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Youssef</title> <meta name="description" content="Search results for: Tamer E. Youssef"> <meta name="keywords" content="Tamer E. Youssef"> <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" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Tamer E. 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Youssef"> <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> 107</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Tamer E. Youssef</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</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/abstracts/search?q=Sarah%20Fahad%20Alajmi">Sarah Fahad Alajmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Ezzat%20Youssef"> Tamer Ezzat Youssef</a> </p> <p class="card-text"><strong>Abstract:</strong></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 class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20chemistry" title="green chemistry">green chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=1H-indole" title=" 1H-indole"> 1H-indole</a>, <a href="https://publications.waset.org/abstracts/search?q=heteroaromatic" title=" heteroaromatic"> heteroaromatic</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20electrosynthesis" title=" organic electrosynthesis"> organic electrosynthesis</a> </p> <a href="https://publications.waset.org/abstracts/129536/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/abstracts/129536.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">161</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">106</span> The Impact of Political Satire on the Balance of Political Powers in Egypt: The Case of El-Bernameg in Egypt </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sally%20Barsoum">Sally Barsoum</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is providing a significant insight into the role of satire in Egyptian politics and how it has been received from the government and viewer’s point of view. It mainly sets out to test whether Bassem Youssef’s satirical program has played a significant role in Egypt recent politics and to investigate what is the nature and extent of this role. In order to test this hypothesis, the researcher chose to critically analyze one episode of Bassem Youssef’s satirical show, El Bernameg. This paper goes further to highlight that the aims of satire is to invite citizens to analyze, criticize and question people in power and the realm of politics rather than remain as untouched subjects by combining humor with critique in order to enhance citizens’ political awareness and perhaps even political engagement. Moreover it identifies that Bassem Youssef’s satire is to use laughter as a medium to communicate his political message. By first informing the public and secondly engaging them through laughter, satire plays a very constructive political role, which have been argued finally that Bassem Youssef has indeed played an important part in the Egyptian political scene of today and this can be measured by the degree of censorship that he has been subject to and the level of international and domestic reaction towards his satirical show. At the end, this paper is suggesting that the measure of a strong government is its ability not only to accommodate satire but also to learn from it. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=political%20satirist" title="political satirist">political satirist</a>, <a href="https://publications.waset.org/abstracts/search?q=Bassem%20Youssef" title=" Bassem Youssef"> Bassem Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=capital%20broadcasting%20center" title=" capital broadcasting center"> capital broadcasting center</a>, <a href="https://publications.waset.org/abstracts/search?q=TV%20channel" title=" TV channel"> TV channel</a>, <a href="https://publications.waset.org/abstracts/search?q=muslims%20brotherhood%20regime" title=" muslims brotherhood regime"> muslims brotherhood regime</a>, <a href="https://publications.waset.org/abstracts/search?q=ONTV%20Egyptian%20TV%20channel" title=" ONTV Egyptian TV channel"> ONTV Egyptian TV channel</a> </p> <a href="https://publications.waset.org/abstracts/59872/the-impact-of-political-satire-on-the-balance-of-political-powers-in-egypt-the-case-of-el-bernameg-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59872.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">322</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">105</span> Synthesis of Polystyrene Grafted Filler Nanoparticles: Effect of Grafting on Mechanical Reinforcement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Khlifa">M. Khlifa</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Youssef"> A. Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20F.%20Zaed"> A. F. Zaed</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Kraft"> A. Kraft</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Arrighi"> V. Arrighi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A series of PS-nanoparticles were prepared by grafting PS from both aggregated silica and colloidally silica using atom-transfer radical polymerisation (ATRP). The mechanical behaviour of the nanocomposites have been examined by differential scanning calorimetry (DSC)and dynamic mechanical thermal analysis (DMTA). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ATRP" title="ATRP">ATRP</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title=" nanocomposites"> nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=polystyrene" title=" polystyrene"> polystyrene</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforcement" title=" reinforcement"> reinforcement</a> </p> <a href="https://publications.waset.org/abstracts/19587/synthesis-of-polystyrene-grafted-filler-nanoparticles-effect-of-grafting-on-mechanical-reinforcement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19587.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">624</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">104</span> Survey of Web Service Composition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wala%20Ben%20Messaoud">Wala Ben Messaoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Ghedira"> Khaled Ghedira</a>, <a href="https://publications.waset.org/abstracts/search?q=Youssef%20Ben%20Halima"> Youssef Ben Halima</a>, <a href="https://publications.waset.org/abstracts/search?q=Henda%20Ben%20Ghezala"> Henda Ben Ghezala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A web service (WS) is called compound or composite when its execution involves interactions with other WS to use their features. The composition of WS specifies which services need to be invoked, in what order and how to handle exception conditions. This paper gives an overview of research efforts of WS composition. The approaches proposed in the literature are diverse, interesting and have opened important research areas. Based on many studies, we extracted the most important role of WS composition use in order to facilitate its introduction in WS concept. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SOA" title="SOA">SOA</a>, <a href="https://publications.waset.org/abstracts/search?q=web%20services" title=" web services"> web services</a>, <a href="https://publications.waset.org/abstracts/search?q=composition%20approach" title=" composition approach"> composition approach</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20WS" title=" composite WS"> composite WS</a> </p> <a href="https://publications.waset.org/abstracts/40923/survey-of-web-service-composition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40923.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">308</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">103</span> A Robotic Cube to Preschool Children for Acquiring the Mathematical and Colours Concepts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Amin%20Mousa">Ahmed Amin Mousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20M.%20Ismail"> Tamer M. Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Abd%20El%20Salam"> M. Abd El Salam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p class="Abstract" style="text-indent:10.2pt"><span lang="EN-US">This work presents a robot called Conceptual Robotic Cube, CR-Cube. The robot can be used as an educational tool for children from the age of three. It has a cube shape attached with a camera colours sensor. In addition, it contains four wheels to move smoothly. The researchers prepared a questionnaire to measure the efficiency of the robot. The design and the questionnaire was presented to 11 experts who agreed that the robot is appropriate for learning numbering and colours for preschool children.<o:p></o:p></span> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CR-Cube" title="CR-Cube">CR-Cube</a>, <a href="https://publications.waset.org/abstracts/search?q=robotic%20cube" title=" robotic cube"> robotic cube</a>, <a href="https://publications.waset.org/abstracts/search?q=conceptual%20robot" title=" conceptual robot"> conceptual robot</a>, <a href="https://publications.waset.org/abstracts/search?q=conceptual%20cube" title=" conceptual cube"> conceptual cube</a>, <a href="https://publications.waset.org/abstracts/search?q=colour%20concept" title=" colour concept"> colour concept</a>, <a href="https://publications.waset.org/abstracts/search?q=early%20childhood%20education" title=" early childhood education"> early childhood education</a> </p> <a href="https://publications.waset.org/abstracts/60740/a-robotic-cube-to-preschool-children-for-acquiring-the-mathematical-and-colours-concepts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60740.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">409</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">102</span> Protective Effects of Ethanolic Purslane Extracts on Doxorubicin-Induced Hepatotoxicity in Albino Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Osama%20M.%20Ahmed">Osama M. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Walaa%20G.%20Hozayen"> Walaa G. Hozayen</a>, <a href="https://publications.waset.org/abstracts/search?q=Haidy%20Tamer%20Abo%20Sree"> Haidy Tamer Abo Sree</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of doxorubicin (4 mg/kg b.w.week) without or with oral administration of ethanolic purslane (Portulaca oleracea) shoot (leaves and stems) extract (50 mg/kg b.w.day) or ethanolic purslane seeds extract (50 mg/kg b.w.day) co-treatments for 6 weeks was evaluated in adult male rats. There was an increase in serum levels of ALT, AST, ALP, GGT and total bilirubin. In addition, hepatic glutathine, glutathione transferase, peroxidase, SOD, CAT activities were decreased while lipid peroxidation in the liver was increased. Co-administration of ethanolic purslane and seed extracts successfully improved the adverse changes in the liver functions with an increase in antioxidants activities and reduction of lipid peroxidation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidants" title="antioxidants">antioxidants</a>, <a href="https://publications.waset.org/abstracts/search?q=doxorubicin" title=" doxorubicin"> doxorubicin</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatotoxicity" title=" hepatotoxicity"> hepatotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=purslane" title=" purslane"> purslane</a> </p> <a href="https://publications.waset.org/abstracts/30941/protective-effects-of-ethanolic-purslane-extracts-on-doxorubicin-induced-hepatotoxicity-in-albino-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30941.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">418</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> DNA Intercalating Alkaloids Isolated from Chelidonium majus (Papaveraceae)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Tamer">Mohamed Tamer</a>, <a href="https://publications.waset.org/abstracts/search?q=Wink%20Michael"> Wink Michael</a> </p> <p class="card-text"><strong>Abstract:</strong></p> DNA intercalating agents increase the stability of DNA which can be demonstrated by measuring the melting temperature Tm. Tm can be determined in a spectrophotometer in which the cell temperature is increased gradually. The resulting absorption data comes as a sigmoidal curve from which melting temperature can be determined when half of the DNA has denatured. The current study aims to assess DNA intercalating activities of four pure bioactive isoquinoline alkaloids: sanguinarine, berberine, allocryptopine, and chelerythrine which were isolated from Chelidonium majus (Papaveraceae) by repeated silica gel column chromatography, recrystallization and preparative TLC. The isolated compounds were identified by comparing their physical properties and mass spectra with those of the published data. The results showed that sanguiarine is the most active intercalating agent with Tm value of 83.55 ± 0.49 followed by berberine, chelerythrine, and allocryptopine with Tm values 62.58 ± 0.47, 51.38 ± 0.37 and 50.94 ± 0.65, respectively, relative to 49.78 ± 1.05 of bacteriophage DNA alone and 86.09 ± 0.5 for ethidium bromide as a positive control. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alkaloids" title="alkaloids">alkaloids</a>, <a href="https://publications.waset.org/abstracts/search?q=Chelidonium%20majus" title=" Chelidonium majus"> Chelidonium majus</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20intercalation" title=" DNA intercalation"> DNA intercalation</a>, <a href="https://publications.waset.org/abstracts/search?q=Tm" title=" Tm"> Tm</a> </p> <a href="https://publications.waset.org/abstracts/32200/dna-intercalating-alkaloids-isolated-from-chelidonium-majus-papaveraceae" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32200.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">501</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">100</span> Mechanical and Long Term Ageing Properties of PMMA Silica Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Khlifa">M. Khlifa</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Youssef.%20M.%20Almakki"> A. Youssef. M. Almakki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The addition of silica nanoparticles to poly(methyl methacrylate) (PMMA) can influence its mechanical and aging properties. Dispersed PMMA in colloidal and aggregated silica revealed considerable increase in modulus above the glass transition temperature when aggregated silica nanoparticles were used, whereas colloidally dispersed silica nanoparticles showed only a marginal improvement. In addition, Dispersed PMMA in both aggregated and colloidally silica nanoparticles accelerated physical ageing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title="nanoparticles">nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20aging" title=" physical aging"> physical aging</a>, <a href="https://publications.waset.org/abstracts/search?q=PMMA" title=" PMMA"> PMMA</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20and%20molecular%20engineering" title=" chemical and molecular engineering "> chemical and molecular engineering </a> </p> <a href="https://publications.waset.org/abstracts/24139/mechanical-and-long-term-ageing-properties-of-pmma-silica-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24139.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">521</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">99</span> The Implications of Person-Organisation Spirituality Fit on Employees’ Ethical and Spiritual Leadership Behaviours: Insights from Jordan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Koburtay">Tamer Koburtay</a>, <a href="https://publications.waset.org/abstracts/search?q=Radi%20Haloub"> Radi Haloub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Person-Organization fit theory concerns how people flourish in a workplace that is congruence with their values and other traits. This paper seeks to highlight the theoretical relevance that workplace spirituality may add to the existing theory development of the P-O fit. In specific, it aims to empirically test the emerged framework that encompasses how workplace and self-spirituality match may enhance the perceived P-O fit, and how such a fit can enhance both employees’ ethical behaviors (i.e., humanism and honesty) and spiritual leadership behaviors. Drawing on a survey of the private and public sectors in Jordan, the results reveal that increasing the match in workplace and employees’ spirituality positively enhances the perceived P-O fit. Further, ethical and spiritual behaviors were found to be positively linked with a higher P-O fit. The importance of this paper is by generating a concept (i.e., P-O spirituality fit) beyond the already vast literature on P-O fit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethical%20behavior" title="ethical behavior">ethical behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=leadership" title=" leadership"> leadership</a>, <a href="https://publications.waset.org/abstracts/search?q=P-O%20fit" title=" P-O fit"> P-O fit</a>, <a href="https://publications.waset.org/abstracts/search?q=spirituality" title=" spirituality"> spirituality</a>, <a href="https://publications.waset.org/abstracts/search?q=leadership" title=" leadership"> leadership</a> </p> <a href="https://publications.waset.org/abstracts/92844/the-implications-of-person-organisation-spirituality-fit-on-employees-ethical-and-spiritual-leadership-behaviours-insights-from-jordan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92844.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">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">98</span> Physiochemical and Histological Study on the Effect of the Hibernation on the Liver of Uromastyx acanthinura (Bell, 1825)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Youssef.%20K.%20A.%20Abdalhafid">Youssef. K. A. Abdalhafid</a>, <a href="https://publications.waset.org/abstracts/search?q=Ezaldin%20A.%20M.%20Mohammed"> Ezaldin A. M. Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoud%20M.%20M.%20Zatout"> Masoud M. M. Zatout </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study described the changes in the liver of Uromastyx acanthinura (Bell, 1825) males and females during hibernation and activity seasons. The results revealed that, hibernation causes increase fatty liver and pigment cells with abundant damage, comparing with nearly normal structure and less fatty liver after the hibernation with almost normal pattern. Genomic DNA showed apparent separation during hibernation. Also, caspase 3 and caspase 7 activity reached a high level in the liver tissue during hibernation comparing with activity season. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=histological%20liver" title="histological liver">histological liver</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20fragmentation" title=" DNA fragmentation"> DNA fragmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=hibernation" title=" hibernation"> hibernation</a>, <a href="https://publications.waset.org/abstracts/search?q=caspase%203%20and%20caspase%207" title=" caspase 3 and caspase 7 "> caspase 3 and caspase 7 </a> </p> <a href="https://publications.waset.org/abstracts/14146/physiochemical-and-histological-study-on-the-effect-of-the-hibernation-on-the-liver-of-uromastyx-acanthinura-bell-1825" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14146.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">317</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Bacteria Immobilized Electrospun Fibrous Biocomposites for Cr (VI) Remediation in Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Omer%20Faruk%20Sarioglu">Omer Faruk Sarioglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Asli%20Celebioglu"> Asli Celebioglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Turgay%20Tekinay"> Turgay Tekinay</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Uyar"> Tamer Uyar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fibrous biocomposites were developed by immobilization of a Cr(VI) reducing bacterial strain, morganella morganii STB5, on electrospun polystyrene (PS) and polysulfone (PSU) webs. Cr(VI) removal characteristics of STB5/PS and STB5/PSU fibrous biocomposites were determined at 25 mg L-1 of initial Cr(VI) and 70.41% and 68.27% of removal were observed within 72 h, respectively. Reusability test results indicate that both biocomposites are potentially reusable and can be used for at least 5 cycles. After storage test results suggest that the biocomposites can be stored awhile without losing their Cr(VI) bioremoval capabilities. SEM images of STB5 immobilized PS and PSU webs after the reusability test exhibit strong attachment of bacterial biofilms onto fibrous surfaces. Our results are quite promising and suggesting that reusable bacteria immobilized electrospun fibrous biocomposites might be applicable for Cr(VI) remediation in water systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=polystyrene" title=" polystyrene"> polystyrene</a>, <a href="https://publications.waset.org/abstracts/search?q=polysulfone" title=" polysulfone"> polysulfone</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr%28VI%29%20bioremoval" title=" Cr(VI) bioremoval"> Cr(VI) bioremoval</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sustainability" title=" environmental sustainability"> environmental sustainability</a> </p> <a href="https://publications.waset.org/abstracts/25210/bacteria-immobilized-electrospun-fibrous-biocomposites-for-cr-vi-remediation-in-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25210.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">561</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> Lyapunov-Based Tracking Control for Nonholonomic Wheeled Mobile Robot</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raouf%20Fareh">Raouf Fareh</a>, <a href="https://publications.waset.org/abstracts/search?q=Maarouf%20Saad"> Maarouf Saad</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofiane%20Khadraoui"> Sofiane Khadraoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Rabie"> Tamer Rabie </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a tracking control strategy based on Lyapunov approach for nonholonomic wheeled mobile robot. This control strategy consists of two levels. First, a kinematic controller is developed to adjust the right and left wheel velocities. Using this velocity control law, the stability of the tracking error is guaranteed using Lyapunov approach. This kinematic controller cannot be generated directly by the motors. To overcome this problem, the second level of the controllers, dynamic control, is designed. This dynamic control law is developed based on Lyapunov theory in order to track the desired trajectories of the mobile robot. The stability of the tracking error is proved using Lupunov and Barbalat approaches. Simulation results on a nonholonomic wheeled mobile robot are given to demonstrate the feasibility and effectiveness of the presented approach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20robot" title="mobile robot">mobile robot</a>, <a href="https://publications.waset.org/abstracts/search?q=trajectory%20tracking" title=" trajectory tracking"> trajectory tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyapunov" title=" Lyapunov"> Lyapunov</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a> </p> <a href="https://publications.waset.org/abstracts/50751/lyapunov-based-tracking-control-for-nonholonomic-wheeled-mobile-robot" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50751.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">373</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">95</span> Does sustainability disclosure improve analysts’ forecast accuracy Evidence from European banks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Albert%20Acheampong">Albert Acheampong</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Elshandidy"> Tamer Elshandidy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We investigate the extent to which sustainability disclosure from the narrative section of European banks’ annual reports improves analyst forecast accuracy. We capture sustainability disclosure using a machine learning approach and use forecast error to proxy analyst forecast accuracy. Our results suggest that sustainability disclosure significantly improves analyst forecast accuracy by reducing the forecast error. In a further analysis, we also find that the induction of Directive 2014/95/European Union (EU) is associated with increased disclosure content, which then reduces forecast error. Collectively, our results suggest that sustainability disclosure improves forecast accuracy, and the induction of the new EU directive strengthens this improvement. These results hold after several further and robustness analyses. Our findings have implications for market participants and policymakers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainability%20disclosure" title="sustainability disclosure">sustainability disclosure</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=analyst%20forecast%20accuracy" title=" analyst forecast accuracy"> analyst forecast accuracy</a>, <a href="https://publications.waset.org/abstracts/search?q=forecast%20error" title=" forecast error"> forecast error</a>, <a href="https://publications.waset.org/abstracts/search?q=European%20banks" title=" European banks"> European banks</a>, <a href="https://publications.waset.org/abstracts/search?q=EU%20directive" title=" EU directive"> EU directive</a> </p> <a href="https://publications.waset.org/abstracts/180367/does-sustainability-disclosure-improve-analysts-forecast-accuracy-evidence-from-european-banks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/180367.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">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">94</span> Three-Dimensional Generalized Thermoelasticity with Variable Thermal Conductivity </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamdy%20M.%20Youssef">Hamdy M. Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Mowffaq%20Oreijah"> Mowffaq Oreijah</a>, <a href="https://publications.waset.org/abstracts/search?q=Hunaydi%20S.%20Alsharif"> Hunaydi S. Alsharif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a three-dimensional model of the generalized thermoelasticity with one relaxation time and variable thermal conductivity has been constructed. The resulting non-dimensional governing equations together with the Laplace and double Fourier transforms techniques have been applied to a three-dimensional half-space subjected to thermal loading with rectangular pulse and traction free in the directions of the principle co-ordinates. The inverses of double Fourier transforms, and Laplace transforms have been obtained numerically. Numerical results for the temperature increment, the invariant stress, the invariant strain, and the displacement are represented graphically. The variability of the thermal conductivity has significant effects on the thermal and the mechanical waves. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thermoelasticity" title="thermoelasticity">thermoelasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity" title=" thermal conductivity"> thermal conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=Laplace%20transforms" title=" Laplace transforms"> Laplace transforms</a>, <a href="https://publications.waset.org/abstracts/search?q=Fourier%20transforms" title=" Fourier transforms"> Fourier transforms</a> </p> <a href="https://publications.waset.org/abstracts/103359/three-dimensional-generalized-thermoelasticity-with-variable-thermal-conductivity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103359.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">228</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">93</span> An Artistic Study of Three Rare Tennded Copper Dishes from the Mamluk Circassian Period (784- 923 AH/ 1382- 1517 CE)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Mokhtar%20Mohamed%20Ahmed">Tamer Mokhtar Mohamed Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The metalwork industry during the Mamluk period received the attention and care of the sultans and princes, thus helping in the prosperity of this industry during this period. We are fortunate that a huge number of metal artifacts from the industry of Egypt and Syria of this period have come down to us, many of which are preserved in Egyptian and international museums as well as private collections. Characterized by great diversity in its forms, sizes and functions, including the decorative designs executed on them, the artifacts reflected the extent of artistic creativity that characterized the arts in the two Mamluk period. This research paper aims to study three copper dishes from the Mamluk Circassian period and the rare documentary texts on them that have not been previously studied. These dishes date back to different decades from the 9th AH/15 AD century. One of them bears the name of Sultan Al-Muayyad Shaikh, and the second is the name of one of the great Mamluk princes in the Mamluk Circassian period, Prince Yashbak min Mahdi. The third dish is attributed to Prince Jan Balat Al-Ashrafie. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metalwork" title="metalwork">metalwork</a>, <a href="https://publications.waset.org/abstracts/search?q=dishes" title=" dishes"> dishes</a>, <a href="https://publications.waset.org/abstracts/search?q=decorative" title=" decorative"> decorative</a>, <a href="https://publications.waset.org/abstracts/search?q=calligraphy" title=" calligraphy"> calligraphy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mamluk%20Arts" title=" Mamluk Arts"> Mamluk Arts</a> </p> <a href="https://publications.waset.org/abstracts/167273/an-artistic-study-of-three-rare-tennded-copper-dishes-from-the-mamluk-circassian-period-784-923-ah-1382-1517-ce" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167273.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">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">92</span> The Role of Neuroserpin in Rheumatoid Arthritis Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sevil%20Arabaci%20Tamer">Sevil Arabaci Tamer</a>, <a href="https://publications.waset.org/abstracts/search?q=Gonul%20Gurol"> Gonul Gurol</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Tekeoglu"> Ibrahim Tekeoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Halil%20Harman"> Halil Harman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ihsan%20Hakki%20Ciftci"> Ihsan Hakki Ciftci</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Neuroserpin (NSP) is a serine protease inhibitor and member of the serpin family. It is expressed in developing and adult nervous systems, and acts as an inhibitor of protease tissue plasminogen activator (tPA) and a regulator of neuronal growth and plasticity. Also NSP displays anti-inflammatory activity. But, its role in rheumatoid arthritis had never been studied before. So, the aim of the present study was to investigate the effect of neuroserpin in patients with RA. A total of 50 frozen (-20 ºC) serum samples 40 of them belonged to patients with RA, and 10 sample belonged to healthy subjects, were enrolled prospectively. We used DAS-28 to evaluate disease activity. The following clinical data gathered from the original patients' charts. Serum neuroserpin levels were measured by enzyme-linked immunosorbent assay. Our preliminary study results demonstrate, for the first time, that NSP levels are significantly different in RA patients relative to healthy subjects (P = 0.014). So, NSP contribute to pathological condition of RA. Thus, we believe that serum NSP levels can be as a marker in patients with RA. However other inflammatory diseases should be further investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=neuroserpin" title="neuroserpin">neuroserpin</a>, <a href="https://publications.waset.org/abstracts/search?q=rheumatoid%20arthritis" title=" rheumatoid arthritis"> rheumatoid arthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=tPA" title=" tPA"> tPA</a>, <a href="https://publications.waset.org/abstracts/search?q=tPA%20inhibitor" title=" tPA inhibitor "> tPA inhibitor </a> </p> <a href="https://publications.waset.org/abstracts/25059/the-role-of-neuroserpin-in-rheumatoid-arthritis-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25059.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">471</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">91</span> Adomian’s Decomposition Method to Functionally Graded Thermoelastic Materials with Power Law</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamdy%20M.%20Youssef">Hamdy M. Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20A.%20Al-Lehaibi"> Eman A. Al-Lehaibi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an iteration method for the numerical solutions of a one-dimensional problem of generalized thermoelasticity with one relaxation time under given initial and boundary conditions. The thermoelastic material with variable properties as a power functional graded has been considered. Adomian’s decomposition techniques have been applied to the governing equations. The numerical results have been calculated by using the iterations method with a certain algorithm. The numerical results have been represented in figures, and the figures affirm that Adomian’s decomposition method is a successful method for modeling thermoelastic problems. Moreover, the empirical parameter of the functional graded, and the lattice design parameter have significant effects on the temperature increment, the strain, the stress, the displacement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adomian" title="Adomian">Adomian</a>, <a href="https://publications.waset.org/abstracts/search?q=decomposition%20method" title=" decomposition method"> decomposition method</a>, <a href="https://publications.waset.org/abstracts/search?q=generalized%20thermoelasticity" title=" generalized thermoelasticity"> generalized thermoelasticity</a>, <a href="https://publications.waset.org/abstracts/search?q=algorithm" title=" algorithm"> algorithm</a> </p> <a href="https://publications.waset.org/abstracts/112183/adomians-decomposition-method-to-functionally-graded-thermoelastic-materials-with-power-law" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112183.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">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">90</span> Optimization of Cutting Forces in Drilling of Polimer Composites via Taguchi Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eser%20Yarar">Eser Yarar</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahri%20Vatansever"> Fahri Vatansever</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Tamer%20Erturk"> A. Tamer Erturk</a>, <a href="https://publications.waset.org/abstracts/search?q=Sedat%20Karabay"> Sedat Karabay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, drilling behavior of multi-layer orthotropic polyester composites reinforced with woven polyester fiber and PTFE particle was investigated. Conventional drilling methods have low cost and ease of use. Therefore, it is one of the most preferred machining methods. The increasing range of use of composite materials in many areas has led to the investigation of the machinability performance of these materials. The drilling capability of the synthetic polymer composite material was investigated by measuring the cutting forces using different tool diameters, feed rate and high cutting speed parameters. Cutting forces were measured using a dynamometer in the experiments. In order to evaluate the results of the experiment, the Taguchi experimental design method was used. According to the results, the optimum cutting parameters were obtained for 0.1 mm/rev, 1070 rpm and 2 mm diameter drill bit. Verification tests were performed for the optimum cutting parameters obtained according to the model. Verification experiments showed the success of the established model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cutting%20force" title="cutting force">cutting force</a>, <a href="https://publications.waset.org/abstracts/search?q=drilling" title=" drilling"> drilling</a>, <a href="https://publications.waset.org/abstracts/search?q=polimer%20composite" title=" polimer composite"> polimer composite</a>, <a href="https://publications.waset.org/abstracts/search?q=Taguchi" title=" Taguchi"> Taguchi</a> </p> <a href="https://publications.waset.org/abstracts/102883/optimization-of-cutting-forces-in-drilling-of-polimer-composites-via-taguchi-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102883.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">162</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">89</span> On the Impact of Oil Price Fluctuations on Stock Markets: A Multivariate Long-Memory GARCH Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manel%20Youssef">Manel Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Lotfi%20Belkacem"> Lotfi Belkacem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper employs multivariate long memory GARCH models to simultaneously estimate mean and conditional variance spillover effects between oil prices and different financial markets. Since different financial assets are traded based on these market sector returns, it’s important for financial market participants to understand the volatility transmission mechanism over time and across these series in order to make optimal portfolio allocation decisions. We examine weekly returns from January 1, 2003 to November 30, 2012 and find evidence of significant transmission of shocks and volatilities between oil prices and some of the examined financial markets. The findings support the idea of cross-market hedging and sharing of common information by investors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20prices" title="oil prices">oil prices</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20indices%20returns" title=" stock indices returns"> stock indices returns</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20volatility" title=" oil volatility"> oil volatility</a>, <a href="https://publications.waset.org/abstracts/search?q=contagion" title=" contagion"> contagion</a>, <a href="https://publications.waset.org/abstracts/search?q=DCC-multivariate%20%28FI%29%20GARCH" title=" DCC-multivariate (FI) GARCH"> DCC-multivariate (FI) GARCH</a> </p> <a href="https://publications.waset.org/abstracts/20756/on-the-impact-of-oil-price-fluctuations-on-stock-markets-a-multivariate-long-memory-garch-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20756.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">533</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">88</span> Modeling of Oligomerization of Ethylene in a Falling film Reactor for the Production of Linear Alpha Olefins</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adil%20A.%20Mohammed">Adil A. Mohammed</a>, <a href="https://publications.waset.org/abstracts/search?q=Seif-Eddeen%20K.%20Fateen"> Seif-Eddeen K. Fateen</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20S.%20Ahmed"> Tamer S. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Moustafa"> Tarek M. Moustafa </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Falling film were widely used for gas-liquid absorption and reaction process. Modeling of falling film for oligomerization of ethylene reaction to linear alpha olefins is developed. Although there are many researchers discuss modeling of falling film in many processes, there has been no publish study the simulation of falling film for the oligomerization of ethylene reaction to produce linear alpha olefins. The Comsol multiphysics software was used to simulate the mass transfer with chemical reaction in falling film absorption process. The effect of concentration profile absorption of the products through falling thickness is discussed. The effect of catalyst concentration, catalyst/co-catalyst ratio, and temperature is also studied. For the effect of the temperature, as it increase the concentration of C4 increase. For catalyst concentration and catalyst/co-catalyst ratio as they increases the concentration of C4 increases, till it reached almost constant value. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=falling%20film" title="falling film">falling film</a>, <a href="https://publications.waset.org/abstracts/search?q=oligomerization" title=" oligomerization"> oligomerization</a>, <a href="https://publications.waset.org/abstracts/search?q=comsol%20mutiphysics" title=" comsol mutiphysics"> comsol mutiphysics</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20alpha%20olefins" title=" linear alpha olefins"> linear alpha olefins</a> </p> <a href="https://publications.waset.org/abstracts/23890/modeling-of-oligomerization-of-ethylene-in-a-falling-film-reactor-for-the-production-of-linear-alpha-olefins" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23890.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">469</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">87</span> OILU Tag: A Projective Invariant Fiducial System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Youssef%20Chahir">Youssef Chahir</a>, <a href="https://publications.waset.org/abstracts/search?q=Messaoud%20Mostefai"> Messaoud Mostefai</a>, <a href="https://publications.waset.org/abstracts/search?q=Salah%20Khodja"> Salah Khodja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the development of a 2D visual marker, derived from a recent patented work in the field of numbering systems. The proposed fiducial uses a group of projective invariant straight-line patterns, easily detectable and remotely recognizable. Based on an efficient data coding scheme, the developed marker enables producing a large panel of unique real time identifiers with highly distinguishable patterns. The proposed marker Incorporates simultaneously decimal and binary information, making it readable by both humans and machines. This important feature opens up new opportunities for the development of efficient visual human-machine communication and monitoring protocols. Extensive experiment tests validate the robustness of the marker against acquisition and geometric distortions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=visual%20markers" title="visual markers">visual markers</a>, <a href="https://publications.waset.org/abstracts/search?q=projective%20invariants" title=" projective invariants"> projective invariants</a>, <a href="https://publications.waset.org/abstracts/search?q=distance%20map" title=" distance map"> distance map</a>, <a href="https://publications.waset.org/abstracts/search?q=level%20sets" title=" level sets"> level sets</a> </p> <a href="https://publications.waset.org/abstracts/137830/oilu-tag-a-projective-invariant-fiducial-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137830.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">163</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">86</span> ANSYS Investigation on Stability and Performance of a Solar Driven Inline Alpha Stirling Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Soliman">Joseph Soliman</a>, <a href="https://publications.waset.org/abstracts/search?q=Youssef%20Attia"> Youssef Attia</a>, <a href="https://publications.waset.org/abstracts/search?q=Khairy%20Megalla"> Khairy Megalla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The stable operation of an inline Stirling engine will be achieved when both engine configurations and operating conditions are optimum. This paper presents stability and performance investigation of an inline Stirling engine using ANSYS. Dynamic motion of engine pistons such as the displacer and the power piston are both obtained. For engine design, the optimum parameters are given such as engine specifications, engine characteristics and working conditions to yield the maximum efficiency and reliability. The prototype was built and tested and it is used as a validation case. The comparison of both experimental and simulation results are provided and discussed. Results were found to be encouraging to initiate a Stirling engine project for 3 kW power output. The working fluids are air, hydrogen, nitrogen and helum. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stirling%20engine" title="stirling engine">stirling engine</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20energy" title=" solar energy"> solar energy</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20energy" title=" new energy"> new energy</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20motion" title=" dynamic motion"> dynamic motion</a> </p> <a href="https://publications.waset.org/abstracts/27285/ansys-investigation-on-stability-and-performance-of-a-solar-driven-inline-alpha-stirling-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27285.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">422</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">85</span> Cyber Attacks Management in IoT Networks Using Deep Learning and Edge Computing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asmaa%20El%20Harat">Asmaa El Harat</a>, <a href="https://publications.waset.org/abstracts/search?q=Toumi%20Hicham"> Toumi Hicham</a>, <a href="https://publications.waset.org/abstracts/search?q=Youssef%20Baddi"> Youssef Baddi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This survey delves into the complex realm of Internet of Things (IoT) security, highlighting the urgent need for effective cybersecurity measures as IoT devices become increasingly common. It explores a wide array of cyber threats targeting IoT devices and focuses on mitigating these attacks through the combined use of deep learning and machine learning algorithms, as well as edge and cloud computing paradigms. The survey starts with an overview of the IoT landscape and the various types of attacks that IoT devices face. It then reviews key machine learning and deep learning algorithms employed in IoT cybersecurity, providing a detailed comparison to assist in selecting the most suitable algorithms. Finally, the survey provides valuable insights for cybersecurity professionals and researchers aiming to enhance security in the intricate world of IoT. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=internet%20of%20things%20%28IoT%29" title="internet of things (IoT)">internet of things (IoT)</a>, <a href="https://publications.waset.org/abstracts/search?q=cybersecurity" title=" cybersecurity"> cybersecurity</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a> </p> <a href="https://publications.waset.org/abstracts/188872/cyber-attacks-management-in-iot-networks-using-deep-learning-and-edge-computing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188872.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">31</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">84</span> CFD Study on the Effect of Primary Air on Combustion of Simulated MSW Process in the Fixed Bed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rui%20Sun">Rui Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20M.%20Ismail"> Tamer M. Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaohan%20Ren"> Xiaohan Ren</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Abd%20El-Salam"> M. Abd El-Salam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Incineration of municipal solid waste (MSW) is one of the key scopes in the global clean energy strategy. A computational fluid dynamics (CFD) model was established. In order to reveal these features of the combustion process in a fixed porous bed of MSW. Transporting equations and process rate equations of the waste bed were modeled and set up to describe the incineration process, according to the local thermal conditions and waste property characters. Gas phase turbulence was modeled using k-ε turbulent model and the particle phase was modeled using the kinetic theory of granular flow. The heterogeneous reaction rates were determined using Arrhenius eddy dissipation and the Arrhenius-diffusion reaction rates. The effects of primary air flow rate and temperature in the burning process of simulated MSW are investigated experimentally and numerically. The simulation results in bed are accordant with experimental data well. The model provides detailed information on burning processes in the fixed bed, which is otherwise very difficult to obtain by conventional experimental techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics%20%28CFD%29%20model" title="computational fluid dynamics (CFD) model">computational fluid dynamics (CFD) model</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20incineration" title=" waste incineration"> waste incineration</a>, <a href="https://publications.waset.org/abstracts/search?q=municipal%20solid%20waste%20%28MSW%29" title=" municipal solid waste (MSW)"> municipal solid waste (MSW)</a>, <a href="https://publications.waset.org/abstracts/search?q=fixed%20bed" title=" fixed bed"> fixed bed</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20air" title=" primary air "> primary air </a> </p> <a href="https://publications.waset.org/abstracts/18091/cfd-study-on-the-effect-of-primary-air-on-combustion-of-simulated-msw-process-in-the-fixed-bed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18091.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">402</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">83</span> Automatic Seizure Detection Using Weighted Permutation Entropy and Support Vector Machine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noha%20Seddik">Noha Seddik</a>, <a href="https://publications.waset.org/abstracts/search?q=Sherine%20Youssef"> Sherine Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Kholeif"> Mohamed Kholeif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The automated epileptic seizure detection research field has emerged in the recent years; this involves analyzing the Electroencephalogram (EEG) signals instead of the traditional visual inspection performed by expert neurologists. In this study, a Support Vector Machine (SVM) that uses Weighted Permutation Entropy (WPE) as the input feature is proposed for classifying normal and seizure EEG records. WPE is a modified statistical parameter of the permutation entropy (PE) that measures the complexity and irregularity of a time series. It incorporates both the mapped ordinal pattern of the time series and the information contained in the amplitude of its sample points. The proposed system utilizes the fact that entropy based measures for the EEG segments during epileptic seizure are lower than in normal EEG. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electroencephalogram%20%28EEG%29" title="electroencephalogram (EEG)">electroencephalogram (EEG)</a>, <a href="https://publications.waset.org/abstracts/search?q=epileptic%20seizure%20detection" title=" epileptic seizure detection"> epileptic seizure detection</a>, <a href="https://publications.waset.org/abstracts/search?q=weighted%20permutation%20entropy%20%28WPE%29" title=" weighted permutation entropy (WPE)"> weighted permutation entropy (WPE)</a>, <a href="https://publications.waset.org/abstracts/search?q=support%20vector%20machine%20%28SVM%29" title=" support vector machine (SVM)"> support vector machine (SVM)</a> </p> <a href="https://publications.waset.org/abstracts/12444/automatic-seizure-detection-using-weighted-permutation-entropy-and-support-vector-machine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12444.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">371</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">82</span> Load Bearing Capacity and Operational Effectiveness of Single Shear Joints of CFRP Composite Laminate with Spread Tow Thin Plies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tabrej%20Khan">Tabrej Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20A.%20Sebaey"> Tamer A. Sebaey</a>, <a href="https://publications.waset.org/abstracts/search?q=Balbir%20Singh"> Balbir Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Umarfarooq"> M. A. Umarfarooq</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spread-tow thin-ply-based technology has resulted in the progress of optimized reinforced composite plies with ultra-low thicknesses. There is wide use of composite bolted joints in the aircraft industry for load-bearing structures, and they are regarded as the primary source of stress concentration. The purpose of this study is to look into the bearing strength and structural performance of single shear bolt joint configurations in composite laminates, which are basically a combination of conventional thin-plies and thick-plies in some specific stacking sequence. The placement effect of thin-ply within the configured stack on bearing strength, as well as the potential damages, were investigated. Mechanical tests were used to understand the disfigurement mechanisms of the plies and their reciprocity, as well as to reflect on the single shear bolt joint properties and its load-bearing capacity. The results showed that changing the configuration of laminates by inserting the thin plies inside improved the bearing strength by up to 19%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybrid%20composites" title="hybrid composites">hybrid composites</a>, <a href="https://publications.waset.org/abstracts/search?q=delamination" title=" delamination"> delamination</a>, <a href="https://publications.waset.org/abstracts/search?q=stress%20concentrations" title=" stress concentrations"> stress concentrations</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20testing" title=" mechanical testing"> mechanical testing</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20bolt%20joint" title=" single bolt joint"> single bolt joint</a>, <a href="https://publications.waset.org/abstracts/search?q=thin-plies" title=" thin-plies"> thin-plies</a> </p> <a href="https://publications.waset.org/abstracts/183273/load-bearing-capacity-and-operational-effectiveness-of-single-shear-joints-of-cfrp-composite-laminate-with-spread-tow-thin-plies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183273.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">64</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">81</span> Tombs Covers "Kiswa" in Ottoman Period</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Mokhtar%20Mohamed%20Ahmed">Tamer Mokhtar Mohamed Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Throughout the ages the Caliphs, Sultans and rulers have paid great care to tomb covers and in particular to the cover of the tomb of the Prophet Muhammad as well as other prophets. For that purpose they established waqfs and ensured that the covers appeared in the most magnificent manner to befit their purpose, as we can see in the beautiful examples in museums across the world. In fact tomb covers are some of the most beautiful examples of Islamic art in their detail of craftsmanship which have made them great works of art. It became the custom that the Kiswa or the tomb covers were made of silk or satin with gold and silver threads. Museums across the word preserve examples of the highest craftsmanship of tomb covers produced in the capital of the Ottomans and other capital cities, all differing in their designs or colors reflecting the work of the individual cities like Cairo, Istanbul or Bursa. Other than the cover for the tomb of the Prophet, many other tomb covers were produced for the tombs of other prophets and their wives in Hebron. In addition tomb covers were made for the sufi saints as well as for the Ottoman sultans and for their wives and children. In this paper I will Study the Kiswa or the tomb covers in Ottoman period. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=kiswa" title="kiswa">kiswa</a>, <a href="https://publications.waset.org/abstracts/search?q=ottoman%20period" title=" ottoman period"> ottoman period</a>, <a href="https://publications.waset.org/abstracts/search?q=textiles" title=" textiles"> textiles</a>, <a href="https://publications.waset.org/abstracts/search?q=silk" title=" silk"> silk</a>, <a href="https://publications.waset.org/abstracts/search?q=tomb%20of%20the%20Prophet%20Muhammad" title=" tomb of the Prophet Muhammad"> tomb of the Prophet Muhammad</a> </p> <a href="https://publications.waset.org/abstracts/167245/tombs-covers-kiswa-in-ottoman-period" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167245.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">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">80</span> Effect of Radiotherapy/Chemotherapy Protocol on the Gut Microbiome in Pediatric Cancer Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nourhan%20G.%20Sahly">Nourhan G. Sahly</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Moustafa"> Ahmed Moustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20S.%20Zaghloul"> Mohamed S. Zaghloul</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamer%20Z.%20Salem"> Tamer Z. Salem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The gut microbiome plays important roles in the human body that includes but not limited to digestion, immunity, homeostasis and response to some drugs such as chemotherapy and immunotherapy. Its role has also been linked to radiotherapy and associated gastrointestinal injuries, where the microbial dysbiosis could be the driving force for dose determination or the complete suspension of the treatment protocol. Linking the gut microbiota alterations to different cancer treatment protocols is not easy especially in humans. However, enormous effort was exerted to understand this complex relationship. In the current study, we described the gut microbiota dysbiosis in pediatric sarcoma patients, in the pelvic region, with regards to radiotherapy and antibiotics. Fecal samples were collected as a source of microbial DNA for which the gene encoding for V3-V5 regions of 16S rRNA was sequenced. Two of the three patients understudy had experienced an increase in alpha diversity post exposure to 50.4 Gy. Although phylum Firmicutes overall relative abundance has generally decreased, six of its taxa increased in all patients. Our results may indicate the possibility of radiosensitivity or enrichment of the antibiotic resistance of the elevated taxa. Further studies are needed to describe the extent of radiosensitivity with regards to antibiotic resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=combined%20radiotherapy%20and%20chemotherapy" title="combined radiotherapy and chemotherapy">combined radiotherapy and chemotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=gut%20microbiome" title=" gut microbiome"> gut microbiome</a>, <a href="https://publications.waset.org/abstracts/search?q=pediatric%20cancer" title=" pediatric cancer"> pediatric cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=radiosensitivity" title=" radiosensitivity"> radiosensitivity</a> </p> <a href="https://publications.waset.org/abstracts/99183/effect-of-radiotherapychemotherapy-protocol-on-the-gut-microbiome-in-pediatric-cancer-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99183.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">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">79</span> Identification of Force Vector on an Elastic Solid Using an Embeded PVDF Senor Array</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Youssef">Andrew Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20%20Matthews"> David Matthews</a>, <a href="https://publications.waset.org/abstracts/search?q=Jie%20Pan"> Jie Pan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Identifying the magnitude and direction of a force on an elastic solid is highly desirable, as this allows for investigation and continual monitoring of the dynamic loading. This was traditionally conducted by connecting the solid to the supporting structure by multi-axial force transducer, providing that the transducer will not change the mounting conditions. Polyvinylidene fluoride (PVDF) film is a versatile force transducer that can be easily embedded in structures. Here a PVDF sensor array is embedded inside a simple structure in an effort to determine the force vector applied to the structure is an inverse problem. In this paper, forces of different magnitudes and directions where applied to the structure with an impact hammer, and the output of the PVDF was captured and processed to gain an estimate of the forces applied by the hammer. The outcome extends the scope of application of PVDF sensors for measuring the external or contact force vectors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=embedded%20sensor" title="embedded sensor">embedded sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=PVDF" title=" PVDF"> PVDF</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration" title=" vibration"> vibration</a> </p> <a href="https://publications.waset.org/abstracts/77890/identification-of-force-vector-on-an-elastic-solid-using-an-embeded-pvdf-senor-array" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77890.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">338</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">78</span> Functional Properties of Sunflower Protein Concentrates Extracted Using Different Anti-greening Agents - Low-Fat Whipping Cream Preparation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tamer%20M.%20El-Messery">Tamer M. El-Messery</a> </p> <p class="card-text"><strong>Abstract:</strong></p> By-products from sunflower oil extraction, such as sunflower cakes, are rich sources of proteins with desirable functional properties for the food industry. However, challenges such as sensory drawbacks and the presence of phenolic compounds have hindered their widespread use. In this study, sunflower protein concentrates were obtained from sunflower cakes using different ant-greening solvents (ascorbic acid (ASC) and N-acetylcysteine (NAC)), and their functional properties were evaluated. The color of extracted proteins ranged from dark green to yellow, where the using of ASC and NAC agents enhanced the color. The protein concentrates exhibited high solubility (>70%) and antioxidant activity, with hydrophobicity influencing emulsifying activity. Emulsions prepared with these proteins showed stability and microencapsulation efficiency. Incorporation of protein concentrates into low-fat whipping cream formulations increased overrun and affected color characteristics. Rheological studies demonstrated pseudoplastic behavior in whipped cream, influenced by shear rates and protein content. Overall, sunflower protein isolates showed promising functional properties, indicating their potential as valuable ingredients in food formulations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=functional%20properties" title="functional properties">functional properties</a>, <a href="https://publications.waset.org/abstracts/search?q=sunflower%20protein%20concentrates" title=" sunflower protein concentrates"> sunflower protein concentrates</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20capacity" title=" antioxidant capacity"> antioxidant capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=ant-greening%20agents" title=" ant-greening agents"> ant-greening agents</a>, <a href="https://publications.waset.org/abstracts/search?q=low-fat%20whipping%20cream" title=" low-fat whipping cream"> low-fat whipping cream</a> </p> <a href="https://publications.waset.org/abstracts/185953/functional-properties-of-sunflower-protein-concentrates-extracted-using-different-anti-greening-agents-low-fat-whipping-cream-preparation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185953.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">48</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tamer%20E.%20Youssef&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Tamer%20E.%20Youssef&page=3">3</a></li> <li class="page-item"><a class="page-link" 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