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linking</title> <meta name="description" content="Search results for: linking"> <meta name="keywords" content="linking"> <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> <button class="d-block d-lg-none navbar-toggler ml-auto" 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="linking"> <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> 374</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: linking</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">374</span> Overuse Equals to Low Proficiency Level in English: A Corpus-Based Study on the Use of Linking Adverbials between Male and Female Speakers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tsungming%20Wu">Tsungming Wu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper investigates the use of linking adverbials between native male speakers and female speakers in their presentation. From previous studies, overuse of linking adverbials may be an indicator of the low proficiency level in English. In this study, female speakers are found to use more linking adverbials in general. However, the overuse of linking adverbials found in female speakers’ speeches does not imply female speakers’ lower English proficiency, but imply different approaches that male and female speakers adopt in dealing with their presentation tasks. Female speakers are found to be more interactional, leading to their more uses of interactive devices in the presenting process. On the other hand, male speakers take different approaches in dealing with their tasks. Male speakers try to be authoritative and amicable at the same time, resulting in the uses of both interactive devices and distancing devices in their speeches. The paper specifically presents and compares the use of the linking adverbial items, actually and so, in male speakers’ and female speakers’ speeches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LAs" title="LAs">LAs</a>, <a href="https://publications.waset.org/abstracts/search?q=linking%20adverbial" title=" linking adverbial"> linking adverbial</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20proficiency" title=" low proficiency"> low proficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=overuse" title=" overuse"> overuse</a> </p> <a href="https://publications.waset.org/abstracts/48840/overuse-equals-to-low-proficiency-level-in-english-a-corpus-based-study-on-the-use-of-linking-adverbials-between-male-and-female-speakers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48840.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">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">373</span> Neighborhood Linking Social Capital as a Predictor of Drug Abuse: A Swedish National Cohort Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=X.%20Li">X. Li</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Sundquist"> J. Sundquist</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Sj%C3%B6stedt"> C. Sjöstedt</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Winkleby"> M. Winkleby</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20S.%20Kendler"> K. S. Kendler</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Sundquist"> K. Sundquist</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aims: This study examines the association between the incidence of drug abuse (DA) and linking (communal) social capital, a theoretical concept describing the amount of trust between individuals and societal institutions. Methods: We present results from an 8-year population-based cohort study that followed all residents in Sweden, aged 15-44, from 2003 through 2010, for a total of 1,700,896 men and 1,642,798 women. Social capital was conceptualized as the proportion of people in a geographically defined neighborhood who voted in local government elections. Multilevel logistic regression was used to estimate odds ratios (ORs) and between-neighborhood variance. Results: We found robust associations between linking social capital (scored as a three level variable) and DA in men and women. For men, the OR for DA in the crude model was 2.11 [95% confidence interval (CI) 2.02-2.21] for those living in areas with the lowest vs. highest level of social capital. After accounting for neighborhood-level deprivation, the OR fell to 1.59 (1.51-1-68), indicating that neighborhood deprivation lies in the pathway between linking social capital and DA. The ORs remained significant after accounting for age, sex, family income, marital status, country of birth, education level, and region of residence, and after further accounting for comorbidities and family history of comorbidities and family history of DA. For women, the OR decreased from 2.15 (2.03-2.27) in the crude model to 1.31 (1.22-1.40) in the final model, adjusted for multiple neighborhood-level and individual-level variables. Conclusions: Our study suggests that low linking social capital may have important independent effects on DA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drug%20abuse" title="drug abuse">drug abuse</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20linking%20capital" title=" social linking capital"> social linking capital</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=family" title=" family"> family</a> </p> <a href="https://publications.waset.org/abstracts/28312/neighborhood-linking-social-capital-as-a-predictor-of-drug-abuse-a-swedish-national-cohort-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28312.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">473</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">372</span> Degradation Mechanism of Automotive Refinish Coatings Exposed to Biological Substances: The Role of Cross-Linking Density</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Mahdavi">M. Mahdavi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mohseni"> M. Mohseni</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Rafiei"> R. Rafiei</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Yari"> H. Yari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental factors can deteriorate the automotive coatings significantly. Such as UV radiations, humidity, hot-cold shock and destructive chemical compounds. Furthermore, some natural materials such as bird droppings and tree gums have the potential to degrade the coatings as well. The present work aims to study the mechanism of degradation for two automotive refinish coating (PU based) systems exposed to two types of biological materials, i.e. Arabic gum and the simulated bird dropping, pancreatin. To reach this goal, effects of these biological materials on surface properties and appearance were studied using different techniques including digital camera, FT-IR spectroscopy, optical microscopy, and gloss measurements. In addition, the thermo-mechanical behavior of coatings was examined by DMTA. It was found that cross-linking had a crucial role on the biological resistance of clear coat. The higher cross-linking enhanced biological resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=refinish%20clear%20coat" title="refinish clear coat">refinish clear coat</a>, <a href="https://publications.waset.org/abstracts/search?q=pancreatin" title=" pancreatin"> pancreatin</a>, <a href="https://publications.waset.org/abstracts/search?q=Arabic%20gum" title=" Arabic gum"> Arabic gum</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-linking" title=" cross-linking"> cross-linking</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20degradation" title=" biological degradation"> biological degradation</a> </p> <a href="https://publications.waset.org/abstracts/18510/degradation-mechanism-of-automotive-refinish-coatings-exposed-to-biological-substances-the-role-of-cross-linking-density" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18510.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">368</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">371</span> Electron Beam Processing of Ethylene-Propylene-Terpolymer-Based Rubber Mixtures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20D.%20Stelescu">M. D. Stelescu</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Manaila"> E. Manaila</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Craciun"> G. Craciun</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Ighigeanu"> D. Ighigeanu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The goal of the paper is to present the results regarding the influence of the irradiation dose and amount of multifunctional monomer trimethylol-propane trimethacrylate (TMPT) on ethylene-propylene-diene terpolymer rubber (EPDM) mixtures irradiated in electron beam. Blends, molded on an electrically heated laboratory roller mill and compressed in an electrically heated hydraulic press, were irradiated using the ALID 7 of 5.5 MeV linear accelerator in the dose range of 22.6 kGy to 56.5 kGy in atmospheric conditions and at room temperature of 25 °C. The share of cross-linking and degradation reactions was evaluated by means of sol-gel analysis, cross-linking density measurements, FTIR studies and Charlesby-Pinner parameter (p<sub>0</sub>/q<sub>0</sub>) calculations. The blends containing different concentrations of TMPT (3 phr and 9 phr) and irradiated with doses in the mentioned range have present the increasing of gel content and cross-linking density. Modified and new bands in FTIR spectra have appeared, because of both cross-linking and chain scission reactions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electron%20beam%20irradiation" title="electron beam irradiation">electron beam irradiation</a>, <a href="https://publications.waset.org/abstracts/search?q=EPDM%20rubber" title=" EPDM rubber"> EPDM rubber</a>, <a href="https://publications.waset.org/abstracts/search?q=crosslinking%20density" title=" crosslinking density"> crosslinking density</a>, <a href="https://publications.waset.org/abstracts/search?q=gel%20fraction" title=" gel fraction"> gel fraction</a> </p> <a href="https://publications.waset.org/abstracts/85001/electron-beam-processing-of-ethylene-propylene-terpolymer-based-rubber-mixtures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85001.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">155</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">370</span> Collagen Hydrogels Cross-Linked by Squaric Acid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joanna%20Skopinska-Wisniewska">Joanna Skopinska-Wisniewska</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Bajek"> Anna Bajek</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Ziegler-Borowska"> Marta Ziegler-Borowska</a>, <a href="https://publications.waset.org/abstracts/search?q=Alina%20Sionkowska"> Alina Sionkowska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hydrogels are a class of materials widely used in medicine for many years. Proteins, such as collagen, due to the presence of a large number of functional groups are easily wettable by polar solvents and can create hydrogels. The supramolecular network capable to swelling is created by cross-linking of the biopolymers using various reagents. Many cross-linking agents has been tested for last years, however, researchers still are looking for a new, more secure reactants. Squaric acid, 3,4-dihydroxy 3-cyclobutene 1,2- dione, is a very strong acid, which possess flat and rigid structure. Due to the presence of two carboxyl groups the squaric acid willingly reacts with amino groups of collagen. The main purpose of this study was to investigate the influence of addition of squaric acid on the chemical, physical and biological properties of collagen materials. The collagen type I was extracted from rat tail tendons and 1% solution in 0.1M acetic acid was prepared. The samples were cross-linked by the addition of 5%, 10% and 20% of squaric acid. The mixtures of all reagents were incubated 30 min on magnetic stirrer and then dialyzed against deionized water. The FTIR spectra show that the collagen structure is not changed by cross-linking by squaric acid. Although the mechanical properties of the collagen material deteriorate, the temperature of thermal denaturation of collagen increases after cross-linking, what indicates that the protein network was created. The lyophilized collagen gels exhibit porous structure and the pore size decreases with the higher addition of squaric acid. Also the swelling ability is lower after the cross-linking. The in vitro study demonstrates that the materials are attractive for 3T3 cells. The addition of squaric acid causes formation of cross-ling bonds in the collagen materials and the transparent, stiff hydrogels are obtained. The changes of physicochemical properties of the material are typical for cross-linking process, except mechanical properties – it requires further experiments. However, the results let us to conclude that squaric acid is a suitable cross-linker for protein materials for medicine and tissue engineering. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collagen" title="collagen">collagen</a>, <a href="https://publications.waset.org/abstracts/search?q=squaric%20acid" title=" squaric acid"> squaric acid</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-linking" title=" cross-linking"> cross-linking</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogel" title=" hydrogel"> hydrogel</a> </p> <a href="https://publications.waset.org/abstracts/20061/collagen-hydrogels-cross-linked-by-squaric-acid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20061.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">388</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">369</span> Viscoelastic Response of the Human Corneal Stroma Induced by Riboflavin/UVA Cross-Linking </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Labate">C. Labate</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20P.%20De%20Santo"> M. P. De Santo</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Lombardo"> G. Lombardo</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Barberi"> R. Barberi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Lombardo"> M. Lombardo</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20M.%20Ziebarth"> N. M. Ziebarth</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the past decades, the importance of corneal biomechanics in the normal and pathological functions of the eye has gained its credibility. In fact, the mechanical properties of biological tissues are essential to their physiological function. We are convinced that an improved understanding of the nanomechanics of corneal tissue is important to understand the basic molecular interactions between collagen fibrils. Ultimately, this information will help in the development of new techniques to cure ocular diseases and in the development of biomimetic materials. Therefore, nanotechnology techniques are powerful tools and, in particular, Atomic Force Microscopy has demonstrated its ability to reliably characterize the biomechanics of biological tissues either at the micro- or nano-level. In the last years, we have investigated the mechanical anisotropy of the human corneal stroma at both the tissue and molecular levels. In particular, we have focused on corneal cross-linking, an established procedure aimed at slowing down or halting the progression of the disease known as keratoconus. We have obtained the first evidence that riboflavin/UV-A corneal cross-linking induces both an increase of the elastic response and a decrease of the viscous response of the most anterior stroma at the scale of stromal molecular interactions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atomic%20force%20spectroscopy" title="atomic force spectroscopy">atomic force spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=corneal%20stroma" title=" corneal stroma"> corneal stroma</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-linking" title=" cross-linking"> cross-linking</a>, <a href="https://publications.waset.org/abstracts/search?q=viscoelasticity" title=" viscoelasticity"> viscoelasticity</a> </p> <a href="https://publications.waset.org/abstracts/44652/viscoelastic-response-of-the-human-corneal-stroma-induced-by-riboflavinuva-cross-linking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44652.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">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">368</span> Effect of Different Parameters on the Swelling Behaviour of Thermo-Responsive Elastomers in a Nematogenic Solvent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nouria%20Bouchikhi">Nouria Bouchikhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Soufiane%20Bedjaoui"> Soufiane Bedjaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Tewfik%20Bouchaour"> C. Tewfik Bouchaour</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamia%20Alachaher%20Bedjaoui"> Lamia Alachaher Bedjaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Ulrich%20Maschke"> Ulrich Maschke</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Swelling properties and phase diagrams of binary systems composed of liquid crystalline networks and a low molecular mass liquid crystal (LMWLC) have been investigated. The networks were prepared by ultraviolet (UV) irradiation of reactive mixtures including a monomer, a cross-linking agent and a photo-initiator. These networks were prepared using two cross-linking agents: 1,6 hexanedioldiacrylate (HDDA) and a mesogenic acrylic acid 6-(4’-(6-acryloyloxy-hexyloxy) biphenyl-4-yl oxy) hexyl ester (AHBH). The obtained dry networks were characterized by differential scanning calorimetry, and immersed in an excess of a LMWLC solvent 4-cyano-4’-pentylbiphenyl (5CB), forming polymer gels. A detailed study by polarized optical microscopy allowed to determine the swelling degree of the gels and to follow the phase behavior of the solvent inside the polymer matrix in a wide range of temperature. It has been found that the gels undergo a sharp decrease of their swelling degree in response to an infinitesimal change of temperature. This finding adds new and interesting aspects on the actuators applications. We have subsequently explored the effect of different parameters on volume phase transition of these liquid crystalline materials. Such as the cross-linking density (CD), a nature of cross-linking agent and the photo initiator concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross-linking%20density" title="cross-linking density">cross-linking density</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20crystalline%20elastomers" title=" liquid crystalline elastomers"> liquid crystalline elastomers</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20diagrams" title=" phase diagrams"> phase diagrams</a>, <a href="https://publications.waset.org/abstracts/search?q=swelling" title=" swelling"> swelling</a> </p> <a href="https://publications.waset.org/abstracts/29741/effect-of-different-parameters-on-the-swelling-behaviour-of-thermo-responsive-elastomers-in-a-nematogenic-solvent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29741.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">331</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">367</span> The Effect of Molecular Weight on the Cross-Linking of Two Different Molecular Weight LLDPE Samples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashkan%20Forootan">Ashkan Forootan</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Rashedi"> Reza Rashedi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polyethylene has wide usage areas such as blow molding, pipe, film, cable insulation. However, regardless to its growing applications, it has some constraints such as the limited 70C operating temperature. Polyethylene thermo setting procedure whose molecules are knotted and 3D-molecular-network formed , is developed to conquer the above problem and to raise the applicable temperature of the polymer. This paper reports the cross-linking for two different molecular weight grades of LLDPE by adding 0.5, 1, and 2% of DCP (Dicumyl Peroxide). DCP was chosen for its prevalence among various cross-linking agents. Structural parameters such as molecular weight, melt flow index, comonomer, number of branches,etc. were obtained through the use of relative tests as Gel Permeation Chromatography and Fourier Transform Infra Red spectrometer. After calculating the percentage of gel content, properties of the pure and cross-linked samples were compared by thermal and mechanical analysis with DMTA and FTIR and the effects of cross-linking like viscous and elastic modulus were discussed by using various structural paprameters such as MFI, molecular weight, short chain branches, etc. Studies showed that cross-linked polymer, unlike the pure one, had a solid state with thermal mechanical properties in the range of 110 to 120C and this helped overcome the problem of using polyethylene in temperatures near the melting point. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LLDPE" title="LLDPE">LLDPE</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-link" title=" cross-link"> cross-link</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20parameters" title=" structural parameters"> structural parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=DCP" title=" DCP"> DCP</a>, <a href="https://publications.waset.org/abstracts/search?q=DMTA" title=" DMTA"> DMTA</a>, <a href="https://publications.waset.org/abstracts/search?q=GPC" title=" GPC"> GPC</a> </p> <a href="https://publications.waset.org/abstracts/51840/the-effect-of-molecular-weight-on-the-cross-linking-of-two-different-molecular-weight-lldpe-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51840.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">304</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">366</span> Metal Ions Cross-Linking of Epoxidized Natural Rubber</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kriengsak%20Damampai">Kriengsak Damampai</a>, <a href="https://publications.waset.org/abstracts/search?q=Skulrat%20Pichaiyut"> Skulrat Pichaiyut</a>, <a href="https://publications.waset.org/abstracts/search?q=Amit%20Das"> Amit Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Charoen%20Nacason"> Charoen Nacason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The curing of epoxidized natural rubber (ENR) was performed by using metal ions (Ferric chloride, FeCl₃). Two different mole% of epoxide were used there are 25 mole% (ENR-25) and 50 mole% (ENR-50) epoxizied natural rubber. The main aim of this work was investigated the influence of metal ions on the coordination reaction of epoxidized natural rubber. Also, cure characteristics and mechanical properties of the rubber compounds were investigated. It was found that the ENR-50 compounds indicated superior modulus and tensile strength than the ENR-25 compounds. This was attributed to higher the cross-linking in the rubber via coordination linkages between the oxidation groups in ENR molecule and FeCl₃of metal ions. Various quantities of FeCl3 were also investigated. It is seen that the ENR-25 and 50 mole% compounds with FeCl₃ of more than 3 mmol exhibited higher modulus and tensile strength compare to the pure ENR. Furthermore, the FTIR spectra was used to confirm the cross-linked of ENR with FeCl₃. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Epoxidized%20natural%20rubber" title="Epoxidized natural rubber">Epoxidized natural rubber</a>, <a href="https://publications.waset.org/abstracts/search?q=Ferric%20chloride" title="Ferric chloride">Ferric chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-linking" title="cross-linking">cross-linking</a>, <a href="https://publications.waset.org/abstracts/search?q=Coordination" title="Coordination">Coordination</a> </p> <a href="https://publications.waset.org/abstracts/152865/metal-ions-cross-linking-of-epoxidized-natural-rubber" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152865.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">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">365</span> Progressive Multimedia Collection Structuring via Scene Linking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aman%20Berhe">Aman Berhe</a>, <a href="https://publications.waset.org/abstracts/search?q=Camille%20Guinaudeau"> Camille Guinaudeau</a>, <a href="https://publications.waset.org/abstracts/search?q=Claude%20Barras"> Claude Barras</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to facilitate information seeking in large collections of multimedia documents with long and progressive content (such as broadcast news or TV series), one can extract the semantic links that exist between semantically coherent parts of documents, i.e., scenes. The links can then create a coherent collection of scenes from which it is easier to perform content analysis, topic extraction, or information retrieval. In this paper, we focus on TV series structuring and propose two approaches for scene linking at different levels of granularity (episode and season): a fuzzy online clustering technique and a graph-based community detection algorithm. When evaluated on the two first seasons of the TV series Game of Thrones, we found that the fuzzy online clustering approach performed better compared to graph-based community detection at the episode level, while graph-based approaches show better performance at the season level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multimedia%20collection%20structuring" title="multimedia collection structuring">multimedia collection structuring</a>, <a href="https://publications.waset.org/abstracts/search?q=progressive%20content" title=" progressive content"> progressive content</a>, <a href="https://publications.waset.org/abstracts/search?q=scene%20linking" title=" scene linking"> scene linking</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20clustering" title=" fuzzy clustering"> fuzzy clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20detection" title=" community detection"> community detection</a> </p> <a href="https://publications.waset.org/abstracts/153764/progressive-multimedia-collection-structuring-via-scene-linking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153764.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">100</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">364</span> The Rebound Effect of Energy Efficiency in Residential Energy Demand: Case of Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Aldubyan">Mohammad Aldubyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Fateh%20Belaid"> Fateh Belaid</a>, <a href="https://publications.waset.org/abstracts/search?q=Anwar%20Gasim"> Anwar Gasim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims at linking to link residential energy efficiency to the rebound effect concept, a well-known behavioral phenomenon in which service consumption increases when consumers notice a reduction in monetary spending on energy due to improvements in energy efficiency. It provides insights on into how and why the rebound effect happens when energy efficiency improves and whether this phenomenon is positive or negative. It also shows one technique to estimate the rebound effect on the national residential level. The paper starts with a bird’s eye view of the rebound effect and then dives in in-depth into measuring the rebound effect and evaluating its impact. Finally, the paper estimates the rebound effect in the Saudi residential sector through by linking pre-estimated price elasticities of demand to the Saudi residential building stock. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20efficiency" title="energy efficiency">energy efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=rebound%20effect" title=" rebound effect"> rebound effect</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20consumption" title=" energy consumption"> energy consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=residential%20electricity%20demand" title=" residential electricity demand"> residential electricity demand</a> </p> <a href="https://publications.waset.org/abstracts/158063/the-rebound-effect-of-energy-efficiency-in-residential-energy-demand-case-of-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158063.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">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">363</span> Linking Museum Education with School Curriculum: Primary Education Case Study Grade 4 </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marwa%20Hanafy">Marwa Hanafy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of linking the museum with school curriculum is to focus on the values and principles of the educational standards of the fourth grade as "equality, cooperation, allegiance, belonging, participation, peace, tolerance, pride and patriotism, etc." through activities, discussion, exhibits, etc., which can help the students to develop their characters and be useful for their society. For example, there is a lesson in Module 3 assess the role of women as mothers and queens, here this research will focus on the value of women and respect them through statues or images of women which support and affect positively on the students who will apply these Morals to themselves and to the community by dependency. It cannot be denied that the students have to be a part of the museum educational programs which have designed for them, by giving them the opportunity to participate, talk, discuss and express their opinions and hear them in the museums, this may be an effective way to confirm that the interests of children are taken into account. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=museum%20education" title="museum education">museum education</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20school%20education" title=" primary school education"> primary school education</a>, <a href="https://publications.waset.org/abstracts/search?q=school%20curriculum" title=" school curriculum"> school curriculum</a>, <a href="https://publications.waset.org/abstracts/search?q=informal%20learning" title=" informal learning"> informal learning</a> </p> <a href="https://publications.waset.org/abstracts/102570/linking-museum-education-with-school-curriculum-primary-education-case-study-grade-4" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102570.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">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">362</span> Effect of Anion and Amino Functional Group on Resin for Lipase Immobilization with Adsorption-Cross Linking Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Heri%20Hermansyah">Heri Hermansyah</a>, <a href="https://publications.waset.org/abstracts/search?q=Annisa%20Kurnia"> Annisa Kurnia</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Vania%20Anisya"> A. Vania Anisya</a>, <a href="https://publications.waset.org/abstracts/search?q=Adi%20Surjosatyo"> Adi Surjosatyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yopi%20Sunarya"> Yopi Sunarya</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Arbianti"> Rita Arbianti</a>, <a href="https://publications.waset.org/abstracts/search?q=Tania%20Surya%20Utami"> Tania Surya Utami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lipase is one of biocatalyst which is applied commercially for the process in industries, such as bioenergy, food, and pharmaceutical industry. Nowadays, biocatalysts are preferred in industries because they work in mild condition, high specificity, and reduce energy consumption (high pressure and temperature). But, the usage of lipase for industry scale is limited by economic reason due to the high price of lipase and difficulty of the separation system. Immobilization of lipase is one of the solutions to maintain the activity of lipase and reduce separation system in the process. Therefore, we conduct a study about lipase immobilization with the adsorption-cross linking method using glutaraldehyde because this method produces high enzyme loading and stability. Lipase is immobilized on different kind of resin with the various functional group. Highest enzyme loading (76.69%) was achieved by lipase immobilized on anion macroporous which have anion functional group (OH<sup>‑</sup>). However, highest activity (24,69 U/g support) through olive oil emulsion method was achieved by lipase immobilized on anion macroporous-chitosan which have amino (NH<sub>2</sub>) and anion (OH<sup>-</sup>) functional group. In addition, it also success to produce biodiesel until reach yield 50,6% through interesterification reaction and after 4 cycles stable 63.9% relative with initial yield. While for Aspergillus, niger lipase immobilized on anion macroporous-kitosan have unit activity 22,84 U/g resin and yield biodiesel higher than commercial lipase (69,1%) and after 4 cycles stable reach 70.6% relative from initial yield. This shows that optimum functional group on support for immobilization with adsorption-cross linking is the support that contains amino (NH<sub>2</sub>) and anion (OH<sup>-</sup>) functional group because they can react with glutaraldehyde and binding with enzyme prevent desorption of lipase from support through binding lipase with a functional group on support. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption-cross%20linking" title="adsorption-cross linking">adsorption-cross linking</a>, <a href="https://publications.waset.org/abstracts/search?q=immobilization" title=" immobilization"> immobilization</a>, <a href="https://publications.waset.org/abstracts/search?q=lipase" title=" lipase"> lipase</a>, <a href="https://publications.waset.org/abstracts/search?q=resin" title=" resin"> resin</a> </p> <a href="https://publications.waset.org/abstracts/33854/effect-of-anion-and-amino-functional-group-on-resin-for-lipase-immobilization-with-adsorption-cross-linking-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33854.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">369</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">361</span> Linking Business Process Models and System Models Based on Business Process Modelling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faisal%20A.%20Aburub">Faisal A. Aburub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Organizations today need to invest in software in order to run their businesses, and to the organizations’ objectives, the software should be in line with the business process. This research presents an approach for linking process models and system models. Particularly, the new approach aims to synthesize sequence diagram based on role activity diagram (RAD) model. The approach includes four steps namely: Create business process model using RAD, identify computerized activities, identify entities in sequence diagram and identify messages in sequence diagram. The new approach has been validated using the process of student registration in University of Petra as a case study. Further research is required to validate the new approach using different domains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=business%20process%20modelling" title="business process modelling">business process modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20models" title=" system models"> system models</a>, <a href="https://publications.waset.org/abstracts/search?q=role%20activity%20diagrams" title=" role activity diagrams"> role activity diagrams</a>, <a href="https://publications.waset.org/abstracts/search?q=sequence%20diagrams" title=" sequence diagrams"> sequence diagrams</a> </p> <a href="https://publications.waset.org/abstracts/44990/linking-business-process-models-and-system-models-based-on-business-process-modelling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44990.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">384</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">360</span> Animations for Teaching Food Chemistry: A Design Approach for Linking Chemistry Theory to Everyday Food</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paulomi%20%28Polly%29%20Burey">Paulomi (Polly) Burey</a>, <a href="https://publications.waset.org/abstracts/search?q=Zoe%20Lynch"> Zoe Lynch</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In STEM education, students often have difficulty linking static images and words from textbooks or online resources, to the underlying mechanisms of the topic of study. This can often dissuade some students from pursuing study in the physical and chemical sciences. A growing movement in current day students demonstrates that the YouTube generation feel they learn best from video or dynamic, interactive learning tools, and will seek these out as alternatives to their textbooks and the classroom learning environment. Chemistry, and in particular visualization of molecular structures in everyday materials, can prove difficult to comprehend without significant interaction with the teacher of the content and concepts, beyond the timeframe of a typical class. This can cause a learning hurdle for distance education students, and so it is necessary to provide strong electronic tools and resources to aid their learning. As one of the electronic resources, an animation design approach to link everyday materials to their underlying chemistry would be beneficial for student learning, with the focus here being on food. These animations were designed and storyboarded with a scaling approach and commence with a focus on the food material itself and its component parts. This is followed by animated transitions to its underlying microstructure and identifying features, and finally showing the molecules responsible for these microstructural features. The animation ends with a reverse transition back through the molecular structure, microstructure, all the way back to the original food material, and also animates some reactions that may occur during food processing to demonstrate the purpose of the underlying chemistry and how it affects the food we eat. Using this cyclical approach of linking students’ existing knowledge of food to help guide them to understanding more complex knowledge, and then reinforcing their learning by linking back to their prior knowledge again, enhances student understanding. Food is also an ideal material system for students to interact with, in a hands-on manner to further reinforce their learning. These animations were launched this year in a 2nd year University Food Chemistry course with improved learning outcomes for the cohort. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemistry" title="chemistry">chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20science" title=" food science"> food science</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20pedagogy" title=" future pedagogy"> future pedagogy</a>, <a href="https://publications.waset.org/abstracts/search?q=STEM%20Education" title=" STEM Education "> STEM Education </a> </p> <a href="https://publications.waset.org/abstracts/84619/animations-for-teaching-food-chemistry-a-design-approach-for-linking-chemistry-theory-to-everyday-food" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84619.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">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">359</span> The Essential but Uncertain Role of the Vietnamese Association of Cities of Vietnam in Promoting Community-Based Housing Upgrading</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Nguyen">T. Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Rennie"> H. Rennie</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Vallance"> S. Vallance</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mackay"> M. Mackay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Municipal Associations, also called Unions, Leagues or Federations of municipalities have been established worldwide to represent the interests and needs of urban governments in the face of increasing urban issues. In 2008, the Association of Cities of Vietnam (ACVN) joined the Asian Coalition of Community Action Program (ACCA program) and introduced the community-based upgrading approach to help Vietnamese cities to address urban upgrading issues. While this community-based upgrading approach has only been implemented in a small number of Vietnamese cities and its replication has faced certain challenges, it is worthy to explore insights on how the Association of cities of Vietnam played its role in implementing some reportedly successful projects. This paper responds to this inquiry and presents results extracted from the author’s PhD study that sets out with a general objective to critically examine how social capital dimensions (i.e., bonding, bridging and linking) were formed, mobilized and maintained in a local collective and community-based upgrading process. Methodologically, the study utilized the given general categorization of bonding, bridging and linking capitals to explore and confirm how social capital operated in the real context of a community-based upgrading process, particularly in the context of Vietnam. To do this, the study conducted two exploratory and qualitative case studies of housing projects in Friendship neighbourhood (Vinh city) and Binh Dong neighbourhood (Tan An city). This paper presents the findings of the Friendship neighbourhood case study, focusing on the role of the Vietnamese municipal association in forming, mobilizing and maintaining bonding, bridging and linking capital for a community-based upgrading process. The findings highlight the essential but uncertain role of ACVN - the organization that has a hybrid legitimacy status - in such a process. The results improve our understanding both practically and theoretically. Practically, the results offer insights into the performance of a municipal association operating in a transitioning socio-political context of Vietnam. Theoretically, the paper questions the necessity of categorizing social capital dimensions (i.e., bonding, bridging and linking) by suggesting a holistic approach of looking at social capital for urban governance issues within the Vietnamese context and perhaps elsewhere. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bonding%20capital" title="bonding capital">bonding capital</a>, <a href="https://publications.waset.org/abstracts/search?q=bridging%20capital" title=" bridging capital"> bridging capital</a>, <a href="https://publications.waset.org/abstracts/search?q=municipal%20association" title=" municipal association"> municipal association</a>, <a href="https://publications.waset.org/abstracts/search?q=linking%20capital" title=" linking capital"> linking capital</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20capital" title=" social capital"> social capital</a>, <a href="https://publications.waset.org/abstracts/search?q=housing%20upgrading" title=" housing upgrading"> housing upgrading</a> </p> <a href="https://publications.waset.org/abstracts/93344/the-essential-but-uncertain-role-of-the-vietnamese-association-of-cities-of-vietnam-in-promoting-community-based-housing-upgrading" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93344.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">148</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">358</span> Identifying Factors Linking Childhood Neglect to Opiate Use</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Usha%20Barahmand">Usha Barahmand</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Khazaee"> Ali Khazaee</a>, <a href="https://publications.waset.org/abstracts/search?q=Goudarz%20Sadeghi%20Hashjin"> Goudarz Sadeghi Hashjin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to assess the relative mediating effects of impulsivity and internalizing problems in the relationship between childhood neglect and motives for opiate use. Seventy-two adolescent opiate users were recruited for the study. Participants completed assessments of childhood abuse history, distress, impulsiveness and motives for substance use as well as a socio-demographic information sheet. Findings from bootstrap mediator analyses indicated that distress, but not impulsiveness, mediated the relationship between childhood emotional abuse and expansion and enhancement motives for substance use. The current study provides preliminary evidence that internalizing problems may function as a mechanism linking prior childhood experiences of emotional neglect to subsequent motives for substance use. Clinical implications of these findings suggest that targeting emotion dysregulation problems may be an effective adjunct in the treatment of adolescents with a history of childhood maltreatment that are at risk for substance use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=childhood%20neglect" title="childhood neglect">childhood neglect</a>, <a href="https://publications.waset.org/abstracts/search?q=impulsiveness" title=" impulsiveness"> impulsiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=internalizing%20problems" title=" internalizing problems"> internalizing problems</a>, <a href="https://publications.waset.org/abstracts/search?q=substance%20use%20motives" title=" substance use motives "> substance use motives </a> </p> <a href="https://publications.waset.org/abstracts/33926/identifying-factors-linking-childhood-neglect-to-opiate-use" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33926.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">463</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">357</span> Development of Surface-Enhanced Raman Spectroscopy-Active Gelatin Based Hydrogels for Label Free Detection of Bio-Analytes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Khan">Zahra Khan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hydrogels are a macromolecular network of hydrophilic copolymers with physical or chemical cross-linking structures with significant water uptake capabilities. They are a promising substrate for surface-enhanced Raman spectroscopy (SERS) as they are both flexible and biocompatible materials. Conventional SERS-active substrates suffer from limitations such as instability and inflexibility, which restricts their use in broader applications. Gelatin-based hydrogels have been synthesised in a facile and relatively quick method without the use of any toxic cross-linking agents. Composite gel material was formed by combining the gelatin with simple polymers to enhance the functional properties of the gel. Gold nanoparticles prepared by a reproducible seed-mediated growth method were combined into the bulk material during gel synthesis. After gel formation, the gel was submerged in the analyte solution overnight. SERS spectra were then collected from the gel using a standard Raman spectrometer. A wide range of analytes was successfully detected on these hydrogels showing potential for further optimization and use as SERS substrates for biomedical applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gelatin" title="gelatin">gelatin</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogels" title=" hydrogels"> hydrogels</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible%20materials" title=" flexible materials"> flexible materials</a>, <a href="https://publications.waset.org/abstracts/search?q=SERS" title=" SERS"> SERS</a> </p> <a href="https://publications.waset.org/abstracts/134140/development-of-surface-enhanced-raman-spectroscopy-active-gelatin-based-hydrogels-for-label-free-detection-of-bio-analytes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134140.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">112</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">356</span> Optimization of Mechanical Properties of Alginate Hydrogel for 3D Bio-Printing Self-Standing Scaffold Architecture for Tissue Engineering Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ibtisam%20A.%20Abbas%20Al-Darkazly"> Ibtisam A. Abbas Al-Darkazly</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the mechanical properties of alginate hydrogel material for self-standing 3D scaffold architecture with proper shape fidelity are investigated. In-lab built 3D bio-printer extrusion-based technology is utilized to fabricate 3D alginate scaffold constructs. The pressure, needle speed and stage speed are varied using a computer-controlled system. The experimental result indicates that the concentration of alginate solution, calcium chloride (CaCl<sub>2</sub>) cross-linking concentration and cross-linking ratios lead to the formation of alginate hydrogel with various gelation states. Besides, the gelling conditions, such as cross-linking reaction time and temperature also have a significant effect on the mechanical properties of alginate hydrogel. Various experimental tests such as the material gelation, the material spreading and the printability test for filament collapse as well as the swelling test were conducted to evaluate the fabricated 3D scaffold constructs. The result indicates that the fabricated 3D scaffold from composition of 3.5% wt alginate solution, that is prepared in DI water and 1% wt CaCl<sub>2</sub> solution with cross-linking ratios of 7:3 show good printability and sustain good shape fidelity for more than 20 days, compared to alginate hydrogel that is prepared in a phosphate buffered saline (PBS). The fabricated self-standing 3D scaffold constructs measured 30 mm × 30 mm and consisted of 4 layers (n = 4) show good pore geometry and clear grid structure after printing. In addition, the percentage change of swelling degree exhibits high swelling capability with respect to time. The swelling test shows that the geometry of 3D alginate-scaffold construct and of the macro-pore are rarely changed, which indicates the capability of holding the shape fidelity during the incubation period. This study demonstrated that the mechanical and physical properties of alginate hydrogel could be tuned for a 3D bio-printing extrusion-based system to fabricate self-standing 3D scaffold soft structures. This 3D bioengineered scaffold provides a natural microenvironment present in the extracellular matrix of the tissue, which could be seeded with the biological cells to generate the desired 3D live tissue model for <em>in vitro</em> and <em>in vivo</em> tissue engineering applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomaterial" title="biomaterial">biomaterial</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20chloride" title=" calcium chloride"> calcium chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20bio-printing" title=" 3D bio-printing"> 3D bio-printing</a>, <a href="https://publications.waset.org/abstracts/search?q=extrusion" title=" extrusion"> extrusion</a>, <a href="https://publications.waset.org/abstracts/search?q=scaffold" title=" scaffold"> scaffold</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20alginate" title=" sodium alginate"> sodium alginate</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20engineering" title=" tissue engineering"> tissue engineering</a> </p> <a href="https://publications.waset.org/abstracts/132067/optimization-of-mechanical-properties-of-alginate-hydrogel-for-3d-bio-printing-self-standing-scaffold-architecture-for-tissue-engineering-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132067.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">111</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">355</span> Construction and Cross-Linking of Polyelectrolyte Multilayers Based on Polysaccharides as Antifouling Coatings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wenfa%20Yu">Wenfa Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Thuva%20Gnanasampanthan"> Thuva Gnanasampanthan</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Finlay"> John Finlay</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20Clarke"> Jessica Clarke</a>, <a href="https://publications.waset.org/abstracts/search?q=Charlotte%20Anderson"> Charlotte Anderson</a>, <a href="https://publications.waset.org/abstracts/search?q=Tony%20Clare"> Tony Clare</a>, <a href="https://publications.waset.org/abstracts/search?q=Axel%20Rosenhahn"> Axel Rosenhahn</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine biofouling is a worldwide problem at vast economic and ecological costs. Historically it was combated with toxic coatings such as tributyltin. As those coatings being banned nowadays, finding environmental friendly antifouling solution has become an urgent topic. In this study antifouling coatings consisted of natural occurring polysaccharides hyaluronic acid (HA), alginic acid (AA), chitosan (Ch) and polyelectrolyte polyethylenimine (PEI) are constructed into polyelectrolyte multilayers (PEMs) in a Layer-by-Layer (LbL) method. LbL PEM construction is a straightforward way to assemble biomacromolecular coatings on surfaces. Advantages about PEM include ease of handling, highly diverse PEM composition, precise control over the thickness and so on. PEMs have been widely employed in medical application and there are numerous studies regarding their protein adsorption, elasticity and cell adhesive properties. With the adjustment of coating composition, termination layer charge, coating morphology and cross-linking method, it is possible to prepare low marine biofouling coatings with PEMs. In this study, using spin coating technology, PEM construction was achieved at smooth multilayers with roughness as low as 2nm rms and highly reproducible thickness around 50nm. To obtain stability in sea water, the multilayers were covalently cross-linked either thermally or chemically. The cross-linking method affected surface energy, which was reflected in water contact angle, thermal cross-linking led to hydrophobic surfaces and chemical cross-linking generated hydrophilic surfaces. The coatings were then evaluated regarding its protein resistance and biological species resistance. While the hydrophobic thermally cross-linked PEM had low resistance towards proteins, the resistance of chemically cross-linked PEM strongly depended on the PEM termination layer and the charge of the protein, opposite charge caused high adsorption and same charge low adsorption, indicating electrostatic interaction plays a crucial role in the protein adsorption processes. Ulva linza was chosen as the biological species for antifouling performance evaluation. Despite of the poor resistance towards protein adsorption, thermally cross-linked PEM showed good resistance against Ulva spores settlement, the chemically cross-linked multilayers showed poor resistance regardless of the termination layer. Marine species adhesion is a complex process, although it involves proteins as bioadhesives, protein resistance its own is not a fully indicator for its antifouling performance. The species will pre select the surface, responding to cues like surface energy, chemistry, or charge and so on. Thus making it difficult for one single factors to determine its antifouling performance. Preparing PEM coating is a comprehensive work involving choosing polyelectrolyte combination, determining termination layer and the method for cross-linking. These decisions will affect PEM properties such as surface energy, charge, which is crucial, since biofouling is a process responding to surface properties in a highly sensitive and dynamic way. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hyaluronic%20acid" title="hyaluronic acid">hyaluronic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=polyelectrolyte%20multilayers" title=" polyelectrolyte multilayers"> polyelectrolyte multilayers</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%20resistance" title=" protein resistance"> protein resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=Ulva%20linza%20zoospores" title=" Ulva linza zoospores"> Ulva linza zoospores</a> </p> <a href="https://publications.waset.org/abstracts/105303/construction-and-cross-linking-of-polyelectrolyte-multilayers-based-on-polysaccharides-as-antifouling-coatings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105303.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">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">354</span> Trans-Boundary Water Disputes between India and Bangladesh and the Policy Responses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aditaya%20Narayan%20Mishra">Aditaya Narayan Mishra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Unequal distribution of environmental resources as a possible cause of conflict has been the topic of substantial research, and these connections have ruled the post-Cold War attention in the discourse of environmental security. In this category, considerable concentration has been given to water resources, on account of their important standing for human existence. Thus, water is considered to be one of the most important non-conventional security issues. As per this consideration, the case of India-Bangladesh is one of the most critical examples of disputes over transboundary water sharing. The concern regarding sharing of trans-boundary rivers has been the main focus of Bangladesh and India‘s relationship for the last forty-five years. Both countries share fifty-four rivers, most of which have originated in the Himalayan range. The main causes for problems in the sharing of the waters of trans-boundary rivers between India and Bangladesh include the: Farakka Barrage, Teesta river sharing issue, River linking project and Tipaimukh Dam. The construction of Farakka barrage across the Ganga River was the beginning of water dispute. Attempts at unilateral exploitation of the trans-boundary water resources led to inter-state conflicts that spilled over into other areas of bilateral disputes between India and Bangladesh. Apart from Farakka, Barrage, the disputes over Teesta River sharing, River linking project and Tipaimukh Dam are also vital contents for the both countries bilateral diplomacy. Till date, India and Bangladesh have signed five treaties regarding water sharing. However, all these treaties have been rendered worthless due to mistrust and political upheaval in both countries. The current paper would address all these water sharing disputes between India and Bangladesh with focus on the various policy responses (both bilateral and multilateral initiatives) to deal with these water sharing disputes. It will try to analyze the previous agreements and their drawbacks and loopholes. In addition, it will mention the reasons for water sharing cooperation between India and Bangladesh. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=India%20and%20Bangladesh%20relations" title="India and Bangladesh relations">India and Bangladesh relations</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20disputes" title=" water disputes"> water disputes</a>, <a href="https://publications.waset.org/abstracts/search?q=Teesta" title=" Teesta"> Teesta</a>, <a href="https://publications.waset.org/abstracts/search?q=river%20linking%20project" title=" river linking project"> river linking project</a>, <a href="https://publications.waset.org/abstracts/search?q=Tipaimukh%20Dam" title=" Tipaimukh Dam"> Tipaimukh Dam</a>, <a href="https://publications.waset.org/abstracts/search?q=Farakka" title=" Farakka"> Farakka</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20responses" title=" policy responses"> policy responses</a> </p> <a href="https://publications.waset.org/abstracts/77551/trans-boundary-water-disputes-between-india-and-bangladesh-and-the-policy-responses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77551.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">230</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">353</span> Kinetic and Thermodynamic Modified Pectin with Chitosan by Forming Polyelectrolyte Complex Adsorbent to Remediate of Pb(II)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Budi%20Hastuti">Budi Hastuti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mudasir"> Mudasir</a>, <a href="https://publications.waset.org/abstracts/search?q=Dwi%20Siswanta"> Dwi Siswanta</a>, <a href="https://publications.waset.org/abstracts/search?q=Triyono"> Triyono</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biosorbent, such as pectin and chitosan, are usually produced with low physical stability, thus the materials need to be modified. In this research, the physical characteristic of adsorbent was increased by grafting chitosan using acetate carboxymetyl chitosan (CC). Further, CC and Pectin (Pec) were crosslinked using cross-linking agent BADGE (bis phenol A diglycidyl ether) to get CC-Pec-BADGE (CPB) adsorbent. The cross-linking processes aim to form stable structure and resistance on acidic media. Furthermore, in order to increase the adsorption capacity in removing Pb(II), the adsorbent was added with NaCl to form macroporous adsorbent named CCPec-BADGE-Na (CPB-Na). The physical and chemical characteristics of the porogenic adsorbent structure were characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR). The adsorption parameter of CPB-Na to adsorb Pb(II) ion was determined. The kinetics and thermodynamics of the bath sorption of Pb(II) on CPB-Na adsorbent and using chitosan and pectin as a comparison were also studied. The results showed that the CPB-Na biosorbent was stable on acidic media. It had a rough and porous surface area, increased and gave higher sorption capacity for removal of Pb(II) ion. The CPB-Na 1/1 and 1/3 adsorbent adsorbed Pb(II) with adsorption capacity of 45.48 mg/g and 45.97 mg/g respectively, whereas pectin and chitosan were of 39.20 mg /g and 24.67 mg /g respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=porogen" title="porogen">porogen</a>, <a href="https://publications.waset.org/abstracts/search?q=Pectin" title=" Pectin"> Pectin</a>, <a href="https://publications.waset.org/abstracts/search?q=Carboxymethyl%20Chitosan%20%28CC%29" title=" Carboxymethyl Chitosan (CC)"> Carboxymethyl Chitosan (CC)</a>, <a href="https://publications.waset.org/abstracts/search?q=CC-%20Pec-BADGE-Na" title=" CC- Pec-BADGE-Na"> CC- Pec-BADGE-Na</a> </p> <a href="https://publications.waset.org/abstracts/91832/kinetic-and-thermodynamic-modified-pectin-with-chitosan-by-forming-polyelectrolyte-complex-adsorbent-to-remediate-of-pbii" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91832.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">158</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">352</span> Photoactivated Chromophore for Keratitis-Cross Linking Window Absorption Alone versus Combined Pack-CXL Window Absorption and Standard Anti-microbial Therapy for Treatment of Infectious Keratitis: A Prospective Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20M.%20Mahdy%20Tawfeek">Mohammed M. Mahdy Tawfeek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The aim of this work is to compare the outcome of photoactivated chromophore for keratitis-cross linking (PACK-CXL) window absorption (WA) alone with combined PACK-CXL WA and standard anti-microbial therapy (SAT) for the treatment of infectious keratitis. Patients and Methods: This is a randomized prospective comparative clinical trial. Thirty eyes with clinically suspected infectious keratitis were randomly assigned into two equal groups of 15 eyes each: Group (A) was treated by PACK-CXL WA alone and group (B) was treated by PACK-CXL WA combined with SAT. Identification of organisms was made by lab study before treatment. Corneal healing was evaluated by corneal examination and anterior segment OCT (AS-OCT). Written informed consent was obtained from all participants and the study was approved by the research ethics committee of the Faculty of Medicine, Zagazig University. The work has been carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki) for studies involving humans. Results: Complete healing and resolution (Successful treatment) were observed in 10 eyes (66.7%) of a group (A) and 14 eyes (93.3%) of group (B) and failure was observed in 5 eyes (33.3%) of a group (A) and one eye (6.67%) of group (B). They were statistically significant (P =0.042 and 0.003) in a comparison between both groups regarding success and failure of treatment, respectively. Complete corneal healing was reported in the third month postoperatively in 10 eyes (66.7%) of group (A) and 14 eyes (93.3%) of group (B). Complications were absent in 12 patients (80%) in group (A) and 14 patients (93.3%) of group (B); however, perforation and impending perforation were found in 3 patients of group (A) and only one patient of group (B). Conclusion: PACK-CXL is a promising, non-invasive treatment option for infectious keratitis, especially when performed with the window absorption (WA) technique, either alone or combined with SAT. It has a synergistic effect with a standard antimicrobial treatment that gives good outcome results in the treatment of infectious keratitis. Also, it avoids the antibiotics resistance that has become rapidly spreading worldwide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corneal%20cross%20linking" title="corneal cross linking">corneal cross linking</a>, <a href="https://publications.waset.org/abstracts/search?q=infectious%20keratitis" title=" infectious keratitis"> infectious keratitis</a>, <a href="https://publications.waset.org/abstracts/search?q=PACK-CXL" title=" PACK-CXL"> PACK-CXL</a>, <a href="https://publications.waset.org/abstracts/search?q=window%20absorption" title=" window absorption"> window absorption</a> </p> <a href="https://publications.waset.org/abstracts/133351/photoactivated-chromophore-for-keratitis-cross-linking-window-absorption-alone-versus-combined-pack-cxl-window-absorption-and-standard-anti-microbial-therapy-for-treatment-of-infectious-keratitis-a-prospective-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133351.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">140</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">351</span> Linking Excellence in Biomedical Knowledge and Computational Intelligence Research for Personalized Management of Cardiovascular Diseases within Personal Health Care</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Rocha">T. Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Carvalho"> P. Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Paredes"> S. Paredes</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Henriques"> J. Henriques</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bianchi"> A. Bianchi</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Traver"> V. Traver</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Martinez"> A. Martinez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main goal of LINK project is to join competences in intelligent processing in order to create a research ecosystem to address two central scientific and technical challenges for personal health care (PHC) deployment: i) how to merge clinical evidence knowledge in computational decision support systems for PHC management and ii) how to provide achieve personalized services, i.e., solutions adapted to the specific user needs and characteristics. The final goal of one of the work packages (WP2), designated Sustainable Linking and Synergies for Excellence, is the definition, implementation and coordination of the necessary activities to create and to strengthen durable links between the LiNK partners. This work focuses on the strategy that has been followed to achieve the definition of the Research Tracks (RT), which will support a set of actions to be pursued along the LiNK project. These include common research activities, knowledge transfer among the researchers of the consortium, and PhD student and post-doc co-advisement. Moreover, the RTs will establish the basis for the definition of concepts and their evolution to project proposals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LiNK%20Twin%20European%20Project" title="LiNK Twin European Project">LiNK Twin European Project</a>, <a href="https://publications.waset.org/abstracts/search?q=personal%20health%20care" title=" personal health care"> personal health care</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiovascular%20diseases" title=" cardiovascular diseases"> cardiovascular diseases</a>, <a href="https://publications.waset.org/abstracts/search?q=research%20tracks" title=" research tracks"> research tracks</a> </p> <a href="https://publications.waset.org/abstracts/77055/linking-excellence-in-biomedical-knowledge-and-computational-intelligence-research-for-personalized-management-of-cardiovascular-diseases-within-personal-health-care" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77055.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">216</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">350</span> Imp_hist-Si: Improved Hybrid Image Segmentation Technique for Satellite Imagery to Decrease the Segmentation Error Rate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neetu%20Manocha">Neetu Manocha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Image segmentation is a technique where a picture is parted into distinct parts having similar features which have a place with similar items. Various segmentation strategies have been proposed as of late by prominent analysts. But, after ultimate thorough research, the novelists have analyzed that generally, the old methods do not decrease the segmentation error rate. Then author finds the technique HIST-SI to decrease the segmentation error rates. In this technique, cluster-based and threshold-based segmentation techniques are merged together. After then, to improve the result of HIST-SI, the authors added the method of filtering and linking in this technique named Imp_HIST-SI to decrease the segmentation error rates. The goal of this research is to find a new technique to decrease the segmentation error rates and produce much better results than the HIST-SI technique. For testing the proposed technique, a dataset of Bhuvan – a National Geoportal developed and hosted by ISRO (Indian Space Research Organisation) is used. Experiments are conducted using Scikit-image & OpenCV tools of Python, and performance is evaluated and compared over various existing image segmentation techniques for several matrices, i.e., Mean Square Error (MSE) and Peak Signal Noise Ratio (PSNR). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=satellite%20image" title="satellite image">satellite image</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20segmentation" title=" image segmentation"> image segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=edge%20detection" title=" edge detection"> edge detection</a>, <a href="https://publications.waset.org/abstracts/search?q=error%20rate" title=" error rate"> error rate</a>, <a href="https://publications.waset.org/abstracts/search?q=MSE" title=" MSE"> MSE</a>, <a href="https://publications.waset.org/abstracts/search?q=PSNR" title=" PSNR"> PSNR</a>, <a href="https://publications.waset.org/abstracts/search?q=HIST-SI" title=" HIST-SI"> HIST-SI</a>, <a href="https://publications.waset.org/abstracts/search?q=linking" title=" linking"> linking</a>, <a href="https://publications.waset.org/abstracts/search?q=filtering" title=" filtering"> filtering</a>, <a href="https://publications.waset.org/abstracts/search?q=imp_HIST-SI" title=" imp_HIST-SI"> imp_HIST-SI</a> </p> <a href="https://publications.waset.org/abstracts/149905/imp-hist-si-improved-hybrid-image-segmentation-technique-for-satellite-imagery-to-decrease-the-segmentation-error-rate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149905.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">140</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">349</span> Statistical Scientific Investigation of Popular Cultural Heritage in the Relationship between Astronomy and Weather Conditions in the State of Kuwait</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20AlHasem">Ahmed M. AlHasem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Kuwaiti society has long been aware of climatic changes and their annual dates and trying to link them to astronomy in an attempt to forecast the future weather conditions. The reason for this concern is that many of the economic, social and living activities of the society depend deeply on the nature of the weather conditions directly and indirectly. In other words, Kuwaiti society, like the case of many human societies, has in the past tried to predict climatic conditions by linking them to astronomy or popular statements to indicate the timing of climate changes. Accordingly, this study was devoted to scientific investigation based on the statistical analysis of climatic data to show the accuracy and compatibility of some of the most important elements of the cultural heritage in relation to climate change and to relate it scientifically to precise climatic measurements for decades. The research has been divided into 10 topics, each topic has been focused on one legacy, whether by linking climate changes to the appearance/disappearance of star or a popular statement inherited through generations, through explain the nature and timing and thereby statistical analysis to indicate the proportion of accuracy based on official climatic data since 1962. The study's conclusion is that the relationship is weak and, in some cases, non-existent between the popular heritage and the actual climatic data. Therefore, it does not have a dependable relationship and a reliable scientific prediction between both the popular heritage and the forecast of weather conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=astronomy" title="astronomy">astronomy</a>, <a href="https://publications.waset.org/abstracts/search?q=cultural%20heritage" title=" cultural heritage"> cultural heritage</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20analysis" title=" statistical analysis"> statistical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=weather%20prediction" title=" weather prediction"> weather prediction</a> </p> <a href="https://publications.waset.org/abstracts/102495/statistical-scientific-investigation-of-popular-cultural-heritage-in-the-relationship-between-astronomy-and-weather-conditions-in-the-state-of-kuwait" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102495.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">122</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">348</span> A Framework for Chinese Domain-Specific Distant Supervised Named Entity Recognition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Qin%20Long">Qin Long</a>, <a href="https://publications.waset.org/abstracts/search?q=Li%20Xiaoge"> Li Xiaoge</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Knowledge Graphs have now become a new form of knowledge representation. However, there is no consensus in regard to a plausible and definition of entities and relationships in the domain-specific knowledge graph. Further, in conjunction with several limitations and deficiencies, various domain-specific entities and relationships recognition approaches are far from perfect. Specifically, named entity recognition in Chinese domain is a critical task for the natural language process applications. However, a bottleneck problem with Chinese named entity recognition in new domains is the lack of annotated data. To address this challenge, a domain distant supervised named entity recognition framework is proposed. The framework is divided into two stages: first, the distant supervised corpus is generated based on the entity linking model of graph attention neural network; secondly, the generated corpus is trained as the input of the distant supervised named entity recognition model to train to obtain named entities. The link model is verified in the ccks2019 entity link corpus, and the F1 value is 2% higher than that of the benchmark method. The re-pre-trained BERT language model is added to the benchmark method, and the results show that it is more suitable for distant supervised named entity recognition tasks. Finally, it is applied in the computer field, and the results show that this framework can obtain domain named entities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distant%20named%20entity%20recognition" title="distant named entity recognition">distant named entity recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=entity%20linking" title=" entity linking"> entity linking</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20graph" title=" knowledge graph"> knowledge graph</a>, <a href="https://publications.waset.org/abstracts/search?q=graph%20attention%20neural%20network" title=" graph attention neural network"> graph attention neural network</a> </p> <a href="https://publications.waset.org/abstracts/145772/a-framework-for-chinese-domain-specific-distant-supervised-named-entity-recognition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145772.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">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">347</span> Miracle Fruit Application in Sour Beverages: Effect of Different Concentrations on the Temporal Sensory Profile and Overall Linking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J%C3%A9ssica%20F.%20Rodrigues">Jéssica F. Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20C.%20Andrade"> Amanda C. Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabrina%20C.%20Bastos"> Sabrina C. Bastos</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20B.%20Coelho"> Sandra B. Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Carla%20M.%20Pinheiro"> Ana Carla M. Pinheiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, there is a great demand for the use of natural sweeteners due to the harmful effects of the high sugar and artificial sweeteners consumption on the health. Miracle fruit, which is known for its unique ability to modify the sour taste in sweet taste, has been shown to be a good alternative sweetener. However, it has a high production cost, being important to optimize lower contents to be used. Thus, the aim of this study was to assess the effect of different miracle fruit contents on the temporal (Time-intensity - TI and Temporal Dominance of Sensations - TDS) sensory profile and overall linking of lemonade, to determine the better content to be used as a natural sweetener in sour beverages. TI and TDS results showed that the concentrations of 150 mg, 300 mg and 600 mg miracle fruit were effective in reducing the acidity and promoting the sweet perception in lemonade. Furthermore, the concentrations of 300 mg and 600 mg obtained similar profiles. Through the acceptance test, the concentration of 300 mg miracle fruit was shown to be an efficient substitute for sucrose and sucralose in lemonade, once they had similar hedonic values between ‘I liked it slightly’ and ‘I liked it moderately’. Therefore, 300mg miracle fruit consists in an adequate content to be used as a natural sweetener of lemonade. The results of this work will help the food industry on the efficient application of a new natural sweetener- the Miracle fruit extract in sour beverages, reducing costs and providing a product that meets the consumer desires. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acceptance" title="acceptance">acceptance</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20sweetener" title=" natural sweetener"> natural sweetener</a>, <a href="https://publications.waset.org/abstracts/search?q=temporal%20dominance%20of%20sensations" title=" temporal dominance of sensations"> temporal dominance of sensations</a>, <a href="https://publications.waset.org/abstracts/search?q=time-intensity" title=" time-intensity"> time-intensity</a> </p> <a href="https://publications.waset.org/abstracts/72567/miracle-fruit-application-in-sour-beverages-effect-of-different-concentrations-on-the-temporal-sensory-profile-and-overall-linking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72567.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">249</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">346</span> Characterization of Potato Starch/Guar Gum Composite Film Modified by Ecofriendly Cross-Linkers </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sujosh%20Nandi">Sujosh Nandi</a>, <a href="https://publications.waset.org/abstracts/search?q=Proshanta%20Guha"> Proshanta Guha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Synthetic plastics are preferred for food packaging due to high strength, stretch-ability, good water vapor and gas barrier properties, transparency and low cost. However, environmental pollution generated by these synthetic plastics is a major concern of modern human civilization. Therefore, use of biodegradable polymers as a substitute for synthetic non-biodegradable polymers are encouraged to be used even after considering drawbacks related to mechanical and barrier properties of the films. Starch is considered one of the potential raw material for the biodegradable polymer, encounters poor water barrier property and mechanical properties due to its hydrophilic nature. That apart, recrystallization of starch molecules occurs during aging which decreases flexibility and increases elastic modulus of the film. The recrystallization process can be minimized by blending of other hydrocolloids having similar structural compatibility, into the starch matrix. Therefore, incorporation of guar gum having a similar structural backbone, into the starch matrix can introduce a potential film into the realm of biodegradable polymer. However, hydrophilic nature of both starch and guar gum, water barrier property of the film is low. One of the prospective solution to enhance this could be modification of the potato starch/guar gum (PSGG) composite film using cross-linker. Over the years, several cross-linking agents such as phosphorus oxychloride, sodium trimetaphosphate, etc. have been used to improve water vapor permeability (WVP) of the films. However, these chemical cross-linking agents are toxic, expensive and take longer time to degrade. Therefore, naturally available carboxylic acid (tartaric acid, malonic acid, succinic acid, etc.) had been used as a cross-linker and found that water barrier property enhanced substantially. As per our knowledge, no works have been reported with tartaric acid and succinic acid as a cross-linking agent blended with the PSGG films. Therefore, the objective of the present study was to examine the changes in water vapor barrier property and mechanical properties of the PSGG films after cross-linked with tartaric acid (TA) and succinic acid (SA). The cross-linkers were blended with PSGG film-forming solution at four different concentrations (4, 8, 12 & 16%) and cast on teflon plate at 37°C for 20 h. From the fourier-transform infrared spectroscopy (FTIR) study of the developed films, a band at 1720cm-1 was observed which is attributed to the formation of ester group in the developed films. On the other hand, it was observed that tensile strength (TS) of the cross-linked film decreased compared to non-cross linked films, whereas strain at break increased by several folds. Moreover, the results depicted that tensile strength diminished with increasing the concentration of TA or SA and lowest TS (1.62 MPa) was observed for 16% SA. That apart, maximum strain at break was also observed for TA at 16% and the reason behind this could be a lesser degree of crystallinity of the TA cross-linked films compared to SA. However, water vapor permeability of succinic acid cross-linked film was reduced significantly, but it was enhanced significantly by addition of tartaric acid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross%20linking%20agent" title="cross linking agent">cross linking agent</a>, <a href="https://publications.waset.org/abstracts/search?q=guar%20gum" title=" guar gum"> guar gum</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20acids" title=" organic acids"> organic acids</a>, <a href="https://publications.waset.org/abstracts/search?q=potato%20starch" title=" potato starch"> potato starch</a> </p> <a href="https://publications.waset.org/abstracts/112414/characterization-of-potato-starchguar-gum-composite-film-modified-by-ecofriendly-cross-linkers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112414.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">114</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">345</span> Charged Amphiphilic Polypeptide Based Micelle Hydrogel Composite for Dual Drug Release</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monika%20Patel">Monika Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuaki%20Matsumura"> Kazuaki Matsumura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Synthetic hydrogels, with their unique properties such as porosity, strength, and swelling in aqueous environment, are being used in many fields from food additives to regenerative medicines, from diagnostic and pharmaceuticals to drug delivery systems (DDS). But, hydrogels also have some limitations in terms of homogeneity of drug distribution and quantity of loaded drugs. As an alternate, polymeric micelles are extensively used as DDS. With the ease of self-assembly, and distinct stability they remarkably improve the solubility of hydrophobic drugs. However, presently, combinational therapy is the need of time and so are systems which are capable of releasing more than one drug. And it is one of the major challenges towards DDS to control the release of each drug independently, which simple DDS cannot meet. In this work, we present an amphiphilic polypeptide based micelle hydrogel composite to study the dual drug release for wound healing purposes using Amphotericin B (AmpB) and Curcumin as model drugs. Firstly, two differently charged amphiphilic polypeptide chains were prepared namely, poly L-Lysine-b-poly phenyl alanine (PLL-PPA) and poly Glutamic acid-b-poly phenyl alanine (PGA-PPA) through ring opening polymerization of amino acid N-carboxyanhydride. These polymers readily self-assemble to form micelles with hydrophobic PPA block as core and hydrophilic PLL/PGA as shell with an average diameter of about 280nm. The thus formed micelles were loaded with the model drugs. The PLL-PPA micelle was loaded with curcumin and PGA-PPA was loaded with AmpB by dialysis method. Drug loaded micelles showed a slight increase in the mean diameter and were fairly stable in solution and lyophilized forms. For forming the micelles hydrogel composite, the drug loaded micelles were dissolved and were cross linked using genipin. Genipin uses the free –NH2 groups in the PLL-PPA micelles to form a hydrogel network with free PGA-PPA micelles trapped in between the 3D scaffold formed. Different composites were tested by changing the weight ratios of the both micelles and were seen to alter its resulting surface charge from positive to negative with increase in PGA-PPA ratio. The composites with high surface charge showed a burst release of drug in initial phase, were as the composites with relatively low net charge showed a sustained release. Thus the resultant surface charge of the composite can be tuned to tune its drug release profile. Also, while studying the degree of cross linking among the PLL-PPA particles for effect on dual drug release, it was seen that as the degree of crosslinking increases, an increase in the tendency to burst release the drug (AmpB) is seen in PGA-PPA particle, were as on the contrary the PLL-PPA particles showed a slower release of Curcumin with increasing the cross linking density. Thus, two different pharmacokinetic profile of drugs were seen by changing the cross linking degree. In conclusion, a unique charged amphiphilic polypeptide based micelle hydrogel composite for dual drug delivery. This composite can be finely tuned on the basis of need of drug release profiles by changing simple parameters such as composition, cross linking and pH. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amphiphilic%20polypeptide" title="amphiphilic polypeptide">amphiphilic polypeptide</a>, <a href="https://publications.waset.org/abstracts/search?q=dual%20drug%20release" title=" dual drug release"> dual drug release</a>, <a href="https://publications.waset.org/abstracts/search?q=micelle%20hydrogel%20composite" title=" micelle hydrogel composite"> micelle hydrogel composite</a>, <a href="https://publications.waset.org/abstracts/search?q=tunable%20DDS" title=" tunable DDS"> tunable DDS</a> </p> <a href="https://publications.waset.org/abstracts/56879/charged-amphiphilic-polypeptide-based-micelle-hydrogel-composite-for-dual-drug-release" class="btn btn-primary btn-sm">Procedia</a> <a 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