil."> Forest soil.</a> </p> <a href="https://publications.waset.org/9281/numbers-and-biomass-of-bacteria-and-fungi-obtained-by-the-direct-microscopic-count-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9281/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9281/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9281/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9281/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9281/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9281/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9281/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9281/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9281/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9281/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9281.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">3771</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">244</span> Microbiological Contamination of Outdoor Air in Marine Durres's Harbour, Albania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Laura%20Gjyli">Laura Gjyli</a>, <a href="https://publications.waset.org/search?q=Pirro%20Prifti"> Pirro Prifti</a>, <a href="https://publications.waset.org/search?q=Lindita%20Mukli"> Lindita Mukli</a>, <a href="https://publications.waset.org/search?q=Silvana%20Gjyli"> Silvana Gjyli</a>, <a href="https://publications.waset.org/search?q=Irida%20Ikonomi"> Irida Ikonomi</a>, <a href="https://publications.waset.org/search?q=Jerina%20Kolitari"> Jerina Kolitari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Microbial air contamination of the outdoor air in Marine Durres-s Harbour (Durres, Albania) was estimated by sedimentation technique in August-October 2008. The sampling areas were: Ferry Terminal (FT), Fishery Harbor (FH), East Zone (EZ), Fuel Quay (FQ) and Apollonian Beach (AB). The aim of this study was to measure the number of aerobic plate count (mesophilic aerobic bacteria) and fungi (yeasts and molds) in the outdoor air in these areas. The number of colonies that were formed determines the number of cells at the moment in the outdoor air; respectively the number of mesophilic aerobic bacteria and yeasts and molds. The measure of bacteria and fungi used is CFU (Colony Forming Units) per Petri dish. It is said that marine harbours are very polluted areas. The aim of study was the definition of mesophilic aerobic bacteria and yeasts and molds number, and the comparison of microorganisms number in air sampling areas.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Air%20microbiology" title="Air microbiology">Air microbiology</a>, <a href="https://publications.waset.org/search?q=colony%20forming%20units" title=" colony forming units"> colony forming units</a>, <a href="https://publications.waset.org/search?q=Marine%20Durres%27s%20Harbour" title=" Marine Durres's Harbour"> Marine Durres's Harbour</a>, <a href="https://publications.waset.org/search?q=mesophilic%20aerobic%20bacteria" title=" mesophilic aerobic bacteria"> mesophilic aerobic bacteria</a>, <a href="https://publications.waset.org/search?q=outdoor%20air" title=" outdoor air"> outdoor air</a>, <a href="https://publications.waset.org/search?q=yeasts%20and%20molds." title=" yeasts and molds."> yeasts and molds.</a> </p> <a href="https://publications.waset.org/15673/microbiological-contamination-of-outdoor-air-in-marine-durress-harbour-albania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/15673/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/15673/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/15673/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/15673/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/15673/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/15673/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/15673/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/15673/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/15673/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/15673/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/15673.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2742</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">243</span> Study of the Antimicrobial Activity of Aminoreductone against Pathogenic Bacteria in Comparison with Other Antibiotics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Vu%20Thu%20Trang">Vu Thu Trang</a>, <a href="https://publications.waset.org/search?q=Lam%20Xuan%20Thanh"> Lam Xuan Thanh</a>, <a href="https://publications.waset.org/search?q=Samira%20Sarter"> Samira Sarter</a>, <a href="https://publications.waset.org/search?q=Tomoko%20Shimamura"> Tomoko Shimamura</a>, <a href="https://publications.waset.org/search?q=Hiroaki%20Takeuchi%E3%80%80"> Hiroaki Takeuchi　</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Antimicrobial activities of aminoreductone (AR), a product formed in the initial stage of Maillard reaction, were screened against pathogenic bacteria. A significant growth inhibition of AR against all 7 isolates<em> (Staphylococcus aureus ATCC® 25923™, Salmonella typhimurium ATCC® 14028™, Bacillus cereus ATCC® 13061™, Bacillus subtilis ATCC® 11774™, Escherichia coli ATCC® 25922™, Enterococcus faecalis ATCC® 29212™, Listeria innocua ATCC® 33090™</em>) were observed by the standard disc diffusion methods. The inhibition zone for each isolate by AR (2.5 mg) ranged from 15±0mm to 28.3±0.4mm in diameter. The minimum inhibitory concentration (MIC) of AR ranging from 20mM to 26mM was proven in the 7 isolates tested. AR also showed the similar effect of growth inhibition in comparison with antibiotics frequently used for the treatment of infections bacteria, such as amikacin, ciprofloxacin, meropennem and levofloxacin. The results indicated that foods containing AR are valuable sources of bioactive compounds towards pathogenic bacteria.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Pathogenic%20bacteria" title="Pathogenic bacteria">Pathogenic bacteria</a>, <a href="https://publications.waset.org/search?q=aminoreductone" title=" aminoreductone"> aminoreductone</a>, <a href="https://publications.waset.org/search?q=Maillard%20reaction" title=" Maillard reaction"> Maillard reaction</a>, <a href="https://publications.waset.org/search?q=antimicrobial%20activity." title=" antimicrobial activity."> antimicrobial activity.</a> </p> <a href="https://publications.waset.org/9996734/study-of-the-antimicrobial-activity-of-aminoreductone-against-pathogenic-bacteria-in-comparison-with-other-antibiotics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9996734/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9996734/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9996734/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9996734/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9996734/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9996734/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9996734/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9996734/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9996734/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9996734/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9996734.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2304</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">242</span> Smart Motion </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Arpita%20Soni">Arpita Soni</a>, <a href="https://publications.waset.org/search?q=Sapna%20Mittal"> Sapna Mittal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Austenite and Martensite indicate the phases of solids undergoing phase transformation which we usually associate with materials and not with living organisms. This article provides an overview of bacterial proteins and structures that are undergoing phase transformation and suggests its probable effect on mechanical behavior. The context is mainly within the role of phase transformations occurring in the flagellum of bacteria. The current knowledge of molecular mechanism leading to phase variation in living organisms is reviewed. Since in bacteria, each flagellum is driven by a separate motor, similarity to a Differential drive in case of four-wheeled vehicles is suggested. It also suggests the application of the mechanism in which bacteria changes its direction of movement to facilitate single point turning of a multi-wheeled vehicle. Finally, examples are presented to illustrate that the motion due to phase transformation of flagella in bacteria can start a whole new research on motion mechanisms.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Flagella" title="Flagella">Flagella</a>, <a href="https://publications.waset.org/search?q=Phase%20Transformation" title=" Phase Transformation"> Phase Transformation</a>, <a href="https://publications.waset.org/search?q=Nanobots" title=" Nanobots"> Nanobots</a>, <a href="https://publications.waset.org/search?q=Differential%20Drive" title=" Differential Drive"> Differential Drive</a>, <a href="https://publications.waset.org/search?q=Single%20point%20turn" title=" Single point turn"> Single point turn</a>, <a href="https://publications.waset.org/search?q=Biomimetics" title=" Biomimetics"> Biomimetics</a> </p> <a href="https://publications.waset.org/7958/smart-motion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/7958/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/7958/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/7958/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/7958/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/7958/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/7958/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/7958/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/7958/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/7958/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/7958/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/7958.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1570</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">241</span> Influence of S. carnosus Bacteria as Biocollector for the Recovery Organic Matter in the Flotation Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=G.%20T.%20Ramos-Escobedo">G. T. Ramos-Escobedo</a>, <a href="https://publications.waset.org/search?q=E.%20T.%20Pecina-Trevi%C3%B1o"> E. T. Pecina-Treviño</a>, <a href="https://publications.waset.org/search?q=L.%20F.%20Camacho-Ortegon"> L. F. Camacho-Ortegon</a>, <a href="https://publications.waset.org/search?q=E.%20Orrantia-Borunda"> E. Orrantia-Borunda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The mineral bioflotation represents a viable alternative for the evaluation of new processes benefit alternative. The adsorption bacteria on minerals surfaces will depend mainly on the type of the microorganism as well as of the studied mineral surface. In the current study, adhesion of S. carnosus on coal was studied. Several methods were used as: DRX, Fourier Transform Infra-Red (FTIR) adhesion isotherms and kinetic. The main goal is to recovery of organic matter by the microflotation process on coal particles with biological reagent (S. carnosus). Adhesion tests revealed that adhesion took place after of 8 h at pH 9. The results suggest that the adhesion of bacteria to solid substrates can be considered an abiotic physicochemical process that is consequently governed by bacterial surface properties such as their specific surface area, hydrophobicity and surface functionalities. The greatest coal fine flotability was of 75%, after 5 min of flotation.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Fine%20Coal" title="Fine Coal">Fine Coal</a>, <a href="https://publications.waset.org/search?q=Bacteria" title=" Bacteria"> Bacteria</a>, <a href="https://publications.waset.org/search?q=Adhesion" title=" Adhesion"> Adhesion</a>, <a href="https://publications.waset.org/search?q=recovery%20matter%0D%0Aorganic." title=" recovery matter organic."> recovery matter organic.</a> </p> <a href="https://publications.waset.org/9999561/influence-of-s-carnosus-bacteria-as-biocollector-for-the-recovery-organic-matter-in-the-flotation-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999561/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999561/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999561/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999561/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999561/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999561/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999561/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999561/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999561/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999561/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999561.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2085</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">240</span> Removal of Heavy Metals from Rainwater in Batch Reactors with Sulphate Reducing Bacteria (SRB)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdulsalam%20I.%20Rafida">Abdulsalam I. Rafida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of this research was to investigate the biosorption capacity for biofilms of sulphate reducing bacteria (SRB) to remove heavy metals, such as Zn, Pb and Cd from rainwater using laboratory-scale reactors containing mixed support media. Evidence showed that biosorption had contributed to removal of heavy metals including Zn, Pb and Cd in presence of SRB and SRB were also found in the aqueous samples from reactors. However, the SRB and specific families (Desulfobacteriaceae and Desulfovibrionaceae) were found mainly in the biomass samples taken from all reactors at the end of the experiment. EDX-analysis of reactor solids at end of experiment showed that heavy metals Zn, Pb and Cd had also accumulated in these precipitates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Sulphate%20reducing%20bacteria%20%28SRB%29" title="Sulphate reducing bacteria (SRB)">Sulphate reducing bacteria (SRB)</a>, <a href="https://publications.waset.org/search?q=biosorption%0Acapacity." title=" biosorption capacity."> biosorption capacity.</a> </p> <a href="https://publications.waset.org/4250/removal-of-heavy-metals-from-rainwater-in-batch-reactors-with-sulphate-reducing-bacteria-srb" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/4250/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/4250/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/4250/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/4250/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/4250/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/4250/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/4250/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/4250/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/4250/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/4250/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/4250.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1447</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">239</span> Characterization of Silica Nanoparticles in Interaction with Escherichia coli Bacteria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ibtissem%20Gammoudi">Ibtissem Gammoudi</a>, <a href="https://publications.waset.org/search?q=Ndeye%20Rokhaya%20Faye"> Ndeye Rokhaya Faye</a>, <a href="https://publications.waset.org/search?q=Fabien%20Morot%C3%A9"> Fabien Moroté</a>, <a href="https://publications.waset.org/search?q=Daniel%20Moynet"> Daniel Moynet</a>, <a href="https://publications.waset.org/search?q=Christine%20Grauby-Heywang"> Christine Grauby-Heywang</a>, <a href="https://publications.waset.org/search?q=Touria%20Cohen-Bouhacina"> Touria Cohen-Bouhacina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The objective of the present investigation was to evaluate the morphology of Escherchia coli bacteria in interaction with SiO2 nanoparticles. This study was made by atomic force microscopy and quartz crystal microbalance using SiO2 nanoparticles with 10nm, 50nm and 100nm diameter and bacteria immobilized on polyelectrolyte multilayer films obtained by spin coating or by “layer by layer” (LbL) method.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Atomic%20Force%20Microscopy" title="Atomic Force Microscopy">Atomic Force Microscopy</a>, <a href="https://publications.waset.org/search?q=Escherichia%20coli" title=" Escherichia coli"> Escherichia coli</a>, <a href="https://publications.waset.org/search?q=Quartz%0D%0ACrystal%20Microbalance" title=" Quartz Crystal Microbalance"> Quartz Crystal Microbalance</a>, <a href="https://publications.waset.org/search?q=polyelectrolyte" title=" polyelectrolyte"> polyelectrolyte</a>, <a href="https://publications.waset.org/search?q=silica%20nanoparticle." title=" silica nanoparticle."> silica nanoparticle.</a> </p> <a href="https://publications.waset.org/16368/characterization-of-silica-nanoparticles-in-interaction-with-escherichia-coli-bacteria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16368/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16368/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16368/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16368/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16368/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16368/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16368/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16368/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16368/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16368/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16368.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2682</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">238</span> Antimicrobial Properties of Copper in Gram-Negative and Gram-Positive Bacteria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Travis%20J.%20Meyer">Travis J. Meyer</a>, <a href="https://publications.waset.org/search?q=Jasodra%20Ramlall"> Jasodra Ramlall</a>, <a href="https://publications.waset.org/search?q=Phyo%20Thu"> Phyo Thu</a>, <a href="https://publications.waset.org/search?q=Nidhi%20Gadura"> Nidhi Gadura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>For centuries humans have used the antimicrobial properties of copper to their advantage. Yet, after all these years the underlying mechanisms of copper mediated cell death in various microbes remain unclear. We had explored the hypothesis that copper mediated increased levels of lipid peroxidation in the membrane fatty acids is responsible for increased killing in Escherichia coli. In this study we show that in both gram positive (Staphylococcus aureus) and gram negative (Pseudomonas aeruginosa) bacteria there is a strong correlation between copper mediated cell death and increased levels of lipid peroxidation. Interestingly, the non-spore forming gram positive bacteria as well as gram negative bacteria show similar patterns of cell death, increased levels of lipid peroxidation, as well as genomic DNA degradation, however there is some difference in loss in membrane integrity upon exposure to copper alloy surface.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Antimicrobial" title="Antimicrobial">Antimicrobial</a>, <a href="https://publications.waset.org/search?q=copper" title=" copper"> copper</a>, <a href="https://publications.waset.org/search?q=gram%20positive" title=" gram positive"> gram positive</a>, <a href="https://publications.waset.org/search?q=gram%20negative." title=" gram negative."> gram negative.</a> </p> <a href="https://publications.waset.org/10000728/antimicrobial-properties-of-copper-in-gram-negative-and-gram-positive-bacteria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000728/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000728/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000728/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000728/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000728/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000728/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000728/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000728/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000728/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000728/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000728.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">5593</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">237</span> Bacteriological Screening and Antibiotic – Heavy Metal Resistance Profile of the Bacteria Isolated from Some Amphibian and Reptile Species of the Biga Stream in Turkey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Nurcihan%20Hacioglu">Nurcihan Hacioglu</a>, <a href="https://publications.waset.org/search?q=Cigdem%20Gul"> Cigdem Gul</a>, <a href="https://publications.waset.org/search?q=Murat%20Tosunoglu"> Murat Tosunoglu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>In this article, the antibiogram and heavy metal resistance profile of the bacteria isolated from total 34 studied animals (Pelophylax ridibundus = 12; Mauremys rivulata = 14; Natrix natrix = 8) captured around the Biga Stream, are described. There was no database information on antibiogram and heavy metal resistance profile of bacteria from these area’s amphibians and reptiles. A total of 200 bacteria were successfully isolated from cloaca and oral samples of the aquatic amphibians and reptiles as well as from the water sample. According to Jaccard’s similarity index, the degree of similarity in the bacterial flora was quite high among the amphibian and reptile species under examination, whereas it was different from the bacterial diversity in the water sample. The most frequent isolates were A. hydrophila (31.5%), B. pseudomallei (8.5%), and C. freundii (7%). The total numbers of bacteria obtained were as follows: 45 in P. ridibundus, 45 in N. natrix 30 in M. rivulata, and 80 in the water sample. The result showed that cefmetazole was the most effective antibiotic to control the bacteria isolated in this study and that approximately 93.33% of the bacterial isolates were sensitive to this antibiotic. The multiple antibiotic resistances (MAR) index indicated that P. ridibundus (0.95) > N. natrix (0.89) > M. rivulata (0.39). Furthermore, all the tested heavy metals (Pb+2, Cu+2, Cr+3, and Mn+2) inhibit the growth of the bacterial isolates at different rates. Therefore, it indicated that the water source of the animals was contaminated with both antibiotic residues and heavy metals.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Amphibian" title="Amphibian">Amphibian</a>, <a href="https://publications.waset.org/search?q=Bacteriological%20Quality" title=" Bacteriological Quality"> Bacteriological Quality</a>, <a href="https://publications.waset.org/search?q=Reptile" title=" Reptile"> Reptile</a>, <a href="https://publications.waset.org/search?q=Antibiotic%20%26%20Heavy%20Metal%20Resistance." title=" Antibiotic & Heavy Metal Resistance."> Antibiotic & Heavy Metal Resistance.</a> </p> <a href="https://publications.waset.org/10001232/bacteriological-screening-and-antibiotic-heavy-metal-resistance-profile-of-the-bacteria-isolated-from-some-amphibian-and-reptile-species-of-the-biga-stream-in-turkey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001232/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001232/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001232/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001232/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001232/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001232/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001232/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001232/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001232/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001232/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001232.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2246</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">236</span> Production of Glucose from the Hydrolysis of Cassava Residue using Bacteria Isolates from Thai Higher Termites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Pitcha%20Wongskeo">Pitcha Wongskeo</a>, <a href="https://publications.waset.org/search?q=Pramoch%20Rangsunvigit"> Pramoch Rangsunvigit</a>, <a href="https://publications.waset.org/search?q=Sumaeth%20Chavadej"> Sumaeth Chavadej</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The possibility of using cassava residue containing 49.66% starch, 21.47% cellulose, 12.97% hemicellulose, and 21.86% lignin as a raw material to produce glucose using enzymatic hydrolysis was investigated. In the experiment, each reactor contained the cassava residue, bacteria cells, and production medium. The effects of particles size (40 mesh and 60 mesh) and strains of bacteria (A002 and M015) isolated from Thai higher termites, Microcerotermes sp., on the glucose concentration at 37°C were focused. High performance liquid chromatography (HPLC) with a refractive index detector was used to determine the quantity of glucose. The maximum glucose concentration obtained at 37°C using strain A002 and 60 mesh of the cassava residue was 1.51 g/L at 10 h. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrolysis" title="Hydrolysis">Hydrolysis</a>, <a href="https://publications.waset.org/search?q=termites" title=" termites"> termites</a>, <a href="https://publications.waset.org/search?q=glucose" title=" glucose"> glucose</a>, <a href="https://publications.waset.org/search?q=cassava" title=" cassava"> cassava</a> </p> <a href="https://publications.waset.org/752/production-of-glucose-from-the-hydrolysis-of-cassava-residue-using-bacteria-isolates-from-thai-higher-termites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/752/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/752/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/752/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/752/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/752/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/752/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/752/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/752/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/752/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/752/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/752.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2456</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">235</span> Synthesis of Sterile and Pyrogen Free Biogenic Magnetic Nanoparticles: Biotechnological Potential of Magnetotactic Bacteria for Production of Nanomaterials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Saeid%20Ghorbanzadeh-Mashkani">Saeid Ghorbanzadeh-Mashkani</a>, <a href="https://publications.waset.org/search?q=Parisa%20Tajer-Mohammad-Ghazvini"> Parisa Tajer-Mohammad-Ghazvini</a>, <a href="https://publications.waset.org/search?q=Ahmad%20Nozad-Golikand"> Ahmad Nozad-Golikand</a>, <a href="https://publications.waset.org/search?q=Rouha%20Kasra-Kermanshahi"> Rouha Kasra-Kermanshahi</a>, <a href="https://publications.waset.org/search?q=Mohammad-Reza%20Davarpanah"> Mohammad-Reza Davarpanah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today, biogenic magnetite nanoparticles among magnetic nanoparticles have unique attracted attention because of their magnetic characteristics and potential applications in various fields such as therapeutic and diagnostic. A well known example of these biogenic nanoparticles is magnetosomes of magnetotactic bacteria. In this research, we used two different types of technique for the isolation and purification of magnetosome nanoparticles from the isolated magnetotactic bacterial cells, heat-alkaline treatment and sonication. Also we evaluated pyrogen content and sterility of synthesized the isolated individual magnetosome by the Limulus Amoebocyte Lysate test and direct impedimetric method respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biogenic%20magnetic%20nanoparticles" title="Biogenic magnetic nanoparticles">Biogenic magnetic nanoparticles</a>, <a href="https://publications.waset.org/search?q=Magnetosome" title=" Magnetosome"> Magnetosome</a>, <a href="https://publications.waset.org/search?q=Magnetotactic%20bacteria" title=" Magnetotactic bacteria"> Magnetotactic bacteria</a>, <a href="https://publications.waset.org/search?q=Nanobiotechnology" title=" Nanobiotechnology"> Nanobiotechnology</a> </p> <a href="https://publications.waset.org/2852/synthesis-of-sterile-and-pyrogen-free-biogenic-magnetic-nanoparticles-biotechnological-potential-of-magnetotactic-bacteria-for-production-of-nanomaterials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/2852/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/2852/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/2852/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/2852/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/2852/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/2852/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/2852/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/2852/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/2852/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/2852/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/2852.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2889</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">234</span> Spent Caustic Bioregeneration by using Thiobacillus denitrificans Bacteria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sayed%20Reza%20Hashemi">Sayed Reza Hashemi</a>, <a href="https://publications.waset.org/search?q=Amir%20Heidarinasab"> Amir Heidarinasab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spent Sulfidic Caustic was biologically treated and regenerated for reusing by Thiobacillus denitrificans bacteria, sulfide content oxidized and RSNa reduced dramatically.PH in this test was 11.8 and no neutralization has been done on spent caustic, so spent caustic as the most difficult of industrial wastes to dispose could be regenerate and reuse instead of disposing to sea or deep wells <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Spent%20Caustic" title="Spent Caustic">Spent Caustic</a>, <a href="https://publications.waset.org/search?q=Thiobacillus%20denitrificans" title=" Thiobacillus denitrificans"> Thiobacillus denitrificans</a>, <a href="https://publications.waset.org/search?q=Bioregeneration" title=" Bioregeneration"> Bioregeneration</a> </p> <a href="https://publications.waset.org/2962/spent-caustic-bioregeneration-by-using-thiobacillus-denitrificans-bacteria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/2962/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/2962/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/2962/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/2962/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/2962/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/2962/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/2962/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/2962/ris" target="_blank" rel="nofollow" class="btn 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