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Elsadek</title> <meta name="description" content="Search results for: Hala Elsadek"> <meta name="keywords" content="Hala Elsadek"> <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="Hala Elsadek" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Hala Elsadek"> <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> 57</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Hala Elsadek</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">57</span> Microwave Security System in Museums: Design and Implementation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dalia%20Elsheakh">Dalia Elsheakh</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Elsadek"> Hala Elsadek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this paper is to propose a competitive microwave security system that can be applied with reasonable price at museums in Egypt, considering the priceless elements in 23 Egyptian museums countrywide and the lack of good recent security systems even in big ones. The system main goal is to detect valuable targets to ensure their presence in the pre-defined positions in order to protect them from being stolen. The system is based on real time microwave scanning for the required space volume through transmitting RF waves at consecutive angles and detecting the back scattered waves from required objects to detect their existence at pre-specified locations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microwave%20security%20system" title="microwave security system">microwave security system</a>, <a href="https://publications.waset.org/abstracts/search?q=object%20locating%20system" title=" object locating system"> object locating system</a>, <a href="https://publications.waset.org/abstracts/search?q=real%20time%20locating%20system%20%28RTLS%29" title=" real time locating system (RTLS)"> real time locating system (RTLS)</a>, <a href="https://publications.waset.org/abstracts/search?q=antenna%20array" title=" antenna array"> antenna array</a>, <a href="https://publications.waset.org/abstracts/search?q=array%20electronic%20scanning" title=" array electronic scanning"> array electronic scanning</a> </p> <a href="https://publications.waset.org/abstracts/5673/microwave-security-system-in-museums-design-and-implementation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5673.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">349</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">56</span> A New Phenolic Compound Isolated from Laurus nobilis from Lebanon and Comparison of Antioxidant Activity of Different Parts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Turk%20Ayman">Turk Ayman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahn%20Jong%20Hoon"> Ahn Jong Hoon</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalife%20K.%20Hala"> Khalife K. Hala</a>, <a href="https://publications.waset.org/abstracts/search?q=Gali-Muhtasib%20Hala"> Gali-Muhtasib Hala</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Mi%20Kyeong"> Lee Mi Kyeong </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Laurus nobilis is an aromatic plant widely distributed in the Mediterranean region. The leaves of this plant are frequently used as a spice and as a traditional medicine for several diseases. In our present study, the methanolic extract of L. nobilis leaves showed antioxidant activity. Chromatographic separations of the EtOAc fraction which had the highest antioxidant activity led to the isolation of 12 compounds. Among them, there was a new phenylpropanoid derivative, which was identified by 1D and 2D NMR experiments, as well as high resolution mass spectrometry. In addition, two major compounds, catechin and epicatechin, which showed strong antioxidant activity may be responsible for the antioxidant activity of L. nobilis leaves. Since different plant parts may contain different types of constituents which contribute to the biological activities, we investigated the antioxidant activity of different parts of L. nobilis such as leaves, stems and fruits. Stems of L. nobilis showed the most potent antioxidant activity, followed by leaves. Further quantitation of total phenol and flavonoids contents revealed a positive correlation between the content of these compounds and antioxidant activity. Taken together, phenolic compounds including flavonoids are responsible for antioxidant activity of L. nobilis. In addition, stem parts of L. nobilis are suggested as good sources for antioxidant activity. Conclusively, L. nobilis might be effective in several free radical mediated diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title="antioxidant activity">antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=different%20parts" title=" different parts"> different parts</a>, <a href="https://publications.waset.org/abstracts/search?q=Laurus%20nobilis" title=" Laurus nobilis"> Laurus nobilis</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20compound" title=" phenolic compound "> phenolic compound </a> </p> <a href="https://publications.waset.org/abstracts/56185/a-new-phenolic-compound-isolated-from-laurus-nobilis-from-lebanon-and-comparison-of-antioxidant-activity-of-different-parts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56185.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">307</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">55</span> Dual Reconfigurable Antenna Using Capacitive Coupling Slot and Parasitic Square Ring</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Abou%20Al-alaa">M. Abou Al-alaa</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20A.%20Elsadek"> H. A. Elsadek</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20A.%20Abdallah"> E. A. Abdallah</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20A.%20Hashish"> E. A. Hashish</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A square patch antenna with both frequency and polarization reconfigurability is presented. The antenna consists of a square patch with coplanar feed on the ground plane. On the patch side, there is a parasitic square ring that is responsible for changing the antenna polarization. On the ground plane, there is a rectangular slot. By changing of length of this slot, the antenna resonance frequency can be changed. The antenna operates at 1.57 and 2.45 GHz that used in GPS and Bluetooth applications, respectively. The length of the slot in the proposed antenna is 40 mm, and the antenna operates at the lower frequency (1.57 GHz). By using switches in the ground plane the slot length can be adjust to 24 mm, so the antenna operates at upper frequency (2.45 GHz). Two switches are mounted on the parasitic ring at optimized positions. By switching between the different states of these two switches, the proposed antenna operates with linear polarization (LP) and circular polarization (CP) at each operating frequency. The antenna gain at 1.57 and 2.45 GHz are 5.9 and 7.64 dBi, respectively. The antenna is analyzed using the CST Microwave Studio. The proposed antenna was fabricated and measured. Results comparison shows good agreement. The antenna has applications in several wireless communication systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microstrip%20patch%20antenna" title="microstrip patch antenna">microstrip patch antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=reconfigurable%20antenna" title=" reconfigurable antenna"> reconfigurable antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20reconfigurability" title=" frequency reconfigurability"> frequency reconfigurability</a>, <a href="https://publications.waset.org/abstracts/search?q=polarization%20reconfigurability" title=" polarization reconfigurability"> polarization reconfigurability</a>, <a href="https://publications.waset.org/abstracts/search?q=parasitic%20square%20ring" title=" parasitic square ring"> parasitic square ring</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20polarization" title=" linear polarization"> linear polarization</a>, <a href="https://publications.waset.org/abstracts/search?q=circular%20polarization" title=" circular polarization "> circular polarization </a> </p> <a href="https://publications.waset.org/abstracts/5893/dual-reconfigurable-antenna-using-capacitive-coupling-slot-and-parasitic-square-ring" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5893.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">535</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">54</span> Development and Validation of a HPLC Method for Standardization of Methanolic Extract of Hypericum sinaicum Hochst</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Taghreed%20A.%20Ibrahim">Taghreed A. Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Atef%20A.%20El-Hela"> Atef A. El-Hela</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20M.%20El-Hefnawy"> Hala M. El-Hefnawy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The chromatographic profile of methanol extract of Hypericum sinaicum was determined using HPLC-DAD. Apigenin was used as an external standard in the development and validation of the HPLC method. The proposed method is simple, rapid and reliable and can be successfully applied for standardization of Hypericum sinaicum methanol extract. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quality%20control" title="quality control">quality control</a>, <a href="https://publications.waset.org/abstracts/search?q=standardization" title=" standardization"> standardization</a>, <a href="https://publications.waset.org/abstracts/search?q=falvonoids" title=" falvonoids"> falvonoids</a>, <a href="https://publications.waset.org/abstracts/search?q=methanol%20extract" title=" methanol extract"> methanol extract</a> </p> <a href="https://publications.waset.org/abstracts/15989/development-and-validation-of-a-hplc-method-for-standardization-of-methanolic-extract-of-hypericum-sinaicum-hochst" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15989.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">503</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">53</span> Exploring Chess Game AI Features Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bashayer%20Almalki">Bashayer Almalki</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayar%20Bajrai"> Mayar Bajrai</a>, <a href="https://publications.waset.org/abstracts/search?q=Dana%20Mirah"> Dana Mirah</a>, <a href="https://publications.waset.org/abstracts/search?q=Kholood%20Alghamdi"> Kholood Alghamdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Sanyour"> Hala Sanyour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to investigate the features of an AI chess app that are most preferred by users. A questionnaire was used as the methodology to gather responses from a varied group of participants. The questionnaire consisted of several questions related to the features of the AI chess app. The responses were analyzed using descriptive statistics and factor analysis. The findings indicate that the most preferred features of an AI chess app are the ability to play against the computer, the option to adjust the difficulty level, and the availability of tutorials and puzzles. The results of this research could be useful for developers of AI chess apps to enhance the user experience and satisfaction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chess" title="chess">chess</a>, <a href="https://publications.waset.org/abstracts/search?q=game" title=" game"> game</a>, <a href="https://publications.waset.org/abstracts/search?q=application" title=" application"> application</a>, <a href="https://publications.waset.org/abstracts/search?q=computics" title=" computics"> computics</a> </p> <a href="https://publications.waset.org/abstracts/167493/exploring-chess-game-ai-features-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167493.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">69</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">52</span> Photobleaching Kinetics and Epithelial Distribution of Hexylaminoleuilinate Induced PpIX in Rat Bladder Cancer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sami%20El%20Khatib">Sami El Khatib</a>, <a href="https://publications.waset.org/abstracts/search?q=Agn%C3%A8s%20Leroux"> Agnès Leroux</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Louis%20Merlin"> Jean-Louis Merlin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fran%C3%A7ois%20Guillemin"> François Guillemin</a>, <a href="https://publications.waset.org/abstracts/search?q=Marie-Ange%20D%E2%80%99Hallewin"> Marie-Ange D’Hallewin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Photodynamic therapy (PDT) is a treatment modality based on the cytotoxic effect occurring on the target tissues by interaction of a photosensitizer with light in the presence of oxygen. One of the major advances in PDT can be attributed to the use of topical aminolevulinic (ALA) to induce Protoporphyrin IX (PpIX) for the treatment of early stage cancers as well as diagnosis. ALA is a precursor of the heme synthesis pathway. Locally delivered to the target tissue ALA overcomes the negative feedback exerted by heme and promotes the transient formation of PpIX in situ to reach critical effective levels in cells and tissue. Whereas early steps of the heme pathway occur in the cytosol, PpIX synthesis is shown to be held in the mitochondrial membranes and PpIX fluorescence is expected to accumulate in close vicinity of the initial building site and to progressively diffuse to the neighboring cytoplasmic compartment or other lipophylic organelles. PpIX is known to be highly reactive and will be degraded when irradiated with light. PpIX photobleaching is believed to be governed by a singlet oxygen mediated mechanism in the presence of oxidized amino acids and proteins. PpIX photobleaching and subsequent spectral phototransformation were described widely in tumor cells incubated in vitro with ALA solution, or ex vivo in human and porcine mucosa superfused with hexylaminolevulinate (hALA). PpIX photobleaching was also studied in vivo, using animal models such as normal or tumor mice skin and orthotopic rat bladder model. Hexyl aminolevulinate a more potent lipophilic derivative of ALA was proposed as an adjunct to standard cystoscopy in the fluorescence diagnosis of bladder cancer and other malignancies. We have previously reported the effectiveness of hALA mediated PDT of rat bladder cancer. Although normal and tumor bladder epithelium exhibit similar fluorescence intensities after intravesical instillation of two hALA concentrations (8 and 16 mM), the therapeutic response at 8mM and 20J/cm2 was completely different from the one observed at 16mM irradiated with the same light dose. Where the tumor is destroyed, leaving the underlying submucosa and muscle intact after an 8 mM instillation, 16mM sensitization and subsequent illumination results in the complete destruction of the underlying bladder wall but leaves the tumor undamaged. The object of the current study is to try to unravel the underlying mechanism for this apparent contradiction. PpIX extraction showed identical amounts of photosensitizer in tumor bearing bladders at both concentrations. Photobleaching experiments revealed mono-exponential decay curves in both situations but with a two times faster decay constant in case of 16mM bladders. Fluorescence microscopy shows an identical fluorescence pattern for normal bladders at both concentrations and tumor bladders at 8mM with bright spots. Tumor bladders at 16 mM exhibit a more diffuse cytoplasmic fluorescence distribution. The different response to PDT with regard to the initial pro-drug concentration can thus be attributed to the different cellular localization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bladder%20cancer" title="bladder cancer">bladder cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=hexyl-aminolevulinate" title=" hexyl-aminolevulinate"> hexyl-aminolevulinate</a>, <a href="https://publications.waset.org/abstracts/search?q=photobleaching" title=" photobleaching"> photobleaching</a>, <a href="https://publications.waset.org/abstracts/search?q=confocal%20fluorescence%20microscopy" title=" confocal fluorescence microscopy"> confocal fluorescence microscopy</a> </p> <a href="https://publications.waset.org/abstracts/39348/photobleaching-kinetics-and-epithelial-distribution-of-hexylaminoleuilinate-induced-ppix-in-rat-bladder-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39348.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">407</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">51</span> Improving Performance and Progression of Novice Programmers: Factors Considerations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Shaari">Hala Shaari</a>, <a href="https://publications.waset.org/abstracts/search?q=Nuredin%20Ahmed"> Nuredin Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Teaching computer programming is recognized to be difficult and a real challenge. The biggest problem faced by novice programmers is their lack of understanding of basic programming concepts. A visualized learning tool was developed and used by volunteered first-year students for two semesters. The purposes of this paper are firstly, to emphasize factors which directly affect the performance of our students negatively. Secondly, to examine whether the proposed tool would improve their performance and learning progression. The results of adopting this tool were conducted using a pre-survey and post-survey questionnaire. As a result, students who used the learning tool showed better performance in their programming subject. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=factors" title="factors">factors</a>, <a href="https://publications.waset.org/abstracts/search?q=novice" title=" novice"> novice</a>, <a href="https://publications.waset.org/abstracts/search?q=programming" title=" programming"> programming</a>, <a href="https://publications.waset.org/abstracts/search?q=visualization" title=" visualization"> visualization</a> </p> <a href="https://publications.waset.org/abstracts/64977/improving-performance-and-progression-of-novice-programmers-factors-considerations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64977.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">363</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">50</span> The Artificial Intelligence Technologies Used in PhotoMath Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tala%20Toonsi">Tala Toonsi</a>, <a href="https://publications.waset.org/abstracts/search?q=Marah%20Alagha"> Marah Alagha</a>, <a href="https://publications.waset.org/abstracts/search?q=Lina%20Alnowaiser"> Lina Alnowaiser</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Rajab"> Hala Rajab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This report is about the Photomath app, which is an AI application that uses image recognition technology, specifically optical character recognition (OCR) algorithms. The (OCR) algorithm translates the images into a mathematical equation, and the app automatically provides a step-by-step solution. The application supports decimals, basic arithmetic, fractions, linear equations, and multiple functions such as logarithms. Testing was conducted to examine the usage of this app, and results were collected by surveying ten participants. Later, the results were analyzed. This paper seeks to answer the question: To what level the artificial intelligence features are accurate and the speed of process in this app. It is hoped this study will inform about the efficiency of AI in Photomath to the users. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photomath" title="photomath">photomath</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20recognition" title=" image recognition"> image recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=app" title=" app"> app</a>, <a href="https://publications.waset.org/abstracts/search?q=OCR" title=" OCR"> OCR</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title=" artificial intelligence"> artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20equations." title=" mathematical equations."> mathematical equations.</a> </p> <a href="https://publications.waset.org/abstracts/145072/the-artificial-intelligence-technologies-used-in-photomath-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145072.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">171</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">49</span> Alexa (Machine Learning) in Artificial Intelligence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Loulwah%20Bokhari">Loulwah Bokhari</a>, <a href="https://publications.waset.org/abstracts/search?q=Jori%20Nazer"> Jori Nazer</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Sultan"> Hala Sultan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, artificial intelligence (AI) is used as a foundation for many activities in modern computing applications at home, in vehicles, and in businesses. Many modern machines are built to carry out a specific activity or purpose. This is where the Amazon Alexa application comes in, as it is used as a virtual assistant. The purpose of this paper is to explore the use of Amazon Alexa among people and how it has improved and made simple daily tasks easier for many people. We gave our participants several questions regarding Amazon Alexa and if they had recently used or heard of it, as well as the different tasks it provides and whether it successfully satisfied their needs. Overall, we found that participants who have recently used Alexa have found it to be helpful in their daily tasks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=Echo%20system" title=" Echo system"> Echo system</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=feature%20for%20feature%20match" title=" feature for feature match"> feature for feature match</a> </p> <a href="https://publications.waset.org/abstracts/151249/alexa-machine-learning-in-artificial-intelligence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151249.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">121</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">48</span> Patient Safety of Eating Ready-Made Meals at Government Hospitals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Kama%20Ahmed%20Rashwan">Hala Kama Ahmed Rashwan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ensuring the patient safety especially at intensive care units and those exposed to hospital tools and equipment is one of the most important challenges facing healthcare today. Outbreak of food poisoning as a result of food-borne pathogens has been reported in many hospitals and care homes all over the world due to hospital meals. Patient safety of eating hospital meals is a fundamental principle of healthcare; it is new healthcare disciplines that assure the food raw materials, food storage, meals processing, and control of kitchen errors that often lead to adverse healthcare events. The aim of this article is to promote any hospital in attaining the hygienic practices and better quality system during processing of the ready-to- eat meals for intensive care units patients according to the WHO safety guidelines. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hospitals" title="hospitals">hospitals</a>, <a href="https://publications.waset.org/abstracts/search?q=meals" title=" meals"> meals</a>, <a href="https://publications.waset.org/abstracts/search?q=safety" title=" safety"> safety</a>, <a href="https://publications.waset.org/abstracts/search?q=intensive%20care" title=" intensive care"> intensive care</a> </p> <a href="https://publications.waset.org/abstracts/44325/patient-safety-of-eating-ready-made-meals-at-government-hospitals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44325.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">510</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">47</span> Embracing Failure and Experimentation: A Journey through Artistic Residency</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Ali">Hala Ali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the evolving landscape of contemporary art, the value of failure and experimentation plays a central role in reshaping artistic research. This paper explores an artistic residency where the focus shifted from traditional practices of ink on canvas to performance art using the human body as a medium of expression. This residency emphasized uncertainty, experimentation, and emotional expression as the core of the process. Through collaboration between a calligrapher and a visual artist, the performance engaged themes of seduction, silence, and the transition between reality and abstraction. In alignment with experimental art practices, the process itself became the artwork, embracing moments of failure and disruption as key components of creative exploration. This research integrates theories from neuroscience, psychology, and artistic failure, drawing on the insights of thinkers like John Cage, Samuel Beckett, and Cornelius Cardew to further contextualize the residency’s impact. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=embodied%20art" title="embodied art">embodied art</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20communication" title=" emotional communication"> emotional communication</a>, <a href="https://publications.waset.org/abstracts/search?q=mindfulness%20in%20art" title=" mindfulness in art"> mindfulness in art</a>, <a href="https://publications.waset.org/abstracts/search?q=nonverbal%20communication" title=" nonverbal communication"> nonverbal communication</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20art" title=" performance art"> performance art</a> </p> <a href="https://publications.waset.org/abstracts/192388/embracing-failure-and-experimentation-a-journey-through-artistic-residency" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192388.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">22</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">46</span> The Synopsis of the AI-Powered Therapy Web Platform ‘Free AI Therapist'</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arwa%20Alnowaiser">Arwa Alnowaiser</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Shoukri"> Hala Shoukri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ‘FreeAITherapist’ is an artificial intelligence application that uses the power of AI to offer advice and mental health counseling to its users through its chatbot services. The AI therapist is designed to understand users' issues, concerns, and problems and respond appropriately; it provides empathy and guidance and uses evidence-based therapeutic techniques. With its user-friendly platform, it ensures accessibility for individuals in need, regardless of their geographical location. This website was created in direct response to the growing demand for mental health support, aiming to provide a cost-effective and confidential solution. Through promising confidentiality, it considers user privacy and data security. The ‘FreeAITherapist’ strives to bridge the gap in mental health services, offering a reliable resource for individuals seeking guidance and counseling to improve their overall well-being. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=AI%20therapist" title=" AI therapist"> AI therapist</a>, <a href="https://publications.waset.org/abstracts/search?q=website" title=" website"> website</a>, <a href="https://publications.waset.org/abstracts/search?q=counseling" title=" counseling"> counseling</a> </p> <a href="https://publications.waset.org/abstracts/186362/the-synopsis-of-the-ai-powered-therapy-web-platform-free-ai-therapist" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186362.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">44</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">45</span> Transesterification of Jojoba Oil Wax Using Microwave Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Moataz%20Elsawy">Moataz Elsawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20F.%20Naguib"> Hala F. Naguib</a>, <a href="https://publications.waset.org/abstracts/search?q=Hilda%20A.%20Aziz"> Hilda A. Aziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Eid%20A.%20Ismail"> Eid A. Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Labiba%20I.%20Hussein"> Labiba I. Hussein</a>, <a href="https://publications.waset.org/abstracts/search?q=Maher%20Z.%20Elsabee"> Maher Z. Elsabee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Jojoba oil-wax is extracted from the seeds of the jojoba (Simmondsia chinensis Link Schneider), a perennial shrub that grows in semi-desert areas in Egypt and in some parts of the world. The main uses of jojoba oil wax are in the cosmetics and pharmaceutical industry, but new uses could arise related to the search of new energetic crops. This paper summarizes a process to convert the jojoba oil wax to biodiesel by transesterification with ethanol and a series of aliphatic alcohols using a more economic and energy saving method in a domestic microwave. The effect of time and power of the microwave on the extent of the transesterification using ethanol and other aliphatic alcohols has been studied. The separation of the alkyl esters from the fatty alcohols rich fraction has been done in a single crystallization step at low temperature (−18°C) from low boiling point petroleum ether. Gas chromatography has been used to follow up the transesterification process. All products have been characterized by spectral analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=jojoba%20oil" title="jojoba oil">jojoba oil</a>, <a href="https://publications.waset.org/abstracts/search?q=transesterification" title=" transesterification"> transesterification</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave" title=" microwave"> microwave</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography%20jojoba%20esters" title=" gas chromatography jojoba esters"> gas chromatography jojoba esters</a>, <a href="https://publications.waset.org/abstracts/search?q=jojoba%20alcohol" title=" jojoba alcohol"> jojoba alcohol</a> </p> <a href="https://publications.waset.org/abstracts/9506/transesterification-of-jojoba-oil-wax-using-microwave-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9506.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">462</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">44</span> Day/Night Detector for Vehicle Tracking in Traffic Monitoring Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Taha">M. Taha</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20H.%20Zayed"> Hala H. Zayed</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Nazmy"> T. Nazmy</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Khalifa"> M. Khalifa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, traffic monitoring has attracted the attention of computer vision researchers. Many algorithms have been developed to detect and track moving vehicles. In fact, vehicle tracking in daytime and in nighttime cannot be approached with the same techniques, due to the extreme different illumination conditions. Consequently, traffic-monitoring systems are in need of having a component to differentiate between daytime and nighttime scenes. In this paper, a HSV-based day/night detector is proposed for traffic monitoring scenes. The detector employs the hue-histogram and the value-histogram on the top half of the image frame. Experimental results show that the extraction of the brightness features along with the color features within the top region of the image is effective for classifying traffic scenes. In addition, the detector achieves high precision and recall rates along with it is feasible for real time applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=day%2Fnight%20detector" title="day/night detector">day/night detector</a>, <a href="https://publications.waset.org/abstracts/search?q=daytime%2Fnighttime%20classification" title=" daytime/nighttime classification"> daytime/nighttime classification</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20classification" title=" image classification"> image classification</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle%20tracking" title=" vehicle tracking"> vehicle tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=traffic%20monitoring" title=" traffic monitoring"> traffic monitoring</a> </p> <a href="https://publications.waset.org/abstracts/34948/daynight-detector-for-vehicle-tracking-in-traffic-monitoring-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34948.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">555</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">43</span> Synthesis of Silver Nanoparticles by Different Types of Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khamael%20Abualnaja">Khamael Abualnaja</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20M.%20Abo-Dief"> Hala M. Abo-Dief</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Silver nanoparticles (AgNPs) are the subject of important recent interest, present in a large range of applications such as electronics, catalysis, chemistry, energy, and medicine. Metallic nanoparticles are traditionally synthesized by wet chemical techniques, where the chemicals used are quite often toxic and flammable. In this work, we describe an effective and environmental-friendly technique of green synthesis of silver nanoparticles. Silver nanoparticles (AgNPs) synthesized using silver nitrate solution and the extract of mint, basil, orange peel and Tangerines peel which used as reducing agents. Silver Nanoparticles were characterized using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and UV–Vis absorption spectroscopy. SEM analysis showed the average particle size of mint, basil, orange peel, Tangerines peel are 30, 20, 12, 10 nm respectively. This is for the first time that any plant extract was used for the synthesis of nanoparticles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=silver%20nanoparticles" title="silver nanoparticles">silver nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20synthesis" title=" green synthesis"> green synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=scanning%20electron%20microscopy" title=" scanning electron microscopy"> scanning electron microscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=plants" title=" plants"> plants</a> </p> <a href="https://publications.waset.org/abstracts/72608/synthesis-of-silver-nanoparticles-by-different-types-of-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72608.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">258</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">42</span> Inhibition of Pipelines Corrosion Using Natural Extracts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Alzahrani">Eman Alzahrani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20M.%20Abo-Dief"> Hala M. Abo-Dief</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20T.%20Mohamed"> Ashraf T. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work is aimed at examining carbon steel oil pipelines corrosion using three natural extracts (Eruca Sativa, Rosell and Mango peels) that are used as inhibitors of different concentrations ranging from 0.05-0.1wt. %. Two sulphur compounds are used as corrosion mediums. Weight loss method was used for measuring the corrosion rate of the carbon steel specimens immersed in technical white oil at 100ºC at various time intervals in absence and presence of the two sulphur compounds. The corroded specimens are examined using the chemical wear test, scratch test and hardness test. The scratch test is carried out using scratch loads from 0.5 Kg to 2.0 Kg. The scratch width is obtained at various scratch load and test conditions. The Brinell hardness test is carried out and investigated for both corroded and inhibited specimens. The results showed that three natural extracts can be used as environmentally friendly corrosion inhibitors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inhibition" title="inhibition">inhibition</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20extract" title=" natural extract"> natural extract</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20pipelines%20corrosion" title=" oil pipelines corrosion"> oil pipelines corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=sulphur%20compounds" title=" sulphur compounds "> sulphur compounds </a> </p> <a href="https://publications.waset.org/abstracts/33851/inhibition-of-pipelines-corrosion-using-natural-extracts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33851.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">507</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">41</span> The Role of Brand Authenticity in Egyptian Destination Marketing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Hilaly">Hala Hilaly</a>, <a href="https://publications.waset.org/abstracts/search?q=Nermin%20Morsy"> Nermin Morsy</a>, <a href="https://publications.waset.org/abstracts/search?q=Jala%20Morsy%20Ibrahim"> Jala Morsy Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brand authenticity has a significant impact on brand trust and can help grow within the markets. Consumers have become more concerned with the 'authenticity' due to the doubt of credibility of the value of mass production. This is why people prefer authentic products, which making authenticity a cornerstone of contemporary marketing and a major factor for brand success. Therefore, it is important to embrace a culture that encourages and promotes authentic values. Hence, the purpose of the research is to investigate the impact of using local products as an authentic brand on promoting Egyptian tourist destination and explore the effect of Globalized authenticity on the local product in Egypt. Results confirmed that local products provide an excellent opportunity to worldwide advertising with positive impact on promoting Egypt as tourist destination. However, number of problems are facing local products in Egypt such as imported 'Made in China' products as well as other obstacles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=authentic%20brand" title="authentic brand">authentic brand</a>, <a href="https://publications.waset.org/abstracts/search?q=contemporary%20marketing" title=" contemporary marketing"> contemporary marketing</a>, <a href="https://publications.waset.org/abstracts/search?q=destination%20marketing" title=" destination marketing"> destination marketing</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20products" title=" local products"> local products</a> </p> <a href="https://publications.waset.org/abstracts/100891/the-role-of-brand-authenticity-in-egyptian-destination-marketing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100891.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">283</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">40</span> Secure Mobile E-Business Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20A.%20Alrumaih">Hala A. Alrumaih</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is widely believed that mobile device is a promising technology for lending the opportunity for the third wave of electronic commerce. Mobile devices have changed the way companies do business. Many applications are under development or being incorporated into business processes. In this day, mobile applications are a vital component of any industry strategy. One of the greatest benefits of selling merchandise and providing services on a mobile application is that it widens a company’s customer base significantly. Mobile applications are accessible to interested customers across regional and international borders in different electronic business (e-business) area. But there is a dark side to this success story. The security risks associated with mobile devices and applications are very significant. This paper introduces a broad risk analysis for the various threats, vulnerabilities, and risks in mobile e-business applications and presents some important risk mitigation approaches. It reviews and compares two different frameworks for security assurance in mobile e-business applications. Based on the comparison, the paper suggests some recommendations for applications developers and business owners in mobile e-business application development process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-business" title="e-business">e-business</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20applications" title=" mobile applications"> mobile applications</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20mitigations" title=" risk mitigations"> risk mitigations</a>, <a href="https://publications.waset.org/abstracts/search?q=security%20assurance" title=" security assurance"> security assurance</a> </p> <a href="https://publications.waset.org/abstracts/16632/secure-mobile-e-business-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16632.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">295</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">39</span> Modeling of a Small Unmanned Aerial Vehicle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elsayed%20Ahmed">Ahmed Elsayed Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Hafez"> Ashraf Hafez</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20N.%20Ouda"> A. N. Ouda</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossam%20Eldin%20Hussein%20Ahmed"> Hossam Eldin Hussein Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Mohamed%20ABD-Elkader"> Hala Mohamed ABD-Elkader</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Unmanned Aircraft Systems (UAS) are playing increasingly prominent roles in defense programs and defense strategies around the world. Technology advancements have enabled the development of it to do many excellent jobs as reconnaissance, surveillance, battle fighters, and communications relays. Simulating a small unmanned aerial vehicle (SUAV) dynamics and analyzing its behavior at the preflight stage is too important and more efficient. The first step in the UAV design is the mathematical modeling of the nonlinear equations of motion. In this paper, a survey with a standard method to obtain the full non-linear equations of motion is utilized,and then the linearization of the equations according to a steady state flight condition (trimming) is derived. This modeling technique is applied to an Ultrastick-25e fixed wing UAV to obtain the valued linear longitudinal and lateral models. At the end, the model is checked by matching between the behavior of the states of the non-linear UAV and the resulted linear model with doublet at the control surfaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=UAV" title="UAV">UAV</a>, <a href="https://publications.waset.org/abstracts/search?q=equations%20of%20motion" title=" equations of motion"> equations of motion</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=linearization" title=" linearization"> linearization</a> </p> <a href="https://publications.waset.org/abstracts/23317/modeling-of-a-small-unmanned-aerial-vehicle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23317.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">743</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">38</span> Visfatin and Apelin Are New Interrelated Adipokines Playing Role in the Pathogenesis of Type 2 Diabetes Mellitus Associated Coronary Artery Disease in Postmenopausal Women</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20O.%20El-Mesallamy">Hala O. El-Mesallamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Salwa%20M.%20Suwailem"> Salwa M. Suwailem</a>, <a href="https://publications.waset.org/abstracts/search?q=Mae%20M.%20Seleem"> Mae M. Seleem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Visfatin and apelin are two new adipokines that recently gained a special interest in diabetes research. This study was conducted to study the interplay between these two adipokines and their correlation with other inflammatory and biochemical parameters in type 2 diabetic (T2D) postmenopausal women with CAD. Visfatin and apelin were measured by enzyme-linked immunoassay (ELISA). Visfatin was found to be significantly higher in the following groups: T2D patients without CAD, non-obese and obese T2D patients with CAD when compared to control group. Apelin was found to be significantly lower in non-obese and obese T2D patients with CAD when compared to control group. Visfatin and apelin were found to be significantly associated with each other and with other biochemical parameters. The current study provides evidence for the interplay between visfatin and apelin through the inflammatory milieu characteristic of T2D and their possible role in the pathogenesis of CAD complication of T2D. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=apelin" title="apelin">apelin</a>, <a href="https://publications.waset.org/abstracts/search?q=coronary%20artery%20disease" title=" coronary artery disease"> coronary artery disease</a>, <a href="https://publications.waset.org/abstracts/search?q=inflammation" title=" inflammation"> inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=type%202%20diabetes" title=" type 2 diabetes"> type 2 diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=visfatin" title=" visfatin"> visfatin</a> </p> <a href="https://publications.waset.org/abstracts/1845/visfatin-and-apelin-are-new-interrelated-adipokines-playing-role-in-the-pathogenesis-of-type-2-diabetes-mellitus-associated-coronary-artery-disease-in-postmenopausal-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1845.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">252</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">37</span> Human Mesenchymal Stem Cells as a Potential Source for Cell Therapy in Liver Disorders</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laila%20Montaser">Laila Montaser</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Gabr"> Hala Gabr</a>, <a href="https://publications.waset.org/abstracts/search?q=Maha%20El-Bassuony"> Maha El-Bassuony</a>, <a href="https://publications.waset.org/abstracts/search?q=Gehan%20Tawfeek"> Gehan Tawfeek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Orthotropic liver transplantation (OLT) is the final procedure of both end stage and metabolic liver diseases. Hepatocyte transplantation is an alternative for OLT, but the sources of hepatocytes are limited. Bone marrow mesenchymal stem cells (BM-MSCs) can differentiate into hepatocyte-like cells and are a potential alternative source for hepatocytes. The MSCs from bone marrow are a promising target population as they are capable of differentiating along multiple lineages and, at least in vitro, have significant expansion capability. MSCs from bone marrow may have the potential to differentiate in vitro and in vivo into hepatocytes. Our study examined whether mesenchymal stem cells (MSCs), which are stem cells originated from human bone marrow, are able to differentiate into functional hepatocyte-like cells in vitro. Our aim was to investigate the differentiation potential of BM-MSCs into hepatocyte-like cells. Adult stem cell therapy could solve the problem of degenerative disorders, including liver disease. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bone%20marrow" title="bone marrow">bone marrow</a>, <a href="https://publications.waset.org/abstracts/search?q=differentiation" title=" differentiation"> differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatocyte" title=" hepatocyte"> hepatocyte</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20cells" title=" stem cells "> stem cells </a> </p> <a href="https://publications.waset.org/abstracts/13255/human-mesenchymal-stem-cells-as-a-potential-source-for-cell-therapy-in-liver-disorders" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13255.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">519</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">36</span> Health, Social Integration and Social Justice: The Lived Experiences of Young Middle-Eastern Refugees in Australia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pranee%20Liamputtong">Pranee Liamputtong</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Kurban"> Hala Kurban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Based on the therapeutic landscape theory, this paper examines how young Middle-Eastern refugee individuals perceive their health and well-being and address the barriers they face in their new homeland and the means that helped them to form social connections in their new social environment. Qualitative methods (in-depth interviews and mapping activities) were conducted with ten young people from refugee backgrounds. Thematic analysis method was used to analyse the data. Findings suggested that the young refugees face various structural and cultural inequalities that significantly influenced their health and well-being. Mental health well-being was their greatest health concern. All reported the significant influence the English language had on their ability to adapt and form connections with their social environment. The presence of positive social support in their new social environment had a great impact on the health and well-being of the participants. The findings of this study have implications for social justice among refugees. They also contributed to the role of therapeutic landscapes and social support in helping young refugees to feel that they belonged to the society, and hence assisted them to adapt to their new living situation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=young%20refugees" title="young refugees">young refugees</a>, <a href="https://publications.waset.org/abstracts/search?q=Middle-Eastern" title=" Middle-Eastern"> Middle-Eastern</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20support" title=" social support"> social support</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20justice" title=" social justice"> social justice</a> </p> <a href="https://publications.waset.org/abstracts/73417/health-social-integration-and-social-justice-the-lived-experiences-of-young-middle-eastern-refugees-in-australia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73417.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">355</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">35</span> Developing Emission Factors of Fugitive Particulate Matter Emissions for Construction Sites in the Middle East Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20A.%20Hassan">Hala A. Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasiliki%20K.%20Tsiouri"> Vasiliki K. Tsiouri</a>, <a href="https://publications.waset.org/abstracts/search?q=Konstantinos%20E.%20Konstantinos"> Konstantinos E. Konstantinos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fugitive particulate matter (PM) is a major source of airborne pollution in the Middle East countries. The meteorological conditions and topography of the area make it highly susceptible to wind-blown particles which raise many air quality concerns. Air quality tools such as field monitoring, emission factors, and dispersion modeling have been used in previous research studies to analyze the release and impacts of fugitive PM in the region. However, these tools have been originally developed based on experiments made for European and North American regions. In this work, an experimental campaign was conducted on April-May 2014 in a construction site in Doha city, Qatar. The ultimate goal is to evaluate the applicability of the existing emission factors for construction sites in dry and arid areas like the Middle East. This publication was made possible by a NPRP award [NPRP 7-649-2-241] from the Qatar National Research Fund (a member of The Qatar Foundation). The statements made herein are solely the responsibility of the authors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=particulate%20matter" title="particulate matter">particulate matter</a>, <a href="https://publications.waset.org/abstracts/search?q=emissions" title=" emissions"> emissions</a>, <a href="https://publications.waset.org/abstracts/search?q=fugitive" title=" fugitive"> fugitive</a>, <a href="https://publications.waset.org/abstracts/search?q=construction" title=" construction"> construction</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20pollution" title=" air pollution"> air pollution</a> </p> <a href="https://publications.waset.org/abstracts/18681/developing-emission-factors-of-fugitive-particulate-matter-emissions-for-construction-sites-in-the-middle-east-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18681.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">351</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">34</span> A CD40 Variant is Associated with Systemic Bone Loss Among Patients with Rheumatoid Arthritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rim%20Sghiri">Rim Sghiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Samia%20Al%20Shouli"> Samia Al Shouli</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20Benhassine"> Hana Benhassine</a>, <a href="https://publications.waset.org/abstracts/search?q=Nejla%20Elamri"> Nejla Elamri</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahid%20Shakoor"> Zahid Shakoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Foued%20Slama"> Foued Slama</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20Almogren"> Adel Almogren</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Zeglaoui"> Hala Zeglaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Elyes%20Bouajina"> Elyes Bouajina</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramzi%20Zemni"> Ramzi Zemni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Little is known about genes predisposing to systemic bone loss (SBL) in rheumatoid arthritis (RA). Therefore, we examined the association between SBL and a variant of CD40 gene, which is known to play a critical role in both immune response and bone homeostasis among patients with RA. Methods: CD40 rs48104850 was genotyped in 176 adult RA patients. Bone mineral density (BMD) was measured using dual-energy X-ray absorptiometry (DXA). Results: Low BMD was observed in 116 (65.9%) patients. Among them, 60 (34.1%) had low femoral neck (FN) Z score, 72 (40.9%) had low total femur (TF) Z score, and 105 (59.6%) had low lumbar spine (LS) Z score. CD40 rs4810485 was found to be associated with reduced TF Z score with the CD40 rs4810485 T allele protecting against reduced TF Z score (OR = 0.40, 95% CI = 0.23-0.68, p = 0.0005). This association was confirmed in the multivariate logistic regression analysis (OR=0.31, 95% CI= 0.16-0.59, p=3.84 x 10₋₄). Moreover, median FN BMD was reduced among RA patients with CD40 rs4810485 GG genotype compared to RA patients harbouring CD40 rs4810485 TT and GT genotypes (0.788± 0.136 versus 0.826± 0.146g/cm², p=0.001). Conclusion: This study, for the first time ever, demonstrated an association between a CD40 genetic variant and SBL among patients with RA. <p class="card-text"><strong>Keywords:</strong> <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=CD40%20gene" title=" CD40 gene"> CD40 gene</a>, <a href="https://publications.waset.org/abstracts/search?q=bone%20mineral%20density" title=" bone mineral density"> bone mineral density</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20bone%20loss" title=" systemic bone loss"> systemic bone loss</a>, <a href="https://publications.waset.org/abstracts/search?q=rs48104850" title=" rs48104850"> rs48104850</a> </p> <a href="https://publications.waset.org/abstracts/144783/a-cd40-variant-is-associated-with-systemic-bone-loss-among-patients-with-rheumatoid-arthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144783.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">460</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">33</span> Endometriosis, Bladder Endometriosis (BE), Urinary Tract Endometriosis (UTE), Robotic-Assisted Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farida%20Eid">Farida Eid</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Nasseif"> Hala Nasseif</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20Mokhtar"> Hana Mokhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=Labib%20Riachi"> Labib Riachi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mudhar%20Hasan"> Mudhar Hasan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bladder Endometriosis is a rare form of endometriosis and is defined as the presence of endometriotic tissue in the detrusor muscle of the bladder, either in full or partial thickness. Women typically present with dysuria, urinary frequency, hematuria, and recurrent urinary tract infections. Bladder endometriosis is typically found at the bladder base and bladder dome. Transvaginal ultrasound is considered first-line imaging, and the condition is typically managed with laparoscopic partial cystectomy. A 33-year-old nulliparous woman presented with chronic pelvic pain, severe dysmenorrhea, and metrorrhagia. The patient was previously diagnosed with bladder endometriomas two years ago with multiple recurrences. MRI revealed urinary bladder endometriosis measuring 3 x 2 x 1.5 cm. Accordingly, the patient underwent a cystoscopy-guided robotic-assisted excision of the endometriotic implant in the bladder with cystotomy and repair of the bladder mucosa. The operation was tolerated well, and the postoperative period was uneventful. Bladder Endometriosis (BE) typically presents with urinary symptoms and can be mistaken for a bladder tumor upon further imaging. The case was successfully managed with cystoscopy-guided, robotic-assisted excision and fulguration of the endometriotic implant in the bladder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=endometriosis" title="endometriosis">endometriosis</a>, <a href="https://publications.waset.org/abstracts/search?q=bladder%20endometriosis%20%28BE%29" title=" bladder endometriosis (BE)"> bladder endometriosis (BE)</a>, <a href="https://publications.waset.org/abstracts/search?q=urinary%20tract%20endometriosis%20%28UTE%29" title=" urinary tract endometriosis (UTE)"> urinary tract endometriosis (UTE)</a>, <a href="https://publications.waset.org/abstracts/search?q=robotic-assisted%20surgery" title=" robotic-assisted surgery"> robotic-assisted surgery</a> </p> <a href="https://publications.waset.org/abstracts/189818/endometriosis-bladder-endometriosis-be-urinary-tract-endometriosis-ute-robotic-assisted-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189818.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">30</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">32</span> On the Implementation of The Pulse Coupled Neural Network (PCNN) in the Vision of Cognitive Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Zaghloul">Hala Zaghloul</a>, <a href="https://publications.waset.org/abstracts/search?q=Taymoor%20Nazmy"> Taymoor Nazmy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the great challenges of the 21st century is to build a robot that can perceive and act within its environment and communicate with people, while also exhibiting the cognitive capabilities that lead to performance like that of people. The Pulse Coupled Neural Network, PCNN, is a relative new ANN model that derived from a neural mammal model with a great potential in the area of image processing as well as target recognition, feature extraction, speech recognition, combinatorial optimization, compressed encoding. PCNN has unique feature among other types of neural network, which make it a candid to be an important approach for perceiving in cognitive systems. This work show and emphasis on the potentials of PCNN to perform different tasks related to image processing. The main drawback or the obstacle that prevent the direct implementation of such technique, is the need to find away to control the PCNN parameters toward perform a specific task. This paper will evaluate the performance of PCNN standard model for processing images with different properties, and select the important parameters that give a significant result, also, the approaches towards find a way for the adaptation of the PCNN parameters to perform a specific task. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20system" title="cognitive system">cognitive system</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a>, <a href="https://publications.waset.org/abstracts/search?q=segmentation" title=" segmentation"> segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=PCNN%20kernels" title=" PCNN kernels"> PCNN kernels</a> </p> <a href="https://publications.waset.org/abstracts/53579/on-the-implementation-of-the-pulse-coupled-neural-network-pcnn-in-the-vision-of-cognitive-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53579.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">280</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">31</span> The Impact of Life Skills in the Educational Context on the Integration Processes of Migrants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20Abdulhafiz">Hala Abdulhafiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Steffi%20Robak"> Steffi Robak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Refugees often arrive in Germany with traumatic experiences, leading to psy-chosocial challenges. According to the World Health Organization's definition, psychosocial life skills help individuals effectively cope with everyday challenges and enhance their overall health and well-being. This study explores life skills acquired in integration courses and their impact on the integration of Syrian migrants. Methods: Qualitative expert interviews identified crucial life skills for successful integration, followed by a qualitative content analysis of integration course textbooks. Additionally, written interviews with former participants of integration courses were conducted. Results: Expert interviews highlighted the significance of communication skills and problem-solving abilities in promoting integration. Emotional and stress management, however, ranked lower in the hierarchy of essential life skills. While many highlighted life skills were addressed and encouraged in textbooks, there was a deficiency in opportunities to strengthen empathy, creativity, emotions, and stress management. The participant survey revealed that respondents possessed some of the defined life skills positively affecting their integration. However, there was a need for enhancing self-esteem, and many struggled with handling emotions and stress situations. Conclusion: The analyzed life skills should be further developed through educational programs and initiatives, with increased emphasis on textbooks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=life%20skills" title="life skills">life skills</a>, <a href="https://publications.waset.org/abstracts/search?q=integration" title=" integration"> integration</a>, <a href="https://publications.waset.org/abstracts/search?q=migration" title=" migration"> migration</a>, <a href="https://publications.waset.org/abstracts/search?q=integration%20course" title=" integration course"> integration course</a> </p> <a href="https://publications.waset.org/abstracts/177983/the-impact-of-life-skills-in-the-educational-context-on-the-integration-processes-of-migrants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177983.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">78</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">30</span> The Protective Effects of Naringenin on Iodoacetamide-Induced Ulcerative Colitis in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yomna%20T.%20Abdou">Yomna T. Abdou</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20F.%20Zaki"> Hala F. Zaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanaa%20A.%20Kenawy"> Sanaa A. Kenawy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Naringenin is a flavanone, a type of flavonoid, found in fruits such as grapefruit, oranges, and tomatoes, was found to possess antioxidant, anti-inflammatory and antitumor effects. The present study was conducted to investigate the protective effect of naringenin on iodoacetamide-induced ulcerative colitis (UC) in rats. Male Wistar rats were pretreated with sulfasalazine (300 mg/kg, p.o.) as standard anti-inflammatory drug or naringenin (50 mg/kg, p.o.) for 7 consecutive days then UC was induced by intracolon administration of 0.1 ml (2%) iodoacetamide dissolved in 1% methylcelluose. One week later, animals were scarificed and the colonic tissues were dissected. Colon inflammation was evident by elevation in colon tumor necrosis factor alpha (TNFα) and interleukin-8 (IL-8) as well as inducible nitric oxide synthase (iNOS) enzyme, prostaglandin- E2 (PG-E2) and myeloperoxidase (MPO) activities. Additionally, oxidative stress was manifested by increased colon lipoperoxidation (MDA), glutathione (GSH) depletion, elevated nitric oxide (NO) content and glutathione peroxidase (GPx) activity. Pretreatment with naringenin largely mitigated these alterations. The present study reinforces the hypothetical use of naringenin as an anti-inflammatory complement to conventional UC treatment and could be considered in the dietary prevention of intestinal inflammation and related disorders. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iodoacetamide" title="iodoacetamide">iodoacetamide</a>, <a href="https://publications.waset.org/abstracts/search?q=naringenin" title=" naringenin"> naringenin</a>, <a href="https://publications.waset.org/abstracts/search?q=sulfasalazine" title=" sulfasalazine"> sulfasalazine</a>, <a href="https://publications.waset.org/abstracts/search?q=ulcerative%20colitis" title=" ulcerative colitis"> ulcerative colitis</a> </p> <a href="https://publications.waset.org/abstracts/14883/the-protective-effects-of-naringenin-on-iodoacetamide-induced-ulcerative-colitis-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14883.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">515</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">29</span> Investigating the Impact of Solar Radiation on Electricity Meters’ Accuracy Using A Modified Climatic Chamber</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hala%20M.%20Abdel%20Mageed">Hala M. Abdel Mageed</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20M.%20Hosny"> Eman M. Hosny</a>, <a href="https://publications.waset.org/abstracts/search?q=Adel%20S.%20Nada"> Adel S. Nada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Solar radiation test is one of the essential tests performed on electricity meters that is carried out using solar simulators. In this work, the (MKF-240) climatic chamber has been modified to act as a solar simulator at the Egyptian national institute of standard, NIS. Quartz Tungsten Halogen (QTH) lamps and an Aluminum plate are added to the climatic chamber to realize the solar test conditions. Many experimental trials have been performed to reach the optimum number of lamps needed to fulfil the test requirements and to adjust the best uniform test area. The proposed solar simulator design is capable to produce irradiance up to 1066 W/m2. Its output radiation is controlled by changing the number of illuminated lamps as well as changing the distance between lamps and tested electricity meter. The uniformity of radiation within the simulator has been recognized to be 91.5 % at maximum irradiance. Three samples of electricity meters have been tested under different irradiances, temperatures, and electric loads. The electricity meters’ accuracies have been recorded and analyzedfor eachsample. Moreover, measurement uncertainty contribution has been considered in all tests to get precision value. There were noticeable changes in the accuracies of the electricity meters while exposed to solar radiation, although there were no noticeable distortions of their insulationsand outer surfaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solar%20radiation" title="solar radiation">solar radiation</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20simulator" title=" solar simulator"> solar simulator</a>, <a href="https://publications.waset.org/abstracts/search?q=climatic%20chamber" title=" climatic chamber"> climatic chamber</a>, <a href="https://publications.waset.org/abstracts/search?q=halogen%20lamp" title=" halogen lamp"> halogen lamp</a>, <a href="https://publications.waset.org/abstracts/search?q=electricity%20meter" title=" electricity meter"> electricity meter</a> </p> <a href="https://publications.waset.org/abstracts/152458/investigating-the-impact-of-solar-radiation-on-electricity-meters-accuracy-using-a-modified-climatic-chamber" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152458.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">127</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">28</span> Advanced Nanostructured Materials and Their Application for Solar Fuel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Hegazy">A. Hegazy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elsayed"> Ahmed Elsayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Essam%20El%20Shenawy"> Essam El Shenawy</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Allam"> N. Allam</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20Handal"> Hala Handal</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20R.%20Mahmoud"> K. R. Mahmoud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Highly crystalline, TiO₂ pristine sub-10 nm anatase nanocrystals were fabricated at low temperatures by post hydrothermal treatment of the as-prepared TiO₂ nanoparticles. This treatment resulted in bandgap narrowing and increased photocurrent density value (3.8 mA/cm²) when this material was employed in water splitting systems. The achieved photocurrent values are among the highest reported ones so far for the fabricated nanoparticles at this low temperature. This might be explained by the increased surface defects of the prepared nanoparticles. It resulted in bandgap narrowing that was further investigated using positron annihilation experiments by measuring positron lifetime and Doppler broadening. Besides, homogeneous spherical TiO₂ nanoparticles were synthesized in large diameter and high surface area and the high percentage of (001) facet by sol-gel method using potassium persulfate (K₂S₂O₈) as an oxidizing agent. The fabricated particles exhibited high exposed surface area, high photoactivity and reduced band gap. Enhanced performance for water splitting applications was displayed by formed TiO₂ nanoparticles. Their morphological and structural properties were studied to optimize their synthesis parameters in an attempt to construct more applicable fuel cells in the industry for hydrogen fuel production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=positron%20annihilation" title="positron annihilation">positron annihilation</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=TiO2%20nanoparticles" title=" TiO2 nanoparticles"> TiO2 nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20splitting" title=" water splitting"> water splitting</a> </p> <a href="https://publications.waset.org/abstracts/124606/advanced-nanostructured-materials-and-their-application-for-solar-fuel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124606.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">145</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=Hala%20Elsadek&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Hala%20Elsadek&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a 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