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Ezzat</title> <meta name="description" content="Search results for: Wafaa Ezzat"> <meta name="keywords" content="Wafaa Ezzat"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Wafaa Ezzat"> <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> 8</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Wafaa Ezzat</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Predictors of Non-Alcoholic Fatty Liver Disease in Egyptian Obese Adolescents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Moushira%20Zaki">Moushira Zaki</a>, <a href="https://publications.waset.org/search?q=Wafaa%20Ezzat"> Wafaa Ezzat</a>, <a href="https://publications.waset.org/search?q=Yasser%20Elhosary"> Yasser Elhosary</a>, <a href="https://publications.waset.org/search?q=Omnia%20Saleh"> Omnia Saleh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Nonalcoholic fatty liver disease (NAFLD) has increased in conjunction with obesity. The accuracy of risk factors for detecting NAFLD in obese adolescents has not undergone a formal evaluation. The aim of this study was to evaluate predictors of NAFLD among Egyptian female obese adolescents. The study included 162 obese female adolescents. All were subjected to anthropometry, biochemical analysis and abdominal ultrasongraphic assessment. Metabolic syndrome (MS) was diagnosed according to the IDF criteria. Significant association between presence of MS and NAFLD was observed. Obese adolescents with NAFLD had significantly higher levels of ALT, triglycerides, fasting glucose, insulin, blood pressure and HOMA-IR, whereas decreased HDL-C levels as compared with obese cases without NAFLD. Receiver– operating characteristic (ROC) curve analysis shows that ALT is a sensitive predictor for NAFLD, confirming that ALT can be used as a marker of NAFLD.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Adolescents" title="Adolescents">Adolescents</a>, <a href="https://publications.waset.org/search?q=Egyptians" title=" Egyptians"> Egyptians</a>, <a href="https://publications.waset.org/search?q=obesity." title=" obesity."> obesity.</a> </p> <a href="https://publications.waset.org/10000218/predictors-of-non-alcoholic-fatty-liver-disease-in-egyptian-obese-adolescents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000218/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000218/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000218/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000218/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000218/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000218/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000218/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000218/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000218/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000218/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000218.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">2414</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">7</span> Green, Smooth and Easy Electrochemical Synthesis of N-Protected Indole Derivatives</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Sarah%20Fahad%20Alajmi">Sarah Fahad Alajmi</a>, <a href="https://publications.waset.org/search?q=Tamer%20Ezzat%20Youssef"> Tamer Ezzat Youssef</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Here, we report a simple method for the direct conversion of 6-Nitro-1H-indole into <em>N</em>-substituted indoles via electrochemical dehydrogenative reaction with halogenated reagents under strongly basic conditions through N–R bond formation. The <em>N</em>-protected indoles have been prepared under moderate and scalable electrolytic conditions. The conduct of the reactions was performed in a simple divided cell under constant current without oxidizing reagents or transition-metal catalysts. The synthesized products have been characterized via UV/Vis spectrophotometry, 1H-NMR, and FTIR spectroscopy. A possible reaction mechanism is discussed based on the <em>N</em>-protective products. This methodology could be applied to the synthesis of various biologically active <em>N</em>-substituted indole derivatives.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Green%20chemistry" title="Green chemistry">Green chemistry</a>, <a href="https://publications.waset.org/search?q=1H-indole" title=" 1H-indole"> 1H-indole</a>, <a href="https://publications.waset.org/search?q=NH-containing%20heteroaromatic" title=" NH-containing heteroaromatic"> NH-containing heteroaromatic</a>, <a href="https://publications.waset.org/search?q=organic%20electrosynthesis." title=" organic electrosynthesis."> organic electrosynthesis.</a> </p> <a href="https://publications.waset.org/10011761/green-smooth-and-easy-electrochemical-synthesis-of-n-protected-indole-derivatives" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10011761/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10011761/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10011761/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10011761/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10011761/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10011761/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10011761/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10011761/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10011761/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10011761/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10011761.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">931</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">6</span> A Fast Adaptive Content-based Retrieval System of Satellite Images Database using Relevance Feedback</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hanan%20Mahmoud%20Ezzat%20Mahmoud">Hanan Mahmoud Ezzat Mahmoud</a>, <a href="https://publications.waset.org/search?q=Alaa%20Abd%20El%20Fatah%20Hefnawy"> Alaa Abd El Fatah Hefnawy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we present a system for content-based retrieval of large database of classified satellite images, based on user's relevance feedback (RF).Through our proposed system, we divide each satellite image scene into small subimages, which stored in the database. The modified radial basis functions neural network has important role in clustering the subimages of database according to the Euclidean distance between the query feature vector and the other subimages feature vectors. The advantage of using RF technique in such queries is demonstrated by analyzing the database retrieval results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=content-based%20image%20retrieval" title="content-based image retrieval">content-based image retrieval</a>, <a href="https://publications.waset.org/search?q=large%20database%20of%0Aimage" title=" large database of image"> large database of image</a>, <a href="https://publications.waset.org/search?q=RBF%20neural%20net" title=" RBF neural net"> RBF neural net</a>, <a href="https://publications.waset.org/search?q=relevance%20feedback" title=" relevance feedback"> relevance feedback</a> </p> <a href="https://publications.waset.org/3357/a-fast-adaptive-content-based-retrieval-system-of-satellite-images-database-using-relevance-feedback" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3357/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3357/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3357/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3357/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3357/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3357/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3357/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3357/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3357/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3357/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3357.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">1470</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">5</span> Power Series Solution to Sliding Velocity in Three-Dimensional Multibody Systems with Impact and Friction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Hesham%20A.%20Elkaranshawy">Hesham A. Elkaranshawy</a>, <a href="https://publications.waset.org/search?q=Amr%20M.%20Abdelrazek"> Amr M. Abdelrazek</a>, <a href="https://publications.waset.org/search?q=Hosam%20M.%20Ezzat"> Hosam M. Ezzat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The system of ordinary nonlinear differential equations describing sliding velocity during impact with friction for a three-dimensional rigid-multibody system is developed. No analytical solutions have been obtained before for this highly nonlinear system. Hence, a power series solution is proposed. Since the validity of this solution is limited to its convergence zone, a suitable time step is chosen and at the end of it a new series solution is constructed. For a case study, the trajectory of the sliding velocity using the proposed method is built using 6 time steps, which coincides with a Runge- Kutta solution using 38 time steps. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Impact%20with%20friction" title="Impact with friction">Impact with friction</a>, <a href="https://publications.waset.org/search?q=nonlinear%20ordinary%20differential%0D%0Aequations" title=" nonlinear ordinary differential equations"> nonlinear ordinary differential equations</a>, <a href="https://publications.waset.org/search?q=power%20series%20solutions" title=" power series solutions"> power series solutions</a>, <a href="https://publications.waset.org/search?q=rough%20collision." title=" rough collision."> rough collision.</a> </p> <a href="https://publications.waset.org/10002452/power-series-solution-to-sliding-velocity-in-three-dimensional-multibody-systems-with-impact-and-friction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10002452/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10002452/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10002452/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10002452/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10002452/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10002452/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10002452/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10002452/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10002452/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10002452/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10002452.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">1916</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">4</span> Enhancement of Rice Straw Composting Using UV Induced Mutants of Penicillium Strain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=T.%20N.%20M.%20El%20Sebai">T. N. M. El Sebai</a>, <a href="https://publications.waset.org/search?q=A.%20A.Khattab"> A. A.Khattab</a>, <a href="https://publications.waset.org/search?q=Wafaa%20M.%20Abd-El%20Rahim"> Wafaa M. Abd-El Rahim</a>, <a href="https://publications.waset.org/search?q=H.%20Moawad"> H. Moawad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Fungal mutant strains have produced cellulase and xylanase enzymes, and have induced high hydrolysis with enhanced of rice straw. The mutants were obtained by exposing Penicillium strain to UV-light treatments. Screening and selection after treatment with UV-light were carried out using cellulolytic and xylanolytic clear zones method to select the hypercellulolytic and hyperxylanolytic mutants. These mutants were evaluated for their cellulase and xylanase enzyme production as well as their abilities for biodegradation of rice straw. The mutant 12 UV/1 produced 306.21% and 209.91% cellulase and xylanase, respectively, as compared with the original wild type strain. This mutant showed high capacity of rice straw degradation. The effectiveness of tested mutant strain and that of wild strain was compared in relation to enhancing the composting process of rice straw and animal manures mixture. The results obtained showed that the compost product of inoculated mixture with mutant strain (12 UV/1) was the best compared to the wild strain and un-inoculated mixture. Analysis of the composted materials showed that the characteristics of the produced compost were close to those of the high quality standard compost. The results obtained in the present work suggest that the combination between rice straw and animal manure could be used for enhancing the composting process of rice straw and particularly when applied with fungal decomposer accelerating the composting process.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Rice%20straw" title="Rice straw">Rice straw</a>, <a href="https://publications.waset.org/search?q=composting" title=" composting"> composting</a>, <a href="https://publications.waset.org/search?q=UV%20mutants" title=" UV mutants"> UV mutants</a>, <a href="https://publications.waset.org/search?q=Penicillium." title=" Penicillium."> Penicillium.</a> </p> <a href="https://publications.waset.org/10000937/enhancement-of-rice-straw-composting-using-uv-induced-mutants-of-penicillium-strain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10000937/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10000937/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10000937/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10000937/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10000937/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10000937/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10000937/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10000937/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10000937/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10000937/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10000937.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">1823</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">3</span> Is Curcumine Effect Comparable to 5- Aminosalicylic Acid or Budesonide on a Rat Model of Ulcerative Colitis Induced by Trinitrobenzene Sulfonic Acid?</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Inas%20E.%20Darwish">Inas E. Darwish</a>, <a href="https://publications.waset.org/search?q=Alia%20M.%20Arab"> Alia M. Arab</a>, <a href="https://publications.waset.org/search?q=Tarek%20A.%20Azeim"> Tarek A. Azeim</a>, <a href="https://publications.waset.org/search?q=Teshreen%20M.%20Zeitoun"> Teshreen M. Zeitoun</a>, <a href="https://publications.waset.org/search?q=Wafaa%20A.%20Hewedy"> Wafaa A. Hewedy</a>, <a href="https://publications.waset.org/search?q=Moemen%20A.%20Heiba"> Moemen A. Heiba</a>, <a href="https://publications.waset.org/search?q=Iman%20S.%20Emara"> Iman S. Emara</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Inflammatory bowel disease (IBD) is a chronic relapsing-remitting condition that afflicts millions of people throughout the world and impairs their daily functions and quality of life. Treatment of IBD depends largely on 5-aminosalicylic acid (5- ASA) and corticosteroids. The present study aimed to clarify the effects of 5-aminosalicylic acid, budesonide and currcumin on 90 male albino rats against trinitrobenzene sulfonic acid (TNB) induced colitis. TNB was injected intrarectally to 50 rats. The other 40 rats served as control groups. Both 5-ASA (in a dose of 120 mg/kg) and budesonide (in a dose of 0.1 mg/kg) were administered daily for one week whereas currcumin was injected intraperitonially (in a dose of 30 mg/kg daily) for 14 days after injection of either TNB in the colitis rats (group B) or saline in control groups (group A). The study included estimation of macroscopic score index, histological examination of H&E stained sections of the colonic tissue, biochemical estimation of myeloperoxidase (MPO), nitric oxide (NO), and caspase-3 levels, in addition to studying the effect of tested drugs on colonic motility. It was found that budesonide and curcumin improved mucosal healing, reduced both NO production and caspase- 3 level. They had the best impact on the disturbed colonic motility in TNBS-model of colitis.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Colitis" title="Colitis">Colitis</a>, <a href="https://publications.waset.org/search?q=curcumin" title=" curcumin"> curcumin</a>, <a href="https://publications.waset.org/search?q=nitric%20oxide." title=" nitric oxide."> nitric oxide.</a> </p> <a href="https://publications.waset.org/16143/is-curcumine-effect-comparable-to-5-aminosalicylic-acid-or-budesonide-on-a-rat-model-of-ulcerative-colitis-induced-by-trinitrobenzene-sulfonic-acid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/16143/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/16143/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/16143/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/16143/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/16143/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/16143/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/16143/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/16143/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/16143/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/16143/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/16143.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">1670</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">2</span> Numerical Simulation of Axially Loaded to Failure Large Diameter Bored Pile </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20Ezzat">M. Ezzat</a>, <a href="https://publications.waset.org/search?q=Y.%20Zaghloul"> Y. Zaghloul</a>, <a href="https://publications.waset.org/search?q=T.%20Sorour"> T. Sorour</a>, <a href="https://publications.waset.org/search?q=A.%20Hefny"> A. Hefny</a>, <a href="https://publications.waset.org/search?q=M.%20Eid"> M. Eid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>Ultimate capacity of large diameter bored piles is usually determined from pile loading tests as recommended by several international codes and foundation design standards. However, loading of this type of piles till achieving apparent failure is practically seldom. In this paper, numerical analyses are carried out to simulate load test of a large diameter bored pile performed at the location of Alzey highway bridge project (Germany). Test results of pile load settlement relationship till failure as well as results of the base and shaft resistances are available. Apparent failure was indicated in this test by the significant increase of the induced settlement during the last load increment applied on the pile head. Measurements of this pile load test are used to assess the quality of the numerical models investigated. Three different material soil models are implemented in the analyses: Mohr coulomb (MC), Soft soil (SS), and Modified Mohr coulomb (MMC). Very good agreement is obtained between the field measured settlement and the calculated settlement using the MMC model. Results of analysis showed also that the MMC constitutive model is superior to MC, and SS models in predicting the ultimate base and shaft resistances of the large diameter bored pile. After calibrating the numerical model, behavior of large diameter bored piles under axial loads is discussed and the formation of the plastic zone around the pile is explored. Results obtained showed that the plastic zone below the base of the pile at failure extended laterally to about four times the pile diameter and vertically to about three times the pile diameter.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Ultimate%20capacity" title="Ultimate capacity">Ultimate capacity</a>, <a href="https://publications.waset.org/search?q=large%20diameter%20bored%20piles" title=" large diameter bored piles"> large diameter bored piles</a>, <a href="https://publications.waset.org/search?q=plastic%20zone" title=" plastic zone"> plastic zone</a>, <a href="https://publications.waset.org/search?q=failure" title=" failure"> failure</a>, <a href="https://publications.waset.org/search?q=pile%20load%20test." title=" pile load test. "> pile load test. </a> </p> <a href="https://publications.waset.org/10010312/numerical-simulation-of-axially-loaded-to-failure-large-diameter-bored-pile" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10010312/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10010312/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10010312/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10010312/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10010312/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10010312/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/10010312/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/10010312/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/10010312/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/10010312/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/10010312.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">919</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">1</span> In vitro and in vivo Anticholinesterase Activity of the Volatile Oil of the Aerial Parts of Ocimum basilicum L. and O. africanum Lour. Growing in Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=M.%20G.%20Tadros">M. G. Tadros</a>, <a href="https://publications.waset.org/search?q=S.%20M.%20Ezzat"> S. M. Ezzat</a>, <a href="https://publications.waset.org/search?q=M.%20M.%20Salama"> M. M. Salama</a>, <a href="https://publications.waset.org/search?q=M.%20A.%20Farag"> M. A. Farag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p><span style="line-height: 20.8px;">In this study, the in vitro anticholinesterase activity of</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">the volatile oils of both O. basilicum and O. africanum was</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">investigated and both samples showed significant activity. The major</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">constituents of the two oils were isolated using several column</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">chromatographies. Linalool, 1,8-cineol and eugenol were isolated</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">from the volatile oil of O. basilicum and camphor was isolated from</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">the volatile oil of O. africanum. The anticholinesterase activities of</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">the isolated compounds were also evaluated where 1,8-cineol showed</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">the highest inhibitory activity followed by camphor. To confirm these</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">activities, learning and memory enhancing effects were tested in</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">mice. Memory impairment was induced by scopolamine, a</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">cholinergic muscarinic receptor antagonist. Anti-amnesic effects of</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">both volatile oils and their terpenoids were investigated by the</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">passive avoidance task in mice. We also examined their effects on</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">brain acetylcholinesterase activity. Results showed that scopolamineinduced</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">cognitive dysfunction was significantly attenuated by</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">administration of the volatile oils and their terpenoids, eugenol and</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">camphor, in the passive avoidance task and inhibited brain</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">acetylcholinesterase activity. These results suggest that O. basilicum</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">and O. africanum volatile oils can be good candidates for further</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">studies on Alzheimer’s disease via their acetylcholinesterase</span><br style="line-height: 20.8px;" /> <span style="line-height: 20.8px;">inhibitory actions.</span></p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Acetylcholinesterase" title="Acetylcholinesterase">Acetylcholinesterase</a>, <a href="https://publications.waset.org/search?q=Ocimum%20africanum" title=" Ocimum africanum"> Ocimum africanum</a>, <a href="https://publications.waset.org/search?q=Ocimum%20basilicum" title=" Ocimum basilicum"> Ocimum basilicum</a>, <a href="https://publications.waset.org/search?q=passive%20avoidance." title=" passive avoidance."> passive avoidance.</a> </p> <a href="https://publications.waset.org/9997670/in-vitro-and-in-vivo-anticholinesterase-activity-of-the-volatile-oil-of-the-aerial-parts-of-ocimum-basilicum-l-and-o-africanum-lour-growing-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9997670/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9997670/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9997670/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9997670/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9997670/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9997670/json" target="_blank" rel="nofollow" class="btn btn-primary 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