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chromatography</title> <meta name="description" content="Search results for: thin layer chromatography"> <meta name="keywords" content="thin layer chromatography"> <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 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action="https://publications.waset.org/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="thin layer chromatography"> <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> 1421</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: thin layer chromatography</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1421</span> Effect of Boric Acid on a-Hydroxy Acids Compounds in Thin Layer Chromatography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Elham%20Moniri">Elham Moniri</a>, <a href="https://publications.waset.org/search?q=Homayon%20Ahmad%20Panahi"> Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/search?q=Ahmad%20Izadi"> Ahmad Izadi</a>, <a href="https://publications.waset.org/search?q=Mohamad%20Mehdi%20Parvin"> Mohamad Mehdi Parvin</a>, <a href="https://publications.waset.org/search?q=Atyeh%20Rahimi"> Atyeh Rahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this investigation Salicylic acid, Sulfosalicylic acid and Acetyl salicylic acid were chosen as a sample for thin layer chromatography (TLC) on silica gel plates. Bicarbonate buffer at different pH containing different amounts of boric acid was applied as mobile phase. Specific interaction of these substances with boric acid has effect on Rf in thin layer chromatography. Regular and similar trend was observed in variations of Rf for mentioned compounds in TLC by altering of percentages of boric acid in mobile phase in pH range of 8-10. Also effect of organic solvent, mixture of water/ organic solvent and organic solvent containing boric acid as mobile phase was studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Thin%20layer%20chromatography%20%28TLC%29" title="Thin layer chromatography (TLC)">Thin layer chromatography (TLC)</a>, <a href="https://publications.waset.org/search?q=Aspirin" title=" Aspirin"> Aspirin</a>, <a href="https://publications.waset.org/search?q=Salicylic%20acid" title="Salicylic acid">Salicylic acid</a>, <a href="https://publications.waset.org/search?q=Sulfosalycylic%20acid" title=" Sulfosalycylic acid"> Sulfosalycylic acid</a>, <a href="https://publications.waset.org/search?q=Boric%20acid." title=" Boric acid."> Boric acid.</a> </p> <a href="https://publications.waset.org/524/effect-of-boric-acid-on-a-hydroxy-acids-compounds-in-thin-layer-chromatography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/524/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/524/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/524/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/524/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/524/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/524/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/524/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/524/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/524/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/524/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/524.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">2326</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1420</span> Comparative Forensic Analysis of Lipsticks Using Thin Layer Chromatography and Gas Chromatography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20O.%20Ezegbogu">M. O. Ezegbogu</a>, <a href="https://publications.waset.org/search?q=H.%20B.%20Osadolor"> H. B. Osadolor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lipsticks constitute a significant source of transfer evidence, and can, therefore, provide corroborative or inclusionary evidence in criminal investigation. This study aimed to determine the uniqueness and persistence of different lipstick smears using Thin Layer Chromatography (TLC), and Gas Chromatography with a Flame Ionisation Detector (GC-FID). In this study, we analysed lipstick smears retrieved from tea cups exposed to the environment for up to four weeks. The n-alkane content of each sample was determined using GC-FID, while TLC was used to determine the number of bands, and retention factor of each band per smear. This study shows that TLC gives more consistent results over a 4-week period than GC-FID. It also proposes a maximum exposure time of two weeks for the analysis of lipsticks left in the open using GC-FID. Finally, we conclude that neither TLC nor GC-FID can distinguish lipstick evidence recovered from hypothetical crime scenes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Forensic%20science" title="Forensic science">Forensic science</a>, <a href="https://publications.waset.org/search?q=chromatography" title=" chromatography"> chromatography</a>, <a href="https://publications.waset.org/search?q=identification" title=" identification"> identification</a>, <a href="https://publications.waset.org/search?q=lipstick." title=" lipstick. "> lipstick. </a> </p> <a href="https://publications.waset.org/10010430/comparative-forensic-analysis-of-lipsticks-using-thin-layer-chromatography-and-gas-chromatography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010430/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010430/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010430/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010430/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010430/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010430/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010430/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010430/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010430/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010430/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010430.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">1785</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1419</span> Assessment of Aminopolyether on 18F-FDG Samples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Renata%20L.%20C.%20Le%C3%A3o">Renata L. C. Leão</a>, <a href="https://publications.waset.org/search?q=Jo%C3%A3o%20E.%20Nascimento"> João E. Nascimento</a>, <a href="https://publications.waset.org/search?q=Natalia%20C.%20E.%20S.%20Nascimento"> Natalia C. E. S. Nascimento</a>, <a href="https://publications.waset.org/search?q=Elaine%20S.%20Vasconcelos"> Elaine S. Vasconcelos</a>, <a href="https://publications.waset.org/search?q=M%C3%A9rcia%20L.%20Oliveira"> Mércia L. Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The quality control procedures of a radiopharmaceutical include the assessment of its chemical purity. The method suggested by international pharmacopeias consists of a thin layer chromatographic run. In this paper, the method proposed by the United States Pharmacopeia (USP) is compared to a direct method to determine the final concentration of aminopolyether in Fludeoxyglucose (<sup>18</sup>F-FDG) preparations. The approach (no chromatographic run) was achieved by placing the thin-layer chromatography (TLC) plate directly on an iodine vapor chamber. Both methods were validated and they showed adequate results to determine the concentration of aminopolyether in <sup>18</sup>F-FDG preparations. However, the direct method is more sensitive, faster and simpler when compared to the reference method (with chromatographic run), and it may be chosen for use in routine quality control of <sup>18</sup>F-FDG.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Chemical%20purity" title="Chemical purity">Chemical purity</a>, <a href="https://publications.waset.org/search?q=Kryptofix%20222" title=" Kryptofix 222"> Kryptofix 222</a>, <a href="https://publications.waset.org/search?q=thin%20layer%20chromatography" title=" thin layer chromatography"> thin layer chromatography</a>, <a href="https://publications.waset.org/search?q=validation." title=" validation. "> validation. </a> </p> <a href="https://publications.waset.org/10010770/assessment-of-aminopolyether-on-18f-fdg-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010770/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010770/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010770/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010770/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010770/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010770/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010770/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010770/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010770/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010770/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010770.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">837</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1418</span> Separation of Vitamin B2 and B12 byImpregnate HPTLC Plates with Boric Acid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/search?q=Hossein%20Sid%20Kalal"> Hossein Sid Kalal</a>, <a href="https://publications.waset.org/search?q=Atyeh%20Rahimi"> Atyeh Rahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A high performance thin layer chromatography system (HPTLC) for the separation of vitamin B2 and B12 has been developed. The separation was successfully using a solvent system of methanol, water, ammonia 7.3.1 (V/V) as mobile phase on HPTLC plates impregnated with boric acid. The effect of other mobile phases on the separation of vitamins was also examined. The method is based on different behavior of investigated compounds in impregnated TLC plates with different amount of boric acid. The Rf values of vitamin B2 and B12 are considered on non impregnated and impregnated silica gel HPTLC plate with boric acid. The effect of boric acid in the mobile phase and on HPTLC plates on the RF values of the vitamins has also been studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=High%20performance%20thin%20layer%20chromatography" title="High performance thin layer chromatography">High performance thin layer chromatography</a>, <a href="https://publications.waset.org/search?q=HPTLC" title="HPTLC">HPTLC</a>, <a href="https://publications.waset.org/search?q=Vitamin%20B2" title=" Vitamin B2"> Vitamin B2</a>, <a href="https://publications.waset.org/search?q=Vitamin%20B12" title=" Vitamin B12"> Vitamin B12</a>, <a href="https://publications.waset.org/search?q=Separation." title=" Separation."> Separation.</a> </p> <a href="https://publications.waset.org/6116/separation-of-vitamin-b2-and-b12-byimpregnate-hptlc-plates-with-boric-acid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6116/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6116/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6116/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6116/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6116/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6116/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6116/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6116/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6116/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6116/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6116.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">2201</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1417</span> Graphene/ZnO/Polymer Nanocomposite Thin Film for Separation of Oil-Water Mixture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Suboohi%20Shervani">Suboohi Shervani</a>, <a href="https://publications.waset.org/search?q=Jingjing%20Ling"> Jingjing Ling</a>, <a href="https://publications.waset.org/search?q=Jiabin%20Liu"> Jiabin Liu</a>, <a href="https://publications.waset.org/search?q=Tahir%20Husain"> Tahir Husain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Offshore oil-spill has become the most emerging problem in the world. In the current paper, a graphene/ZnO/polymer nanocomposite thin film is coated on stainless steel mesh via layer by layer deposition method. The structural characterization of materials is determined by Scanning Electron Microscopy (SEM) and X-ray diffraction (XRD). The total petroleum hydrocarbons (TPHs) and separation efficiency have been measured via gas chromatography – flame ionization detector (GC-FID). TPHs are reduced to 2 ppm and separation efficiency of the nanocomposite coated mesh is reached ≥ 99% for the final sample. The nanocomposite coated mesh acts as a promising candidate for the separation of oil- water mixture.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Oil-spill" title="Oil-spill">Oil-spill</a>, <a href="https://publications.waset.org/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/search?q=oil-water%20separation" title=" oil-water separation"> oil-water separation</a>, <a href="https://publications.waset.org/search?q=nanocomposite." title=" nanocomposite. "> nanocomposite. </a> </p> <a href="https://publications.waset.org/10011208/grapheneznopolymer-nanocomposite-thin-film-for-separation-of-oil-water-mixture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10011208/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10011208/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10011208/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10011208/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10011208/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10011208/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10011208/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10011208/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10011208/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10011208/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10011208.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">844</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1416</span> Optical and Structural Properties of a ZnS Buffer Layer Fabricated with Deposition Temperature of RF Magnetron Sputtering System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Won%20Song">Won Song</a>, <a href="https://publications.waset.org/search?q=Bo-Ra%20Koo"> Bo-Ra Koo</a>, <a href="https://publications.waset.org/search?q=Seok%20Eui%20Choi"> Seok Eui Choi</a>, <a href="https://publications.waset.org/search?q=Yong-Taeg%20Oh"> Yong-Taeg Oh</a>, <a href="https://publications.waset.org/search?q=Dong-Chan%20Shin"> Dong-Chan Shin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Optical properties of sputter-deposited ZnS thin films were investigated as potential replacements for CBD(chemical bath deposition) CdS buffer layers in the application of CIGS solar cells. ZnS thin films were fabricated on glass substrates at RT, 150oC, 200oC, and 250oC with 50 sccm Ar gas using an RF magnetron sputtering system. The crystal structure of the thin film is found to be zinc blende (cubic) structure. Lattice parameter of ZnS is slightly larger than CdS on the plane and thus better matched with that of CIGS. Within a 400-800 nm wavelength region, the average transmittance was larger than 75%. When the deposition temperature of the thin film was increased, the blue shift phenomenon was enhanced. Band gap energy of the ZnS thin film tended to increase as the deposition temperature increased. ZnS thin film is a promising material system for the CIGS buffer layer, in terms of ease of processing, low cost, environmental friendliness, higher transparency, and electrical properties <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=ZnS%20thin%20film" title="ZnS thin film">ZnS thin film</a>, <a href="https://publications.waset.org/search?q=Buffer%20layer" title=" Buffer layer"> Buffer layer</a>, <a href="https://publications.waset.org/search?q=CIGS" title=" CIGS"> CIGS</a>, <a href="https://publications.waset.org/search?q=Solar%20cell." title=" Solar cell."> Solar cell.</a> </p> <a href="https://publications.waset.org/10172/optical-and-structural-properties-of-a-zns-buffer-layer-fabricated-with-deposition-temperature-of-rf-magnetron-sputtering-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10172/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10172/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10172/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10172/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10172/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10172/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10172/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10172/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10172/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10172/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10172.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">2398</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1415</span> HPTLC Fingerprint Profiling of Protorhus longifolia Methanolic Leaf Extract and Qualitative Analysis of Common Biomarkers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20S.%20Seboletswe">P. S. Seboletswe</a>, <a href="https://publications.waset.org/search?q=Z.%20Mkhize"> Z. Mkhize</a>, <a href="https://publications.waset.org/search?q=L.%20M.%20Katata-Seru"> L. M. Katata-Seru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p><em>Protorhus longifolia </em>is known as a medicinal plant that has been used traditionally to treat various ailments such as hemiplegic paralysis, blood clotting related diseases, diarrhoea, heartburn, etc. The study reports a High-Performance Thin Layer Chromatography (HPTLC) fingerprint profile of <em>Protorhus longifolia</em> methanolic extract and its qualitative analysis of gallic acid, rutin, and quercetin. HPTLC analysis was achieved using CAMAG HPTLC system equipped with CAMAG automatic TLC sampler 4, CAMAG Automatic Developing Chamber 2 (ADC2), CAMAG visualizer 2, CAMAG Thin Layer Chromatography (TLC) scanner and visionCATS CAMAG HPTLC software. Mobile phase comprising toluene, ethyl acetate, formic acid (21:15:3) was used for qualitative analysis of gallic acid and revealed eight peaks while the mobile phase containing ethyl acetate, water, glacial acetic acid, formic acid (100:26:11:11) for qualitative analysis of rutin and quercetin revealed six peaks. HPTLC sillica gel 60 F254 glass plates (10 × 10) were used as the stationary phase. Gallic acid was detected at the R<sub>f</sub> = 0.35; while rutin and quercetin were not evident in the extract. Further studies will be performed to quantify gallic acid in <em>Protorhus longifolia</em> leaves and also identify other biomarkers.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biomarkers" title="Biomarkers">Biomarkers</a>, <a href="https://publications.waset.org/search?q=fingerprint%20profiling" title=" fingerprint profiling"> fingerprint profiling</a>, <a href="https://publications.waset.org/search?q=gallic%20acid" title=" gallic acid"> gallic acid</a>, <a href="https://publications.waset.org/search?q=HPTLC" title=" HPTLC"> HPTLC</a>, <a href="https://publications.waset.org/search?q=Protorhus%20longifolia." title=" Protorhus longifolia."> Protorhus longifolia.</a> </p> <a href="https://publications.waset.org/10010946/hptlc-fingerprint-profiling-of-protorhus-longifolia-methanolic-leaf-extract-and-qualitative-analysis-of-common-biomarkers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010946/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010946/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010946/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010946/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010946/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010946/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010946/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010946/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010946/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010946/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010946.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">844</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1414</span> Quantitative Assessment of Different Formulations of Antimalarials in Sentinel Sites of India </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Taruna%20Katyal%20Arora">Taruna Katyal Arora</a>, <a href="https://publications.waset.org/search?q=Geeta%20Kumari"> Geeta Kumari</a>, <a href="https://publications.waset.org/search?q=Hari%20Shankar"> Hari Shankar</a>, <a href="https://publications.waset.org/search?q=Neelima%20Mishra"> Neelima Mishra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Substandard and counterfeit antimalarials is a major problem in malaria endemic areas. The availability of counterfeit/ substandard medicines is not only decreasing the efficacy in patients, but it is also one of the contributing factors for developing antimalarial drug resistance. Owing to this, a pilot study was conducted to survey quality of drugs collected from different malaria endemic areas of India. Artesunate+Sulphadoxine-Pyrimethamine (AS+SP), Artemether-Lumefantrine (AL), Chloroquine (CQ) tablets were randomly picked from public health facilities in selected states of India. The quality of antimalarial drugs from these areas was assessed by using Global Pharma Health Fund Minilab test kit. This includes physical/visual inspection and disintegration test. Thin-layer chromatography (TLC) was carried out for semi-quantitative assessment of active pharmaceutical ingredients. A total of 45 brands, out of which 21 were for CQ, 14 for AL and 10 for AS+SP were tested from Uttar Pradesh (U.P.), Mizoram, Meghalaya and Gujrat states. One out of 45 samples showed variable disintegration and retension factor. The variable disintegration and retention factor which would have been due to substandard quality or other factors including storage. However, HPLC analysis confirms standard active pharmaceutical ingredient, but may be due to humid temperature and moisture in storage may account for the observed result.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Antimalarial%20medicines" title="Antimalarial medicines">Antimalarial medicines</a>, <a href="https://publications.waset.org/search?q=counterfeit" title=" counterfeit"> counterfeit</a>, <a href="https://publications.waset.org/search?q=substandard" title=" substandard"> substandard</a>, <a href="https://publications.waset.org/search?q=thin%20layer%20chromatography." title=" thin layer chromatography. "> thin layer chromatography. </a> </p> <a href="https://publications.waset.org/10004042/quantitative-assessment-of-different-formulations-of-antimalarials-in-sentinel-sites-of-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10004042/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10004042/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10004042/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10004042/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10004042/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10004042/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10004042/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10004042/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10004042/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10004042/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10004042.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">1522</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1413</span> Predictability of the Two Commonly Used Models to Represent the Thin-layer Re-wetting Characteristics of Barley</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20A.%20Basunia">M. A. Basunia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thirty three re-wetting tests were conducted at different combinations of temperatures (5.7- 46.30C) and relative humidites (48.2-88.6%) with barley. Two most commonly used thinlayer drying and rewetting models i.e. Page and Diffusion were compared for their ability to the fit the experimental re-wetting data based on the standard error of estimate (SEE) of the measured and simulated moisture contents. The comparison shows both the Page and Diffusion models fit the re-wetting experimental data of barley well. The average SEE values for the Page and Diffusion models were 0.176 % d.b. and 0.199 % d.b., respectively. The Page and Diffusion models were found to be most suitable equations, to describe the thin-layer re-wetting characteristics of barley over a typically five day re-wetting. These two models can be used for the simulation of deep-bed re-wetting of barley occurring during ventilated storage and deep bed drying. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Thin-layer" title="Thin-layer">Thin-layer</a>, <a href="https://publications.waset.org/search?q=barley" title=" barley"> barley</a>, <a href="https://publications.waset.org/search?q=re-wetting%20parameters" title=" re-wetting parameters"> re-wetting parameters</a>, <a href="https://publications.waset.org/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/search?q=relative%20humidity." title=" relative humidity."> relative humidity.</a> </p> <a href="https://publications.waset.org/2163/predictability-of-the-two-commonly-used-models-to-represent-the-thin-layer-re-wetting-characteristics-of-barley" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/2163/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/2163/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/2163/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/2163/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/2163/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/2163/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/2163/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/2163/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/2163/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/2163/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/2163.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">1495</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1412</span> Effects of Mo Thickness on the Properties of AZO/Mo/AZO Multilayer Thin Films</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hung-Wei%20Wu">Hung-Wei Wu</a>, <a href="https://publications.waset.org/search?q=Chien-Hsun%20Chu"> Chien-Hsun Chu</a>, <a href="https://publications.waset.org/search?q=Ru-Yuan%20Yang"> Ru-Yuan Yang</a>, <a href="https://publications.waset.org/search?q=Chin-Min%20Hsiung"> Chin-Min Hsiung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we proposed the effects of Mo thickness on the properties of AZO/Mo/AZO multilayer thin films for opto-electronics applications. The structural, optical and electrical properties of AZO/Mo/AZO thin films were investigated. Optimization of the thin films coatings resulted with low resistivity of 9.98 × 10-5 )-cm, mobility of 12.75 cm2/V-s, carrier concentration of 1.05 × 1022 cm-3, maximum transmittance of 79.13% over visible spectrum of 380 – 780 nm and Haacke figure of merit (FOM) are 5.95 × 10-2 )-1 under Mo layer thickness of 15 nm. These results indicate an alternative candidate for use as a transparent electrode in solar cells and various displays applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Aluminum-doped%20zinc%20oxide" title="Aluminum-doped zinc oxide">Aluminum-doped zinc oxide</a>, <a href="https://publications.waset.org/search?q=AZO" title=" AZO"> AZO</a>, <a href="https://publications.waset.org/search?q=multilayer" title=" multilayer"> multilayer</a>, <a href="https://publications.waset.org/search?q=RF%0Amagnetron%20sputtering" title=" RF magnetron sputtering"> RF magnetron sputtering</a>, <a href="https://publications.waset.org/search?q=AZO%2FMo%2FAZO" title=" AZO/Mo/AZO"> AZO/Mo/AZO</a>, <a href="https://publications.waset.org/search?q=thin%20film" title=" thin film"> thin film</a>, <a href="https://publications.waset.org/search?q=transparent%0Aconductive%20oxides." title=" transparent conductive oxides."> transparent conductive oxides.</a> </p> <a href="https://publications.waset.org/1337/effects-of-mo-thickness-on-the-properties-of-azomoazo-multilayer-thin-films" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/1337/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/1337/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/1337/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/1337/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/1337/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/1337/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/1337/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/1337/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/1337/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/1337/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/1337.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">2714</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1411</span> Agrowaste: Phytosterol from Durian Seed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=D.%20Mohd%20Nazrul%20Hisham">D. Mohd Nazrul Hisham</a>, <a href="https://publications.waset.org/search?q=J.%20Mohd%20Lip"> J. Mohd Lip</a>, <a href="https://publications.waset.org/search?q=R.%20Suri"> R. Suri</a>, <a href="https://publications.waset.org/search?q=H.%20Mohamed%20Shafit"> H. Mohamed Shafit</a>, <a href="https://publications.waset.org/search?q=Z.Kharis"> Z.Kharis</a>, <a href="https://publications.waset.org/search?q=K.%20Shazlin"> K. Shazlin</a>, <a href="https://publications.waset.org/search?q=A.%20Normah"> A. Normah</a>, <a href="https://publications.waset.org/search?q=M.F.%20Nurul%20Nabilah"> M.F. Nurul Nabilah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Presence of phytosterol compound in Durian seed (Durio zibethinus) or known as King of fruits has been discovered from screening work using reagent test. Further analysis work has been carried out using mass spectrometer in order to support the priliminary finding. Isolation and purification of the major phytosterol has been carried out using an open column chromatography. The separation was monitored using thin layer chromatography (TLC). Major isolated compounds and purified phytosterol were identified using mass spectrometer and nuclear magnetic resonance (NMR). This novel finding could promote utilization of durian seeds as a functional ingredient in food products through production of standardized extract based on phytosterol content. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Agrowaste" title="Agrowaste">Agrowaste</a>, <a href="https://publications.waset.org/search?q=durian" title=" durian"> durian</a>, <a href="https://publications.waset.org/search?q=seed" title=" seed"> seed</a>, <a href="https://publications.waset.org/search?q=phytosterol" title=" phytosterol"> phytosterol</a> </p> <a href="https://publications.waset.org/11200/agrowaste-phytosterol-from-durian-seed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/11200/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/11200/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/11200/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/11200/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/11200/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/11200/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/11200/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/11200/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/11200/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/11200/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/11200.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">2922</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1410</span> Vickers Indentation Simulation of Buffer Layer Thickness Effect for DLC Coated Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Abdul%20Wasy">Abdul Wasy</a>, <a href="https://publications.waset.org/search?q=Balakrishnan%20G."> Balakrishnan G.</a>, <a href="https://publications.waset.org/search?q=Yi%20Qi%20Wang"> Yi Qi Wang</a>, <a href="https://publications.waset.org/search?q=Atta%20Ur%20Rehman"> Atta Ur Rehman</a>, <a href="https://publications.waset.org/search?q=Jung%20Il%20Song"> Jung Il Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vickers indentation is used to measure the hardness of materials. In this study, numerical simulation of Vickers indentation experiment was performed for Diamond like Carbon (DLC) coated materials. DLC coatings were deposited on stainless steel 304 substrates with Chromium buffer layer using RF Magnetron and T-shape Filtered Cathodic Vacuum Arc Dual system The objective of this research is to understand the elastic plastic properties, stress strain distribution, ring and lateral crack growth and propagation, penetration depth of indenter and delamination of coating from substrate with effect of buffer layer thickness. The effect of Poisson-s ratio of DLC coating was also analyzed. Indenter penetration is more in coated materials with thin buffer layer as compared to thicker one, under same conditions. Similarly, the specimens with thinner buffer layer failed quickly due to high residual stress as compared to the coated materials with reasonable thickness of 200nm buffer layer. The simulation results suggested the optimized thickness of 200 nm among the prepared specimens for durable and long service. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Thin%20film" title="Thin film">Thin film</a>, <a href="https://publications.waset.org/search?q=buffer%20layer.%20Diamond%20like%20Carbon" title=" buffer layer. Diamond like Carbon"> buffer layer. Diamond like Carbon</a>, <a href="https://publications.waset.org/search?q=Vickers%20indentation" title=" Vickers indentation"> Vickers indentation</a>, <a href="https://publications.waset.org/search?q=Poisson%27s%20ratio" title=" Poisson's ratio"> Poisson's ratio</a>, <a href="https://publications.waset.org/search?q=Finite%20element." title=" Finite element."> Finite element.</a> </p> <a href="https://publications.waset.org/1677/vickers-indentation-simulation-of-buffer-layer-thickness-effect-for-dlc-coated-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/1677/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/1677/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/1677/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/1677/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/1677/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/1677/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/1677/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/1677/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/1677/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/1677/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/1677.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">2936</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1409</span> Sol-gel Synthesis and Optical Characterisation of TiO2 Thin Films for Photovoltaic Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=N.%20H.%20Arabi">N. H. Arabi</a>, <a href="https://publications.waset.org/search?q=Aicha%20Iratni"> Aicha Iratni</a>, <a href="https://publications.waset.org/search?q=Talaighil%20Razika"> Talaighil Razika</a>, <a href="https://publications.waset.org/search?q=Bruno%20Capoen"> Bruno Capoen</a>, <a href="https://publications.waset.org/search?q=Mohamed%20Bouazaoui"> Mohamed Bouazaoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>TiO2 thin films have been prepared by the sol-gel dipcoating technique in order to elaborate antireflective thin films for monocrystalline silicon (mono-Si). The titanium isopropoxyde was chosen as a precursor with hydrochloric acid as a catalyser for preparing a stable solution. The optical properties have been tailored with varying the solution concentration, the withdrawn speed, and the heat-treatment. We showed that using a TiO2 single layer with 64.5 nm in thickness, heat-treated at 450°C or 300°C reduces the mono-Si reflection at a level lower than 3% over the broadband spectral domains [669-834] nm and [786-1006] nm respectively. Those latter performances are similar to the ones obtained with double layers of low and high refractive index glasses respectively.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Dip%20coating" title="Dip coating">Dip coating</a>, <a href="https://publications.waset.org/search?q=mono-Si" title=" mono-Si"> mono-Si</a>, <a href="https://publications.waset.org/search?q=titanium%20oxide" title=" titanium oxide"> titanium oxide</a>, <a href="https://publications.waset.org/search?q=thin%20film." title=" thin film."> thin film.</a> </p> <a href="https://publications.waset.org/10000265/sol-gel-synthesis-and-optical-characterisation-of-tio2-thin-films-for-photovoltaic-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000265/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000265/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000265/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000265/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000265/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000265/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000265/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000265/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000265/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000265/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000265.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">2325</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1408</span> Estimation of the Moisture Diffusivity and Activation Energy in Thin Layer Drying of Ginger Slices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ebru%20Kavak%20Akpinar">Ebru Kavak Akpinar</a>, <a href="https://publications.waset.org/search?q=Seda%20Toraman"> Seda Toraman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present work, the effective moisture diffusivity and activation energy were calculated using an infinite series solution of Fick-s diffusion equation. The results showed that increasing drying temperature accelerated the drying process. All drying experiments had only falling rate period. The average effective moisture diffusivity values varied from 2.807x10-10 to 6.977x10-10m2 s_1 over the temperature and velocity range. The temperature dependence of the effective moisture diffusivity for the thin layer drying of the ginger slices was satisfactorily described by an Arrhenius-type relationship with activation energy values of 19.313- 22.722 kJ.mol-1 within 40–70 °C and 0.8-3 ms-1 temperature range. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ginger" title="Ginger">Ginger</a>, <a href="https://publications.waset.org/search?q=Drying" title=" Drying"> Drying</a>, <a href="https://publications.waset.org/search?q=Activation%20energy" title=" Activation energy"> Activation energy</a>, <a href="https://publications.waset.org/search?q=Moisture%20diffusivity." title=" Moisture diffusivity."> Moisture diffusivity.</a> </p> <a href="https://publications.waset.org/10506/estimation-of-the-moisture-diffusivity-and-activation-energy-in-thin-layer-drying-of-ginger-slices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10506/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10506/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10506/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10506/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10506/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10506/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10506/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10506/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10506/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10506/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10506.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">2710</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1407</span> Effects of Pressure and Temperature on the Extraction of Benzyl Isothiocyanate by Supercritical Fluids from Tropaeolum majus L. Leaves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Espinoza%20S.%20Clara">Espinoza S. Clara</a>, <a href="https://publications.waset.org/search?q=Gamarra%20Q.%20Flor"> Gamarra Q. Flor</a>, <a href="https://publications.waset.org/search?q=Marianela%20F.%20Ramos%20Quispe%20S.%20Miguel"> Marianela F. Ramos Quispe S. Miguel</a>, <a href="https://publications.waset.org/search?q=Flores%20R.%20Omar"> Flores R. Omar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p><em>Tropaeolum majus</em> L. is a native plant to South and Central America, used since ancient times by our ancestors to combat different diseases. Glucotropaeolonin is one of its main components, which when hydrolyzed, forms benzyl isothiocyanate (BIT) that promotes cellular apoptosis (programmed cell death in cancer cells). Therefore, the present research aims to evaluate the effect of the pressure and temperature of BIT extraction by supercritical CO<sub>2</sub> from <em>Tropaeolum majus</em> L. The extraction was carried out in a supercritical fluid extractor equipment Speed SFE BASIC Brand: Poly science, the leaves of <em>Tropaeolum majus</em> L. were ground for one hour and lyophilized until obtaining a humidity of 6%. The extraction with supercritical CO<sub>2</sub> was carried out with pressures of 200 bar and 300 bar, temperatures of 50°C, 60°C and 70°C, obtained by the conjugation of these six treatments. BIT was identified by thin layer chromatography using 98% BIT as the standard, and as the mobile phase hexane: dichloromethane (4:2). Subsequently, BIT quantification was performed by high performance liquid chromatography (HPLC). The highest yield of oleoresin by supercritical CO<sub>2</sub> extraction was obtained pressure 300 bar and temperature at 60°C; and the higher content of BIT at pressure 200 bar and 70°C for 30 minutes to obtain 113.615 ± 0.03 mg BIT/100 g dry matter was obtained.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Tropaeolum%20majus%20L." title="Tropaeolum majus L.">Tropaeolum majus L.</a>, <a href="https://publications.waset.org/search?q=supercritical%20fluids" title=" supercritical fluids"> supercritical fluids</a>, <a href="https://publications.waset.org/search?q=benzyl%20isothiocyanate." title=" benzyl isothiocyanate."> benzyl isothiocyanate.</a> </p> <a href="https://publications.waset.org/10008921/effects-of-pressure-and-temperature-on-the-extraction-of-benzyl-isothiocyanate-by-supercritical-fluids-from-tropaeolum-majus-l-leaves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10008921/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10008921/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10008921/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10008921/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10008921/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10008921/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10008921/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10008921/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10008921/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10008921/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10008921.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">879</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1406</span> Interfacial Layer Effect on Novel p-Ni1-xO:Li/n-Si Heterojunction Solar Cells </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Feng-Hao%20Hsu">Feng-Hao Hsu</a>, <a href="https://publications.waset.org/search?q=Na-Fu%20Wang"> Na-Fu Wang</a>, <a href="https://publications.waset.org/search?q=Yu-Zen%20Tsai"> Yu-Zen Tsai</a>, <a href="https://publications.waset.org/search?q=Yu-Song%20Cheng"> Yu-Song Cheng</a>, <a href="https://publications.waset.org/search?q=Cheng-Fu%20Yang"> Cheng-Fu Yang</a>, <a href="https://publications.waset.org/search?q=Mau-Phon%20Houng"> Mau-Phon Houng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This study fabricates p-type Ni<sub>1</sub><sub>−</sub><sub>x</sub>O:Li/n-Si heterojunction solar cells (P<sup>+</sup>/n HJSCs) by using radio frequency (RF) magnetron sputtering and investigates the effect of substrate temperature on photovoltaic cell properties. Grazing incidence x-ray diffraction, four point probe, and ultraviolet-visible-near infrared discover the optoelectrical properties of p-Ni<sub>1-x</sub>O thin films. The results show that p-Ni<sub>1-x</sub>O thin films deposited at 300 <sup>o</sup>C has the highest grain size (22.4 nm), average visible transmittance (~42%), and electrical resistivity (2.7 Ωcm). However, the conversion efficiency of cell is shown only 2.33% which is lower than the cell (3.39%) fabricated at room temperature. This result can be mainly attributed to interfacial layer thickness (SiO<sub>x</sub>) reduces from 2.35 nm to 1.70 nm, as verified by high-resolution transmission electron microscopy.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Heterojunction" title="Heterojunction">Heterojunction</a>, <a href="https://publications.waset.org/search?q=nickel%20oxide" title=" nickel oxide"> nickel oxide</a>, <a href="https://publications.waset.org/search?q=solar%20cells" title=" solar cells"> solar cells</a>, <a href="https://publications.waset.org/search?q=sputtering." title=" sputtering."> sputtering.</a> </p> <a href="https://publications.waset.org/9998912/interfacial-layer-effect-on-novel-p-ni1-xolin-si-heterojunction-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9998912/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9998912/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9998912/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9998912/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9998912/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9998912/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9998912/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9998912/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9998912/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9998912/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9998912.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">1854</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1405</span> Cytotoxic Effect of Crude Extract of Sea Pen Virgularia gustaviana on HeLa and MDA-MB-231 Cancer Cell Lines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sharareh%20Sharifi">Sharareh Sharifi</a>, <a href="https://publications.waset.org/search?q=Pargol%20Ghavam%20Mostafavi"> Pargol Ghavam Mostafavi</a>, <a href="https://publications.waset.org/search?q=Ali%20Mashinchian%20Moradi"> Ali Mashinchian Moradi</a>, <a href="https://publications.waset.org/search?q=Mohammad%20Hadi%20Givianrad"> Mohammad Hadi Givianrad</a>, <a href="https://publications.waset.org/search?q=Hassan%20Niknejad"> Hassan Niknejad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Marine organisms such as soft coral, sponge, ascidians, and tunicate containing rich source of natural compound have been studied in last decades because of their special chemical compounds with anticancer properties. The aim of this study was to investigate anti-cancer property of ethyl acetate extracted from marine sea pen <em>Virgularia gustaviana</em> found from Persian Gulf coastal (Bandar Abbas). The extraction processes were carried out with ethyl acetate for five days. Thin layer chromatography (TLC) and high-performance liquid chromatography (HPLC) were used for qualitative identification of crude extract. The viability of HeLa and MDA-Mb-231 cancer cells was investigated using MTT assay at the concentration of 25, 50, and a 100 µl/ml of ethyl acetate is extracted. The crude extract of <em>Virgularia gustaviana</em> demonstrated ten fractions with different Retention factor (Rf) by TLC and Retention time (Rt) evaluated by HPLC. The crude extract dose-dependently decreased cancer cell viability compared to control group. According to the results, the ethyl acetate extracted from <em>Virgularia gustaviana</em> inhibits the growth of cancer cells, an effect which needs to be further investigated in the future studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Virgularia%20gustaviana" title="Virgularia gustaviana">Virgularia gustaviana</a>, <a href="https://publications.waset.org/search?q=Cembrane%20Diterpene" title=" Cembrane Diterpene"> Cembrane Diterpene</a>, <a href="https://publications.waset.org/search?q=anti-cancer" title=" anti-cancer"> anti-cancer</a>, <a href="https://publications.waset.org/search?q=HeLa%20cancer%20Cell" title=" HeLa cancer Cell"> HeLa cancer Cell</a>, <a href="https://publications.waset.org/search?q=MDA-Md-231%20Cancer%20cell." title=" MDA-Md-231 Cancer cell."> MDA-Md-231 Cancer cell.</a> </p> <a href="https://publications.waset.org/10007727/cytotoxic-effect-of-crude-extract-of-sea-pen-virgularia-gustaviana-on-hela-and-mda-mb-231-cancer-cell-lines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10007727/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10007727/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10007727/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10007727/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10007727/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10007727/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10007727/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10007727/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10007727/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10007727/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10007727.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">1548</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1404</span> Comparison between the Efficiency of Heterojunction Thin Film InGaP\GaAs\Ge and InGaP\GaAs Solar Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=F.%20Djaafar">F. Djaafar</a>, <a href="https://publications.waset.org/search?q=B.%20Hadri"> B. Hadri</a>, <a href="https://publications.waset.org/search?q=G.%20Bachir"> G. Bachir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>This paper presents the design parameters for a thin film 3J <em>InGaP/GaAs/Ge </em>solar cell with a simulated maximum efficiency of 32.11% using Tcad Silvaco. Design parameters include the doping concentration, molar fraction, layers’ thickness and tunnel junction characteristics. An initial dual junction InGaP/GaAs model of a previous published heterojunction cell was simulated in Tcad Silvaco to accurately predict solar cell performance. To improve the solar cell’s performance, we have fixed meshing, material properties, models and numerical methods. However, thickness and layer doping concentration were taken as variables. We, first simulate the InGaP\GaAs dual junction cell by changing the doping concentrations and thicknesses which showed an increase in efficiency. Next, a triple junction <em>InGaP/GaAs/Ge </em>cell was modeled by adding a Ge layer to the previous dual junction InGaP/GaAs model with an InGaP /GaAs tunnel junction.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Heterojunction" title="Heterojunction">Heterojunction</a>, <a href="https://publications.waset.org/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/search?q=thin%20film" title=" thin film"> thin film</a>, <a href="https://publications.waset.org/search?q=Tcad%20Silvaco." title=" Tcad Silvaco."> Tcad Silvaco.</a> </p> <a href="https://publications.waset.org/10006842/comparison-between-the-efficiency-of-heterojunction-thin-film-ingapgaasge-and-ingapgaas-solar-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10006842/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10006842/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10006842/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10006842/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10006842/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10006842/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10006842/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10006842/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10006842/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10006842/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10006842.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">1245</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1403</span> Preparation of Porous Metal Membrane by Thermal Annealing for Thin Film Encapsulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Jaibir%20Sharma">Jaibir Sharma</a>, <a href="https://publications.waset.org/search?q=Lee%20JaeWung"> Lee JaeWung</a>, <a href="https://publications.waset.org/search?q=Merugu%20Srinivas"> Merugu Srinivas</a>, <a href="https://publications.waset.org/search?q=Navab%20Singh"> Navab Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents thermal annealing de-wetting technique for the preparation of porous metal membrane for Thin Film Encapsulation (TFE) application. Thermal annealing de-wetting experimental results reveal that pore size formation in porous metal membrane depend upon i.e. 1. The substrate at which metal is deposited, 2. Melting point of metal used for porous metal cap layer membrane formation, 3. Thickness of metal used for cap layer, 4. Temperature used for formation of porous metal membrane. In order to demonstrate this technique, Silver (Ag) was used as a metal for preparation of porous metal membrane on amorphous silicon (a-Si) and silicon oxide. The annealing of the silver thin film of various thicknesses was performed at different temperature. Pores in porous silver film were analyzed using Scanning Electron Microscope (SEM). In order to check the usefulness of porous metal film for TFE application, the porous silver film prepared on amorphous silicon (a- Si) and silicon oxide was released using XeF2 and VHF, respectively. Finally, guide line and structures are suggested to use this porous membrane for robust TFE application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=De-wetting" title="De-wetting">De-wetting</a>, <a href="https://publications.waset.org/search?q=thermal%20annealing" title=" thermal annealing"> thermal annealing</a>, <a href="https://publications.waset.org/search?q=metal" title=" metal"> metal</a>, <a href="https://publications.waset.org/search?q=melting%20point" title=" melting point"> melting point</a>, <a href="https://publications.waset.org/search?q=porous." title=" porous."> porous.</a> </p> <a href="https://publications.waset.org/10002143/preparation-of-porous-metal-membrane-by-thermal-annealing-for-thin-film-encapsulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002143/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002143/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002143/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002143/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002143/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002143/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002143/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002143/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002143/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002143/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002143.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">2068</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1402</span> Transparent and Solution Processable Low Contact Resistance SWCNT/AZONP Bilayer Electrodes for Sol-Gel Metal Oxide Thin Film Transistor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Su%20Jeong%20Lee">Su Jeong Lee</a>, <a href="https://publications.waset.org/search?q=Tae%20Il%20Lee"> Tae Il Lee</a>, <a href="https://publications.waset.org/search?q=Jung%20Han%20Kim"> Jung Han Kim</a>, <a href="https://publications.waset.org/search?q=Chul-Hong%20Kim"> Chul-Hong Kim</a>, <a href="https://publications.waset.org/search?q=Gee%20Sung%20Chae"> Gee Sung Chae</a>, <a href="https://publications.waset.org/search?q=Jae-Min%20Myoung"> Jae-Min Myoung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The contact resistance between source/drain electrodes and semiconductor layer is an important parameter affecting electron transporting performance in the thin film transistor (TFT). In this work, we introduced a transparent and the solution prossable single-walled carbon nanotube (SWCNT)/Al-doped ZnO nano particle (AZO NP) bilayer electrodes showing low contact resistance with indium-oxide (In2O3) sol gel thin film. By inserting low work function AZO NPs into the interface between the SWCNTs and the In2O3 which has a high energy barrier, we could obtain an electrical Ohmic contact between them. Finally, with the SWCNT-AZO NP bilayer electrodes, we successfully fabricated a TFT showing a field effect mobility of 5.38 cm2/V·s at 250°C.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Single-walled%20carbon%20nanotube%20%28SWCNT%29" title="Single-walled carbon nanotube (SWCNT)">Single-walled carbon nanotube (SWCNT)</a>, <a href="https://publications.waset.org/search?q=Al-doped%0D%0AZnO%20%28AZO%29%20nanoparticle" title=" Al-doped ZnO (AZO) nanoparticle"> Al-doped ZnO (AZO) nanoparticle</a>, <a href="https://publications.waset.org/search?q=contact%20resistance" title=" contact resistance"> contact resistance</a>, <a href="https://publications.waset.org/search?q=Thin-film%20transistor%0D%0A%28TFT%29." title=" Thin-film transistor (TFT)."> Thin-film transistor (TFT).</a> </p> <a href="https://publications.waset.org/10000425/transparent-and-solution-processable-low-contact-resistance-swcntazonp-bilayer-electrodes-for-sol-gel-metal-oxide-thin-film-transistor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000425/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000425/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000425/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000425/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000425/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000425/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000425/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000425/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000425/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000425/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000425.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">2789</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1401</span> Glutamic Acid Production from Potato by Brevibacterium linens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Marzieh%20Moosavi-Nasab">Marzieh Moosavi-Nasab</a>, <a href="https://publications.waset.org/search?q=Masoumeh%20Izadi"> Masoumeh Izadi</a>, <a href="https://publications.waset.org/search?q=Sara%20Hosseinpour"> Sara Hosseinpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the possibility of using potato as a substrate for glutamic acid production by Brevibacterium linens was investigated. For preparation of fermentation medium, potato was hydrolyzed by hydrochloridric acid. The medium contained potato hydrolysate, tween 80, mineral solution, glucose, and potassium hydrogen phosphate. The initial pH of the medium was adjusted to 7-7.5. For achieving the optimum time with maximum yield, the beakers containing the medium and the inoculums were incubated in a rotary water bath flask shaker for one to five days. Thin layer choromatography was used for quantitative and qualitative assay of the glutamic acid produced. The results revealed that as fermentation time increased, pH of the fermentation medium significantly decreased (P<0.05). Furthermore, glutamic acid concentration in fermentation medium increased significantly (P<0.05). The highest amount of the glutamic acid obtained was 5.6 g/l on the forth day of fermentation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Brevibacterium%20linens" title="Brevibacterium linens">Brevibacterium linens</a>, <a href="https://publications.waset.org/search?q=Fermentation" title=" Fermentation"> Fermentation</a>, <a href="https://publications.waset.org/search?q=Glutamicacid" title=" Glutamicacid"> Glutamicacid</a>, <a href="https://publications.waset.org/search?q=Thin%20layer%20choromatography" title=" Thin layer choromatography"> Thin layer choromatography</a> </p> <a href="https://publications.waset.org/4248/glutamic-acid-production-from-potato-by-brevibacterium-linens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/4248/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/4248/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/4248/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/4248/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/4248/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/4248/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/4248/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/4248/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/4248/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/4248/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/4248.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">2565</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1400</span> A Numerical Study on Electrophoresis of a Soft Particle with Charged Core Coated with Polyelectrolyte Layer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Partha%20Sarathi%20Majee">Partha Sarathi Majee</a>, <a href="https://publications.waset.org/search?q=S.%20Bhattacharyya"> S. Bhattacharyya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Migration of a core-shell soft particle under the influence of an external electric field in an electrolyte solution is studied numerically. The soft particle is coated with a positively charged polyelectrolyte layer (PEL) and the rigid core is having a uniform surface charge density. The Darcy-Brinkman extended Navier-Stokes equations are solved for the motion of the ionized fluid, the non-linear Nernst-Planck equations for the ion transport and the Poisson equation for the electric potential. A pressure correction based iterative algorithm is adopted for numerical computations. The effects of convection on double layer polarization (DLP) and diffusion dominated counter ions penetration are investigated for a wide range of Debye layer thickness, PEL fixed surface charge density, and permeability of the PEL. Our results show that when the Debye layer is in order of the particle size, the DLP effect is significant and produces a reduction in electrophoretic mobility. However, the double layer polarization effect is negligible for a thin Debye layer or low permeable cases. The point of zero mobility and the existence of mobility reversal depending on the electrolyte concentration are also presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Debye%20length" title="Debye length">Debye length</a>, <a href="https://publications.waset.org/search?q=double%20layer%20polarization" title=" double layer polarization"> double layer polarization</a>, <a href="https://publications.waset.org/search?q=electrophoresis" title=" electrophoresis"> electrophoresis</a>, <a href="https://publications.waset.org/search?q=mobility%20reversal" title=" mobility reversal"> mobility reversal</a>, <a href="https://publications.waset.org/search?q=soft%20particle." title=" soft particle."> soft particle.</a> </p> <a href="https://publications.waset.org/10006548/a-numerical-study-on-electrophoresis-of-a-soft-particle-with-charged-core-coated-with-polyelectrolyte-layer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10006548/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10006548/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10006548/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10006548/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10006548/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10006548/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10006548/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10006548/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10006548/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10006548/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10006548.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">1143</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1399</span> Fatigue Properties of Steel Sheets Treated by Nitrooxidation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Maronek">M. Maronek</a>, <a href="https://publications.waset.org/search?q=J.%20Barta"> J. Barta</a>, <a href="https://publications.waset.org/search?q=P.%20Palcek"> P. Palcek</a>, <a href="https://publications.waset.org/search?q=K.%20Ulrich"> K. Ulrich</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Low carbon deep drawing steel DC 01 according to EN 10130-91 was nitrooxidized in dissociated ammonia at 580°C/45 min and consequently oxidised at 380°C/5 min in vapour of distilled water. Material after nitrooxidation had 54 % increase of yield point, 34 % increase of strength and 10-times increased resistance to atmospheric corrosion in comparison to the material before nitrooxidation. The microstructure of treated material consisted of thin ε-phase layer connected to layer containing precipitated massive needle shaped Fe4N - γ' nitrides. This layer passed to a diffusion layer consisting of fine irregular shaped Fe16N2 - α'' nitrides regularly dispersed in ferritic matrix. Fatigue properties were examined under bending load with frequency of 20 kHz and sinusoidal symmetric cycle. The results confirmed positive influence of nitrooxidation on fatigue properties as fatigue limit of treated material was double in comparison to untreated material.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=steel%20sheet" title="steel sheet">steel sheet</a>, <a href="https://publications.waset.org/search?q=fatigue" title=" fatigue"> fatigue</a>, <a href="https://publications.waset.org/search?q=nitrooxidation" title=" nitrooxidation"> nitrooxidation</a>, <a href="https://publications.waset.org/search?q=S-N%20diagram" title=" S-N diagram"> S-N diagram</a> </p> <a href="https://publications.waset.org/10527/fatigue-properties-of-steel-sheets-treated-by-nitrooxidation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10527/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10527/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10527/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10527/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10527/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10527/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10527/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10527/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10527/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10527/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10527.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">1722</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1398</span> CuO Thin Films Deposition by Spray Pyrolysis: Influence of Precursor Solution Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Lamri%20Zeggar">M. Lamri Zeggar</a>, <a href="https://publications.waset.org/search?q=F.%20Bourfaa"> F. Bourfaa</a>, <a href="https://publications.waset.org/search?q=A.%20Adjimi"> A. Adjimi</a>, <a href="https://publications.waset.org/search?q=F.%20Boutbakh"> F. Boutbakh</a>, <a href="https://publications.waset.org/search?q=M.%20S.%20Aida"> M. S. Aida</a>, <a href="https://publications.waset.org/search?q=N.%20Attaf"> N. Attaf</a> </p> <p class="card-text"><strong>Abstract:</strong></p> CuO thin films were deposited by spray ultrasonic pyrolysis with different precursor solution. Two staring solution slats were used namely: copper acetate and copper chloride. The influence of these solutions on CuO thin films proprieties of is instigated. The X rays diffraction (XDR) analysis indicated that the films deposed with copper acetate are amorphous however the films elaborated with copper chloride have monoclinic structure. UV- Visible transmission spectra showed a strong absorbance of the deposited CuO thin films in the visible region. Electrical characterization has shown that CuO thin films prepared with copper acetate have a higher electrical conductivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Thin%20films" title="Thin films">Thin films</a>, <a href="https://publications.waset.org/search?q=cuprous%20oxide" title=" cuprous oxide"> cuprous oxide</a>, <a href="https://publications.waset.org/search?q=spray%20pyrolysis" title=" spray pyrolysis"> spray pyrolysis</a>, <a href="https://publications.waset.org/search?q=precursor%0D%0Asolution." title=" precursor solution."> precursor solution.</a> </p> <a href="https://publications.waset.org/10002779/cuo-thin-films-deposition-by-spray-pyrolysis-influence-of-precursor-solution-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002779/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002779/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002779/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002779/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002779/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002779/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002779/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002779/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002779/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002779/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002779.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">3304</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1397</span> Lateral Torsional Buckling of Steel Thin-Walled Beams with Lateral Restraints</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Ivan%20Bal%C3%A1zs">Ivan Balázs</a>, <a href="https://publications.waset.org/search?q=Jind%C5%99ich%20Melcher"> Jindřich Melcher</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Metal thin-walled members have been widely used in building industry. Usually they are utilized as purlins, girts or ceiling beams. Due to slenderness of thin-walled cross-sections these structural members are prone to stability problems (e.g. flexural buckling, lateral torsional buckling). If buckling is not constructionally prevented their resistance is limited by buckling strength. In practice planar members of roof or wall cladding can be attached to thin-walled members. These elements reduce displacement of thin-walled members and therefore increase their buckling strength. If this effect is taken into static assessment more economical sections of thin-walled members might be utilized and certain savings of material might be achieved. This paper focuses on problem of determination of critical load of steel thin-walled beams with lateral continuous restraint which is crucial for lateral torsional buckling assessment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Beam" title="Beam">Beam</a>, <a href="https://publications.waset.org/search?q=buckling" title=" buckling"> buckling</a>, <a href="https://publications.waset.org/search?q=numerical%20analysis" title=" numerical analysis"> numerical analysis</a>, <a href="https://publications.waset.org/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/search?q=steel." title=" steel."> steel.</a> </p> <a href="https://publications.waset.org/10001701/lateral-torsional-buckling-of-steel-thin-walled-beams-with-lateral-restraints" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10001701/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10001701/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10001701/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10001701/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10001701/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10001701/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10001701/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10001701/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10001701/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10001701/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10001701.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">2914</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1396</span> Work Function Engineering of Functionally Graded ZnO+Ga2O3 Thin Film for Solar Cell and Organic Light Emitting Diodes Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Yong-Taeg%20Oh">Yong-Taeg Oh</a>, <a href="https://publications.waset.org/search?q=Won%20Song"> Won Song</a>, <a href="https://publications.waset.org/search?q=Seok-Eui%20Choi"> Seok-Eui Choi</a>, <a href="https://publications.waset.org/search?q=Bo-Ra%20Koo"> Bo-Ra Koo</a>, <a href="https://publications.waset.org/search?q=Dong-Chan%20Shin"> Dong-Chan Shin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> ZnO+Ga2O3 functionally graded thin films (FGTFs) were examined for their potential use as Solar cell and organic light emitting diodes (OLEDs). FGTF transparent conducting oxides (TCO) were fabricated by combinatorial RF magnetron sputtering. The composition gradient was controlled up to 10% by changing the plasma power of the two sputter guns. A Ga2O3+ZnO graded region was placed on the top layer of ZnO. The FGTFs showed up to 80% transmittance. Their surface resistances were reduced to < 10% by increasing the Ga2O3: pure ZnO ratio in the TCO. The FGTFs- work functions could be controlled within a range of 0.18 eV. The controlled work function is a very promising technology because it reduces the contact resistance between the anode and Hall transport layers of OLED and solar cell devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Work%20Function" title="Work Function">Work Function</a>, <a href="https://publications.waset.org/search?q=TCO" title=" TCO"> TCO</a>, <a href="https://publications.waset.org/search?q=Functionally%20Graded%20Thin%20Films" title=" Functionally Graded Thin Films"> Functionally Graded Thin Films</a>, <a href="https://publications.waset.org/search?q=Resistance" title=" Resistance"> Resistance</a>, <a href="https://publications.waset.org/search?q=Transmittance." title=" Transmittance."> Transmittance.</a> </p> <a href="https://publications.waset.org/1237/work-function-engineering-of-functionally-graded-znoga2o3-thin-film-for-solar-cell-and-organic-light-emitting-diodes-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/1237/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/1237/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/1237/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/1237/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/1237/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/1237/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/1237/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/1237/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/1237/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/1237/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/1237.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">2369</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1395</span> Surface Modification by EUV laser Beam based on Capillary Discharge</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=O.%20Frolov">O. Frolov</a>, <a href="https://publications.waset.org/search?q=K.%20Kolacek"> K. Kolacek</a>, <a href="https://publications.waset.org/search?q=J.%20Schmidt"> J. Schmidt</a>, <a href="https://publications.waset.org/search?q=J.%20Straus"> J. Straus</a>, <a href="https://publications.waset.org/search?q=V.%20Prukner"> V. Prukner</a>, <a href="https://publications.waset.org/search?q=A.%20Shukurov"> A. Shukurov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many applications require surface modification and micro-structuring of polymers. For these purposes is mainly used ultraviolet (UV) radiation from excimer lamps or excimer lasers. However, these sources have a decided disadvantage - degrading the polymer deep inside due to relatively big radiation penetration depth which may exceed 100 μm. In contrast, extreme ultraviolet (EUV) radiation is absorbed in a layer approximately 100 nm thick only. In this work, the radiation from a discharge-plasma EUV source (with wavelength 46.9 nm) based on a capillary discharge driver is focused with a spherical Si/Sc multilayer mirror for surface modification of PMMA sample or thin gold layer (thickness about 40 nm). It was found that the focused EUV laser beam is capable by one shot to ablate PMMA or layer of gold, even if the focus is significantly influenced by astigmatism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=ablation" title="ablation">ablation</a>, <a href="https://publications.waset.org/search?q=capillary%20discharge" title=" capillary discharge"> capillary discharge</a>, <a href="https://publications.waset.org/search?q=EUV%20laser" title=" EUV laser"> EUV laser</a>, <a href="https://publications.waset.org/search?q=surface%0Amodification" title=" surface modification"> surface modification</a> </p> <a href="https://publications.waset.org/6568/surface-modification-by-euv-laser-beam-based-on-capillary-discharge" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/6568/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/6568/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/6568/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/6568/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/6568/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/6568/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/6568/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/6568/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/6568/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/6568/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/6568.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">1566</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1394</span> Investigation of Thin Film Cathode Prepared by Synthesized Nano Pyrite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=S.%20Kowsari">S. Kowsari</a>, <a href="https://publications.waset.org/search?q=M.%20Aghaziarati"> M. Aghaziarati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pyrite (FeS2) is a promising candidate for cathode materials in batteries because of it`s high theoretical capacity, low cost and non-toxicity. In this study, nano size iron disulfide thin film was prepared on graphite substrate through a new method as battery cathode. In this way, acetylene black and poly vinylidene fluoride were used as electron conductor and binder, respectively. Fabricated thin films were analyzed by XRD and SEM. These results and electrochemical data confirm improvement of battery discharge capacity in comparison with commercial type of pyrite. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Nano%20pyrite" title="Nano pyrite">Nano pyrite</a>, <a href="https://publications.waset.org/search?q=Thin%20film" title=" Thin film"> Thin film</a>, <a href="https://publications.waset.org/search?q=Battery%20cathode" title=" Battery cathode"> Battery cathode</a>, <a href="https://publications.waset.org/search?q=capacity." title=" capacity."> capacity.</a> </p> <a href="https://publications.waset.org/10803/investigation-of-thin-film-cathode-prepared-by-synthesized-nano-pyrite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10803/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10803/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10803/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10803/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10803/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10803/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10803/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10803/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10803/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10803/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10803.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">1934</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1393</span> Perfect Plastic Deformation of a Circular Thin Bronze Plate due to the Growth and Collapse of a Vapour Bubble</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.T.%20Shervani-Tabar">M.T. Shervani-Tabar</a>, <a href="https://publications.waset.org/search?q=M.%20Rezaee"> M. Rezaee</a>, <a href="https://publications.waset.org/search?q=E.%20Madadi%20Kandjani"> E. Madadi Kandjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Dynamics of a vapour bubble generated due to a high local energy input near a circular thin bronze plate in the absence of the buoyancy forces is numerically investigated in this paper. The bubble is generated near a thin bronze plate and during the growth and collapse of the bubble, it deforms the nearby plate. The Boundary Integral Equation Method is employed for numerical simulation of the problem. The fluid is assumed to be incompressible, irrotational and inviscid and the surface tension on the bubble boundary is neglected. Therefore the fluid flow around the vapour bubble can be assumed as a potential flow. Furthermore, the thin bronze plate is assumed to have perfectly plastic behaviour. Results show that the displacement of the circular thin bronze plate has considerable effect on the dynamics of its nearby vapour bubble. It is found that by decreasing the thickness of the thin bronze plate, the growth and collapse rate of the bubble becomes higher and consequently the lifetime of the bubble becomes shorter.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Vapour%20Bubble" title="Vapour Bubble">Vapour Bubble</a>, <a href="https://publications.waset.org/search?q=Thin%20Bronze%20Plate" title=" Thin Bronze Plate"> Thin Bronze Plate</a>, <a href="https://publications.waset.org/search?q=Boundary%20Integral%0D%0AEquation%20Method." title=" Boundary Integral Equation Method."> Boundary Integral Equation Method.</a> </p> <a href="https://publications.waset.org/8731/perfect-plastic-deformation-of-a-circular-thin-bronze-plate-due-to-the-growth-and-collapse-of-a-vapour-bubble" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/8731/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/8731/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/8731/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/8731/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/8731/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/8731/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/8731/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/8731/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/8731/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/8731/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/8731.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">1526</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1392</span> Thin Bed Reservoir Delineation Using Spectral Decomposition and Instantaneous Seismic Attributes, Pohokura Field, Taranaki Basin, New Zealand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20Sophon">P. Sophon</a>, <a href="https://publications.waset.org/search?q=M.%20Kruachanta"> M. Kruachanta</a>, <a href="https://publications.waset.org/search?q=S.%20Chaisri"> S. Chaisri</a>, <a href="https://publications.waset.org/search?q=G.%20Leaungvongpaisan"> G. Leaungvongpaisan</a>, <a href="https://publications.waset.org/search?q=P.%20Wongpornchai"> P. Wongpornchai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>The thick bed hydrocarbon reservoirs are primarily interested because of the more prolific production. When the amount of petroleum in the thick bed starts decreasing, the thin bed reservoirs are the alternative targets to maintain the reserves. The conventional interpretation of seismic data cannot delineate the thin bed having thickness less than the vertical seismic resolution. Therefore, spectral decomposition and instantaneous seismic attributes were used to delineate the thin bed in this study. Short Window Discrete Fourier Transform (SWDFT) spectral decomposition and instantaneous frequency attributes were used to reveal the thin bed reservoir, while Continuous Wavelet Transform (CWT) spectral decomposition and envelope (instantaneous amplitude) attributes were used to indicate hydrocarbon bearing zone. The study area is located in the Pohokura Field, Taranaki Basin, New Zealand. The thin bed target is the uppermost part of Mangahewa Formation, the most productive in the gas-condensate production in the Pohokura Field. According to the time-frequency analysis, SWDFT spectral decomposition can reveal the thin bed using a 72 Hz SWDFT isofrequency section and map, and that is confirmed by the instantaneous frequency attribute. The envelope attribute showing the high anomaly indicates the hydrocarbon accumulation area at the thin bed target. Moreover, the CWT spectral decomposition shows the low-frequency shadow zone and abnormal seismic attenuation in the higher isofrequencies below the thin bed confirms that the thin bed can be a prospective hydrocarbon zone.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Hydrocarbon%20indication" title="Hydrocarbon indication">Hydrocarbon indication</a>, <a href="https://publications.waset.org/search?q=instantaneous%20seismic%20attribute" title=" instantaneous seismic attribute"> instantaneous seismic attribute</a>, <a href="https://publications.waset.org/search?q=spectral%20decomposition" title=" spectral decomposition"> spectral decomposition</a>, <a href="https://publications.waset.org/search?q=thin%20bed%20delineation." title=" thin bed delineation."> thin bed delineation.</a> </p> <a href="https://publications.waset.org/10012163/thin-bed-reservoir-delineation-using-spectral-decomposition-and-instantaneous-seismic-attributes-pohokura-field-taranaki-basin-new-zealand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10012163/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10012163/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10012163/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10012163/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10012163/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10012163/json" target="_blank" rel="nofollow" class="btn btn-primary 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