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Bedawy</title> <meta name="description" content="Search results for: Randa El Bedawy"> <meta name="keywords" content="Randa El Bedawy"> <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 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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="Randa El Bedawy"> <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> 21</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Randa El Bedawy</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Experiential Learning for Upholding Entrepreneurship Education: A Case Study from Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20El%20Bedawy">Randa El Bedawy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Exchanging best practices in the scope of entrepreneurship education and the use of experiential learning approaches are growing lately at a very fast pace. Educators should be challenged to promote such a learning approach to bridge the gap between entrepreneurship students and the actual business work environment. The study aims to share best practices, experiences, and knowledge to support entrepreneurship education. The study is exploratory qualitative research based on a case study approach to demonstrate how experiential learning can be used for supporting learning effectiveness in entrepreneurship education through demonstrating a set of fourteen tasks that were used to engage practically the students who were studying a course of entrepreneurship at the American University in Cairo. The study sheds the light on the rational process of using experiential learning to endorse entrepreneurship education through the illustration of each task along with its learning outcomes. The study explores the benefits and obstacles that educators may face when implementing such an experiential approach. The results of the study confirm that developing an experiential learning approach based on constructing a set of well designed practical tasks that complement the overall intended learning outcomes has proven very effective for promoting the students’ learning of entrepreneurship education. However, good preparation for both educators and students is needed primarily to ensure the effective implementation of such an experiential learning approach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=business%20education" title="business education">business education</a>, <a href="https://publications.waset.org/abstracts/search?q=entrepreneurship" title=" entrepreneurship"> entrepreneurship</a>, <a href="https://publications.waset.org/abstracts/search?q=entrepreneurship%20education" title=" entrepreneurship education"> entrepreneurship education</a>, <a href="https://publications.waset.org/abstracts/search?q=experiential%20learning" title=" experiential learning "> experiential learning </a> </p> <a href="https://publications.waset.org/abstracts/119255/experiential-learning-for-upholding-entrepreneurship-education-a-case-study-from-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119255.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">20</span> Contribution to the Study of the Fungal Flora Seed-Borne in Cereal: Wheat and Barley</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M%E2%80%99lik%20Randa">M’lik Randa</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhdari%20Wassima"> Lakhdari Wassima</a>, <a href="https://publications.waset.org/abstracts/search?q=Dahliz%20Abderrahm%C3%A8ne"> Dahliz Abderrahmène</a>, <a href="https://publications.waset.org/abstracts/search?q=Soud%20Adila"> Soud Adila</a>, <a href="https://publications.waset.org/abstracts/search?q=Hammi%20Hamida"> Hammi Hamida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In cereal culture, as in the most the vegetal productions the seeds play an important role in the development of the future plant. The healthy seeds are very important for the quality and quantity production. This study on a media (P.D.A) shows that an important mycoflora exists in the crops. Among the identified fungical, we notice the presence of Helminthosporium sp, Alternaria sp, Botrytis and Macrosporium. The use of the illness causing facies, especially for Helminthosporium, Alternaria and Botrytis emphasizes the relation between the seminicole inoculums and the appearance of symptoms on young plants noted by authors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seeds" title="seeds">seeds</a>, <a href="https://publications.waset.org/abstracts/search?q=barley" title=" barley"> barley</a>, <a href="https://publications.waset.org/abstracts/search?q=wheat" title=" wheat"> wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=fungical%20flora" title=" fungical flora"> fungical flora</a> </p> <a href="https://publications.waset.org/abstracts/14121/contribution-to-the-study-of-the-fungal-flora-seed-borne-in-cereal-wheat-and-barley" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14121.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">416</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">19</span> Biological Control of Tuta absoluta (Meyrick) (Lep: Gelechiidae) with Enthomopathogenic Fungi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dahliz%20Abderrahm%C3%A8ne">Dahliz Abderrahmène</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhdari%20Wassim"> Lakhdari Wassim</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouchikh%20Yamina"> Bouchikh Yamina</a>, <a href="https://publications.waset.org/abstracts/search?q=Hammi%20Hamida"> Hammi Hamida</a>, <a href="https://publications.waset.org/abstracts/search?q=Soud%20Adila"> Soud Adila</a>, <a href="https://publications.waset.org/abstracts/search?q=M%E2%80%99lik%20Randa"> M’lik Randa</a>, <a href="https://publications.waset.org/abstracts/search?q=Benglia%20Sara"> Benglia Sara </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Devastating insects constitute one of strains for cultivate tomato. Among this vandal insects, the tomato leafminer (T. absoluta), which has been introduced in Algeria constitute a challenge for both agricultures and scientists. Firstly, this insect is introduced without their natural enemies which may reduce their damage. Secondly, this species has developed insecticide resistance to many active matters. To contribute to establish a control strategy for T. absoluta we have mad an inventory for their enthomopathogenic fungi. Two fungi were identified among others taken from adults and pupae. These fungi are Aspergillus flavus and Metarhizium sp. A study was conducted in laboratory to recognize the efficiency of these antagonists. These species had unregistered a mortality mounts of 42% and 56% respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tuta%20absoluta" title="Tuta absoluta">Tuta absoluta</a>, <a href="https://publications.waset.org/abstracts/search?q=enthomopathogenic%20fungi" title=" enthomopathogenic fungi"> enthomopathogenic fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aspergillus%20flavus" title=" Aspergillus flavus"> Aspergillus flavus</a>, <a href="https://publications.waset.org/abstracts/search?q=Metarhizium%20sp" title=" Metarhizium sp"> Metarhizium sp</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20strategy" title=" control strategy"> control strategy</a> </p> <a href="https://publications.waset.org/abstracts/14173/biological-control-of-tuta-absoluta-meyrick-lep-gelechiidae-with-enthomopathogenic-fungi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14173.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">455</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">18</span> Investigation Of The Catalyst's Effect On Nickel Sulfide Thin Films</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Slatnia">Randa Slatnia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the nanostructured stable phase identification elaborated by nickel nitrate hyxahydrate and thiourea compounds. After the preparation of the solution (Stirred mixture with methanol as solvent), a deposition of eight layers of this solution on a glass substrate and annealed at 300 °C for energy applications. The annealed sample was analyzed by X-ray Grazing incidence diffraction (GID) with a Bruker D8 Advance diffractometer using Cu Kα1 radiation at 40 kV and 40 mA (1600 W) and Scanning electron microscopy (Thermo Fisher environmental SEM). The results of XRD-GID analysis for the prepared sample showed the formation of an identified stable phase NiS2 and the XRD-GID pattern of the elaborated sample with eight layers prepared solution and annealed show wide and characteristic peaks of the NiS2 with cubic structure (ICDD card no. PDF 01-078-4702). The morphology of the NiS2 thin films confirmed by XRD-GID analysis was investigated by ESEM showed a surface with a uniform and homogeneous distribution nanostructure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nickel%20sulfide" title="nickel sulfide">nickel sulfide</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20films" title=" thin films"> thin films</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=ESEM" title=" ESEM"> ESEM</a> </p> <a href="https://publications.waset.org/abstracts/167593/investigation-of-the-catalysts-effect-on-nickel-sulfide-thin-films" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167593.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">83</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">17</span> Design and Facile Synthesis of New Amino Acid Derivatives with Anti-Tumor and Antimicrobial Activities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hoda%20Sabry%20Othman">Hoda Sabry Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Helmy%20Swellem"> Randa Helmy Swellem</a>, <a href="https://publications.waset.org/abstracts/search?q=Galal%20Abd%20El-Moein%20Nawwar"> Galal Abd El-Moein Nawwar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> N-cyanoacetyl glycine is a reactive polyfunctional precursor for synthesis of new difficult accessible compounds including pyridones, thiazolopyridine and others. The key step of this protocol is the formation of different ylidines which underwent Michael addition with carbon nucleophiles affording various heterocyclic compounds. Selected compounds underwent pharmacological evaluation, in vitro against two cell lines; breast cell line (MCF-7),and liver cell line(HEPG2). Compounds 14, 15a and 16 showed IC50 values 8.93, 8.18 and 8.03 (µ/ml) respectively for breast cell line (MCF-7), while the standard drug (Tamoxifen) revealed IC50 8.31. With respect to the liver cell line (HEPG2), compounds 14 and 15a revealed IC50 18.4 and 13.6(µ/ml) respectively while the IC50 of the standard drug(5-Flurouracil) is 25(µ/ml). The antimicrobial activity was also screened and revealed that oxime 7 and ylidine 9f showed a broad-spectrum activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antitumor" title="antitumor">antitumor</a>, <a href="https://publications.waset.org/abstracts/search?q=cyanoacetyl%20glycine" title=" cyanoacetyl glycine"> cyanoacetyl glycine</a>, <a href="https://publications.waset.org/abstracts/search?q=heterocycles" title=" heterocycles"> heterocycles</a>, <a href="https://publications.waset.org/abstracts/search?q=pyridones" title=" pyridones"> pyridones</a> </p> <a href="https://publications.waset.org/abstracts/41735/design-and-facile-synthesis-of-new-amino-acid-derivatives-with-anti-tumor-and-antimicrobial-activities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41735.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">337</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">16</span> Low-Cost Embedded Biometric System Based on Fingervein Modality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Boukhris">Randa Boukhris</a>, <a href="https://publications.waset.org/abstracts/search?q=Alima%20Damak"> Alima Damak</a>, <a href="https://publications.waset.org/abstracts/search?q=Dorra%20Sellami"> Dorra Sellami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fingervein biometric authentication is one of the most popular and accurate technologies. However, low cost embedded solution is still an open problem. In this paper, a real-time implementation of fingervein recognition process embedded in Raspberry-Pi has been proposed. The use of Raspberry-Pi reduces overall system cost and size while allowing an easy user interface. Implementation of a target technology has guided to opt some specific parallel and simple processing algorithms. In the proposed system, we use four structural directional kernel elements for filtering finger vein images. Then, a Top-Hat and Bottom-Hat kernel filters are used to enhance the visibility and the appearance of venous images. For feature extraction step, a simple Local Directional Code (LDC) descriptor is applied. The proposed system presents an Error Equal Rate (EER) and Identification Rate (IR), respectively, equal to 0.02 and 98%. Furthermore, experimental results show that real-time operations have good performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biometric" title="biometric">biometric</a>, <a href="https://publications.waset.org/abstracts/search?q=Bottom-Hat" title=" Bottom-Hat"> Bottom-Hat</a>, <a href="https://publications.waset.org/abstracts/search?q=Fingervein" title=" Fingervein"> Fingervein</a>, <a href="https://publications.waset.org/abstracts/search?q=LDC" title=" LDC"> LDC</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasberry-Pi" title=" Rasberry-Pi"> Rasberry-Pi</a>, <a href="https://publications.waset.org/abstracts/search?q=ROI" title=" ROI"> ROI</a>, <a href="https://publications.waset.org/abstracts/search?q=Top-Hat" title=" Top-Hat"> Top-Hat</a> </p> <a href="https://publications.waset.org/abstracts/86829/low-cost-embedded-biometric-system-based-on-fingervein-modality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86829.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">205</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">15</span> Isolation and Identification of Fungal Pathogens in Palm Groves of Oued Righ </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lakhdari%20Wassima">Lakhdari Wassima</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouffroukh%20Ammar"> Ouffroukh Ammar</a>, <a href="https://publications.waset.org/abstracts/search?q=Dahliz%20Abderrahm%C3%A8ne"> Dahliz Abderrahmène</a>, <a href="https://publications.waset.org/abstracts/search?q=Soud%20Adila"> Soud Adila</a>, <a href="https://publications.waset.org/abstracts/search?q=Hammi%20Hamida"> Hammi Hamida</a>, <a href="https://publications.waset.org/abstracts/search?q=M%E2%80%99lik%20Randa"> M’lik Randa </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Prospected palm groves of Oued Righ regions (Ouargla, Algeria) allowed us to observe sudden death of palm trees aged between 05 and 70 years. Field examinations revealed abnormal clinical signs with sometimes a quick death of affected trees. Entomologic investigations have confirmed the absence of phytophagous insects on dead trees. Further investigations by questioning farmers on the global management of palm groves visited (Irrigation, water quality used, soil type, etc.) did not establish any relationship between these aspects and the death of palm trees, which naturally pushed us to focus our investigations for research on fungal pathogens. Thus, laboratory studies were conducted to know the real causes of this phenomenon, 13 fungi were found on different parts of the dead palm trees. The flowing fungal types were identified: 1-Diplodia phoenicum, 2-Theilaviopsis paradoxa, 3-Phytophthora sp, 4-Helminthosporium sp, 5-Stemphylium botryosum, 6-Alternaria sp, 7-Aspergillus niger, 8-Aspergillus sp. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=palm%20tree" title="palm tree">palm tree</a>, <a href="https://publications.waset.org/abstracts/search?q=death" title=" death"> death</a>, <a href="https://publications.waset.org/abstracts/search?q=fungal%20pathogens" title=" fungal pathogens"> fungal pathogens</a>, <a href="https://publications.waset.org/abstracts/search?q=Oued%20Righ" title=" Oued Righ "> Oued Righ </a> </p> <a href="https://publications.waset.org/abstracts/14128/isolation-and-identification-of-fungal-pathogens-in-palm-groves-of-oued-righ" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14128.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">414</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">14</span> Biochar as a Strong Adsorbent for Multiple-Metal Removal from Contaminated Water </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20H.%20El-Gamal">Eman H. El-Gamal</a>, <a href="https://publications.waset.org/abstracts/search?q=Mai%20E.%20Khedr"> Mai E. Khedr</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Ghonim"> Randa Ghonim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Rashad"> Mohamed Rashad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the past few years, biochar - a highly carbon-rich material produced from agro-wastes by pyrolysis process - was used as an effective adsorbent for heavy metals removal from polluted water. In this study, different types of biochar (rice straw 'RSB', corn cob 'CCB', and Jatropha shell 'JSB' were used to evaluate the adsorption capacity of heavy metals removal from multiple-metal solutions (Cu, Mn, Zn, and Cd). Kinetics modeling has been examined to illustrate potential adsorption mechanisms. The results showed that the potential removal of metal is dependent on the metal and biochar types. The adsorption capacity of the biochars followed the order: RSB > JSB > CCB. In general, RSB and JSB biochars presented high potential removal of heavy metals from polluted water, which was higher than 90 and 80% after 2 hrs of contact time for all metals, respectively. According to the kinetics data, the pseudo-second-order model was agreed strongly with Cu, Mn, Zn, and Cd adsorption onto the biochars (R2 ≥ 0.97), indicating the dominance of specific adsorption process, i.e., chemisorption. In conclusion, this study revealed that RSB and JSB biochar have the potential to be a strong adsorbent for multiple-metal removal from wastewater. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption" title="adsorption">adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=biochar" title=" biochar"> biochar</a>, <a href="https://publications.waset.org/abstracts/search?q=chemisorption" title=" chemisorption"> chemisorption</a>, <a href="https://publications.waset.org/abstracts/search?q=polluted%20water" title=" polluted water"> polluted water</a> </p> <a href="https://publications.waset.org/abstracts/119198/biochar-as-a-strong-adsorbent-for-multiple-metal-removal-from-contaminated-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119198.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">150</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">13</span> Relation between Copper, Lipid Profile, and Cognition in Elderly Jordanians</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Al-khateeba">Eman Al-khateeba</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebaa%20Al-Zayadneha"> Ebaa Al-Zayadneha</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20Al-Dalahmahb"> Osama Al-Dalahmahb</a>, <a href="https://publications.waset.org/abstracts/search?q=Zeinab%20Alawadib"> Zeinab Alawadib</a>, <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Khatiba"> Faisal Khatiba</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Naffaa"> Randa Naffaa</a>, <a href="https://publications.waset.org/abstracts/search?q=Yanal%20Shafagoj"> Yanal Shafagoj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of the current study was to examine the association of plasma copper and lipid concentrations with changes in cognitive function in elderly Jordanian individuals. The study population consisted of two groups; 52 subjects with dementia, and 50 controls. All individuals were screened with Mini-Mental State Examination (MMSE) and Clock drawing test (CDT).Serum copper and lipid profile were assessed in all subjects, and the results were statistically evaluated at P < 0.05 level of significance. Dementia group had 10.1 % higher copper levels than controls however the difference was not statistically significant. No significant differences could be found between the two groups in lipid profile levels. There was no significant correlation between serum copper, lipid profile and cognitive decline in elderly Jordanians. Demographic variables indicate that educational level less than 12 years and illiterate demonstrated a 3.29 fold (p=0.026) and 6.29 fold (p=0.002) increase in risk of developing dementia, respectively. While coffee intake showed a protective effect against cognitive decline with 6.25 fold lower risk with increased coffee intake. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=copper" title="copper">copper</a>, <a href="https://publications.waset.org/abstracts/search?q=cholesterol" title=" cholesterol"> cholesterol</a>, <a href="https://publications.waset.org/abstracts/search?q=dementia" title=" dementia"> dementia</a>, <a href="https://publications.waset.org/abstracts/search?q=Alzheimer%27s%20disease" title=" Alzheimer's disease"> Alzheimer's disease</a>, <a href="https://publications.waset.org/abstracts/search?q=lipid%20profile" title=" lipid profile"> lipid profile</a>, <a href="https://publications.waset.org/abstracts/search?q=coffee" title=" coffee"> coffee</a> </p> <a href="https://publications.waset.org/abstracts/3050/relation-between-copper-lipid-profile-and-cognition-in-elderly-jordanians" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3050.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">481</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">12</span> Investigations on the Cytotoxicity and Antimicrobial Activities of Terezine E and 14-Hydroxyterezine D</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mariam%20Mojally">Mariam Mojally</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Abdou"> Randa Abdou</a>, <a href="https://publications.waset.org/abstracts/search?q=Wisal%20Bokhari"> Wisal Bokhari</a>, <a href="https://publications.waset.org/abstracts/search?q=Sultan%20Sab"> Sultan Sab</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Dawoud"> Mohammed Dawoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Amjad%20Albohy"> Amjad Albohy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Secondary metabolites produced by endophytes are an excellent source of biologically active compounds. In our current study, we evaluated terezine E and 14-hydroxyterezine D for binding to the active site of histone deacetylase (PDB ID: 4CBT) and matrix metalloproteinase 9 (PDB ID: 4H3X) by molecular docking using AutoDock Vina software after having tested their cytotoxic activities on three cell lines (human ductal breast epithelial tumor cells (T47D)-HCC1937), human hepatocarcinoma cell line (HepG2)-HB8065), and human colorectal carcinoma cells (HCT-116)-TCP1006, purchased from ATCC, USA)). Additionally, their antimicrobial activities were investigated, and their minimum inhibitory concentration (MIC) values were determined against P. notatum and S. aureus by the broth microdilution method. Higher cytotoxicity was observed for terezine E against all tested cell lines compared to 14-hydroxyterezine D. Molecular docking results supported the high cytotoxicity of terezine E and showed higher binding affinity with 4CBT with an energy score of 9 kcal/mol. Terezine E showed higher antibacterial and antifungal activities than 14-hydroxyrerezine D: MIC values were 15.45 and 21.73 mg/mL against S. aureus and 8.61 and 11.54 mg/mL against P. notatum, respectively <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Terezine%20E" title="Terezine E">Terezine E</a>, <a href="https://publications.waset.org/abstracts/search?q=14-Hydroxyterezine%20D" title=" 14-Hydroxyterezine D"> 14-Hydroxyterezine D</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20docking" title=" molecular docking"> molecular docking</a> </p> <a href="https://publications.waset.org/abstracts/179873/investigations-on-the-cytotoxicity-and-antimicrobial-activities-of-terezine-e-and-14-hydroxyterezine-d" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179873.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">73</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">11</span> Influence of 50 Hz, 1m Tesla Electromagnetic Fields on Serum Male Sex Hormones of Male Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20M.%20Mostafa">Randa M. Mostafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Moustafa"> Y. Moustafa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During our daily life, we are continuously exposed to the extremely low frequency electromagnetic fields (ELF-EMFs) generated by electric appliances. The possible relation between exposure to (ELF-MFs) and adverse health effects has attracted and passed through long debate sessions. Extremely low frequency is a term used to describe radiation frequencies below 300 Hertz (Hz).It is very important for public health because of the widespread use of electrical power at 50-60 Hz in most countries. This study set out to investigate the impact of chronic exposure of male rats to 50- Hz, 1 mTesla (ELF-EMF) of over periods of 1, 2, and 4 weeks on concentration of serum FSH, LH, and testosterone hormones. 60 male albino rats were divided into 6 groups and were continuously exposed to 50-Hz, 1 m Tesla (ELF-EMF) generated by magnetic field chamber for periods of 1, 2, and 4 weeks. For each experimental point, sham treated group was used as a control. Assay of serum testosterone LH, and FSHwere performed. Serum testosterone showed no significant changes. FSH showed significant increase than sham exposed group after 1 week of field exposure. LH showed significant increase than sham exposed group only after 4 weeks of field exposure. A future detailed molecular studies must be carried out to figure out and may be able to explain the possible interactions between ELF-EMF and hypothalamic-pituitary gonadal axis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=extremely%20low%20frequency%20electromagnetic%20fields" title="extremely low frequency electromagnetic fields">extremely low frequency electromagnetic fields</a>, <a href="https://publications.waset.org/abstracts/search?q=testosterone" title=" testosterone"> testosterone</a>, <a href="https://publications.waset.org/abstracts/search?q=follicular%20stimulating%20hormone" title=" follicular stimulating hormone"> follicular stimulating hormone</a>, <a href="https://publications.waset.org/abstracts/search?q=LH" title=" LH "> LH </a> </p> <a href="https://publications.waset.org/abstracts/16414/influence-of-50-hz-1m-tesla-electromagnetic-fields-on-serum-male-sex-hormones-of-male-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16414.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">10</span> Building Intercultural Competence in English Language Learners: Practices and Materials of Cultural-Based Language Teaching</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Alahmadi">Randa Alahmadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Because the world has become a global village, English is not only used by native speakers, but also by non-native speakers from culturally diverse backgrounds. Even though learning a second/foreign language requires development of the four skills: reading, writing, listening, and speaking, there is also an intertwined relationship between language and culture, making it difficult to teach language without knowing the cultural context in which it is to be used. In the past decade, the number of international students enrolled in universities around the world has increased significantly. Having the urge to communicate effectively would serve as a motivation for both international and domestic students. The teaching of culture is important because linguistic competence is not enough for successful communication with speakers of other languages. Therefore, whether teaching natives or non-natives, students need to improve their cross-cultural communication skills and become culturally prepared to communicate successfully with people from other cultures. Teachers can equip their students for this environment by giving them appropriate knowledge and skills for effective intercultural communication. This paper will focus on the importance of intercultural communicative competence and its role in developing students’ understanding of diverse cultures as part of learning foreign/second languages. It will also explain how teachers can decide which culture should be taught: the target culture, the learners’ culture, or both. Moreover, practical and effective techniques that can be used in cultural-based language teaching will be shared. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cultural-based%20language%20teaching" title="cultural-based language teaching">cultural-based language teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=English%20as%20a%20lingua%20franca" title=" English as a lingua franca"> English as a lingua franca</a>, <a href="https://publications.waset.org/abstracts/search?q=English%20language%20learners" title=" English language learners"> English language learners</a>, <a href="https://publications.waset.org/abstracts/search?q=intercultural%20communicative%20competence" title=" intercultural communicative competence"> intercultural communicative competence</a> </p> <a href="https://publications.waset.org/abstracts/65011/building-intercultural-competence-in-english-language-learners-practices-and-materials-of-cultural-based-language-teaching" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65011.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">328</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">9</span> Finding the Theory of Riba Avoidance: A Scoping Review to Set the Research Agenda</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Ismail%20Sharafeddine">Randa Ismail Sharafeddine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Islamic economic system is distinctive in that it implicitly recognizes money as a separate, independent component of production capable of assuming risk and so entitled to the same reward as other Entrepreneurial Factors of Production (EFP). Conventional theory does not identify money capital explicitly as a component of production; rather, interest is recognized as a reward for capital, the interest rate is the cost of money capital, and it is also seen as a cost of physical capital. The conventional theory of production examines how diverse non-entrepreneurial resources (Land, Labor, and Capital) are selected; however, the economic theory community is largely unaware of the reasons why these resources choose to remain as non-entrepreneurial resources as opposed to becoming entrepreneurial resources. Should land, labor, and financial asset owners choose to work for others in return for rent, income, or interest, or should they engage in entrepreneurial risk-taking in order to profit. This is a decision made often in the actual world, but it has never been effectively treated in economic theory. This article will conduct a critical analysis of the conventional classification of factors of production and propose a classification for resource allocation and income distribution (Rent, Wages, Interest, and Profits) that is more rational, even within the conventional theoretical framework for evaluating and developing production and distribution theories. Money is an essential component of production in an Islamic economy, and it must be used to sustain economic activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=financial%20capital" title="financial capital">financial capital</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20theory" title=" production theory"> production theory</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution%20theory" title=" distribution theory"> distribution theory</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20activity" title=" economic activity"> economic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=riba%20avoidance" title=" riba avoidance"> riba avoidance</a>, <a href="https://publications.waset.org/abstracts/search?q=institution%20of%20participation" title=" institution of participation"> institution of participation</a> </p> <a href="https://publications.waset.org/abstracts/154721/finding-the-theory-of-riba-avoidance-a-scoping-review-to-set-the-research-agenda" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154721.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">91</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">8</span> Study on the Effect Cabbage (Brassica oleracea) and Ginger (Zingiber officinale) Extracts on Rat Liver Injuries Induced by Carbon tetrachloride (CCl4)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asmaa%20F.%20Hamouda">Asmaa F. Hamouda</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20M%20Shrourou"> Randa M Shrourou </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cabbage (Brassica oleracea) and Ginger (Zingiber officinale) constitute apportion of regular human diet. The effect of Cabbage(CE) and Ginger extracts(GE) separately on liver nitric oxide (NO), malondialdehyde (MDA), as well as serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin, total cholesterol(TC), triglyceride(T.G), high density lipoprotein(HDL cholesterol), low density lipoprotein (LDL cholesterol), thyroid-stimulating hormone (TSH), Triiodothyronine (T3), Thyroxine (T4) in rats treated and untreated with carbon tetrachloride (CCl4) was studied. The levels of NO, MDA, as well as serum AST, ALT, total bilirubin, TC, T.G, LDLand TSH showed an elevation and decline in HDL, T3, and T4 in rats treated with CCl4 as compared to control. Treatment of rats with GE pre, during, and post CCl4 administration improved NO, MDA, as well as serum AST, ALT, total bilirubin, TC, T.G, HDL, LDL, TSH, T3, T4 as compared to CCl4, indicates that GE improve thyroid function and reduced oxidative stress as well as injuries induced by CCl4. Treatment of rats with CE pre, during, and post CCl4 administration did not improved in the thyroid hormones and lipid profile levels as compared to CCl4. These findings suggest that ginger treatment exerts a protective effect on metabolic disorders by decreasing oxidative stress. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=liver%20injuries" title="liver injuries">liver injuries</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20tetrachloride%20%28CCl4%29" title=" carbon tetrachloride (CCl4)"> carbon tetrachloride (CCl4)</a>, <a href="https://publications.waset.org/abstracts/search?q=cabbage%20%28Brassica%20oleracea%29" title=" cabbage (Brassica oleracea)"> cabbage (Brassica oleracea)</a>, <a href="https://publications.waset.org/abstracts/search?q=ginger%20%28Zingiber%20officinale%29" title=" ginger (Zingiber officinale)"> ginger (Zingiber officinale)</a>, <a href="https://publications.waset.org/abstracts/search?q=thyroid%20function" title=" thyroid function"> thyroid function</a> </p> <a href="https://publications.waset.org/abstracts/37629/study-on-the-effect-cabbage-brassica-oleracea-and-ginger-zingiber-officinale-extracts-on-rat-liver-injuries-induced-by-carbon-tetrachloride-ccl4" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37629.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">265</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">7</span> Magnetic Nano-Composite of Self-Doped Polyaniline Nanofibers for Magnetic Dispersive Micro Solid Phase Extraction Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hatem%20I.%20Mokhtar">Hatem I. Mokhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20A.%20Abd-El-Salam"> Randa A. Abd-El-Salam</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghada%20M.%20Hadad"> Ghada M. Hadad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An improved nano-composite of self-doped polyaniline nanofibers and silica-coated magnetite nanoparticles were prepared and evaluated for suitability to magnetic dispersive micro solid-phase extraction. The work focused on optimization of the composite capacity to extract four fluoroquinolones (FQs) antibiotics, ciprofloxacin, enrofloxacin, danofloxacin, and difloxacin from water and improvement of composite stability towards acid and atmospheric degradation. Self-doped polyaniline nanofibers were prepared by oxidative co-polymerization of aniline with anthranilic acid. Magnetite nanopariticles were prepared by alkaline co-precipitation and coated with silica by silicate hydrolysis on magnetite nanoparticles surface at pH 6.5. The composite was formed by self-assembly by mixing self-doped polyaniline nanofibers with silica-coated magnetite nanoparticles dispersions in ethanol. The composite structure was confirmed by transmission electron microscopy (TEM). Self-doped polyaniline nanofibers and magnetite chemical structures were confirmed by FT-IR while silica coating of the magnetite was confirmed by Energy Dispersion X-ray Spectroscopy (EDS). Improved stability of the composite magnetic component was evidenced by resistance to degrade in 2N HCl solution. The adsorption capacity of self-doped polyaniline nanofibers based composite was higher than previously reported corresponding composite prepared from polyaniline nanofibers instead of self-doped polyaniline nanofibers. Adsorption-pH profile for the studied FQs on the prepared composite revealed that the best pH for adsorption was in range of 6.5 to 7. Best extraction recovery values were obtained at pH 7 using phosphate buffer. The best solvent for FQs desorption was found to be 0.1N HCl in methanol:water (8:2; v/v) mixture. 20 mL of Spiked water sample with studied FQs were preconcentrated using 4.8 mg of composite and resulting extracts were analysed by HPLC-UV method. The prepared composite represented a suitable adsorbent phase for magnetic dispersive micro-solid phase application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluoroquinolones" title="fluoroquinolones">fluoroquinolones</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20dispersive%20micro%20extraction" title=" magnetic dispersive micro extraction"> magnetic dispersive micro extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-composite" title=" nano-composite"> nano-composite</a>, <a href="https://publications.waset.org/abstracts/search?q=self-doped%20polyaniline%20nanofibers" title=" self-doped polyaniline nanofibers"> self-doped polyaniline nanofibers</a> </p> <a href="https://publications.waset.org/abstracts/112283/magnetic-nano-composite-of-self-doped-polyaniline-nanofibers-for-magnetic-dispersive-micro-solid-phase-extraction-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112283.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">122</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Attitude and Knowledge of Primary Health Care Physicians and Local Inhabitants about Leishmaniasis and Sandfly in West Alexandria, Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20M.%20Ali">Randa M. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Naguiba%20F.%20Loutfy"> Naguiba F. Loutfy</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20M.%20Awad"> Osama M. Awad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Leishmaniasis is a worldwide disease, affecting 88 countries, it is estimated that about 350 million people are at risk of leishmaniasis. Overall prevalence is 12 million people with annual mortality of about 60,000. Annual incidence is 1,500,000 cases of cutaneous leishmaniasis (CL) worldwide and half million cases of visceral Leishmaniasis (VL). Objectives: The objective of this study was to assess primary health care physicians knowledge (PHP) and attitude about leishmaniasis and to assess awareness of local inhabitants about the disease and its vector in four areas in west Alexandria, Egypt. Methods: This study was a cross sectional survey that was conducted in four PHC units in west Alexandria. All physicians currently working in these units during the study period were invited to participate in the study, only 20 PHP completed the questionnaire. 60 local inhabitant were selected randomly from the four areas of the study, 15 from each area; Data was collected through two different specially designed questionnaires. Results: 11(55%) percent of the physicians had satisfactory knowledge, they answered more than 9 (60%) questions out of a total 14 questions about leishmaniasis and sandfly. The second part of the questionnaire is concerned with attitude of the primary health care physicians about leishmaniasis, 17 (85%) had good attitude and 3 (15%) had poor attitude. The second questionnaire showed that the awareness of local inhabitants about leishmaniasis and sandly as a vector of the disease is poor and needs to be corrected. Most of the respondents (90%) had not heard about leishmaniasis, Only 3 (5%) of the interviewed inhabitants said they know sandfly and its role in transmission of leishmaniasis. Conclusions: knowledge and attitudes of physicians are acceptable. However, there is, room for improvement and could be done through formal training courses and distribution of guidelines. In addition to raising the awareness of primary health care physicians about the importance of early detection and notification of cases of lesihmaniasis. Moreover, health education for raising awareness of the public regarding the vector and the disease is necessary because related studies have demonstrated that if the inhabitants do not perceive mosquitoes to be responsible for diseases such as malaria they do not take enough measures to protect themselves against the vector. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leishmaniasis" title="leishmaniasis">leishmaniasis</a>, <a href="https://publications.waset.org/abstracts/search?q=PHP" title=" PHP"> PHP</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge" title=" knowledge"> knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=attitude" title=" attitude"> attitude</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20inhabitants" title=" local inhabitants "> local inhabitants </a> </p> <a href="https://publications.waset.org/abstracts/12442/attitude-and-knowledge-of-primary-health-care-physicians-and-local-inhabitants-about-leishmaniasis-and-sandfly-in-west-alexandria-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12442.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">449</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">5</span> Bayesian Parameter Inference for Continuous Time Markov Chains with Intractable Likelihood</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Alharbi">Randa Alharbi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladislav%20Vyshemirsky"> Vladislav Vyshemirsky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Systems biology is an important field in science which focuses on studying behaviour of biological systems. Modelling is required to produce detailed description of the elements of a biological system, their function, and their interactions. A well-designed model requires selecting a suitable mechanism which can capture the main features of the system, define the essential components of the system and represent an appropriate law that can define the interactions between its components. Complex biological systems exhibit stochastic behaviour. Thus, using probabilistic models are suitable to describe and analyse biological systems. Continuous-Time Markov Chain (CTMC) is one of the probabilistic models that describe the system as a set of discrete states with continuous time transitions between them. The system is then characterised by a set of probability distributions that describe the transition from one state to another at a given time. The evolution of these probabilities through time can be obtained by chemical master equation which is analytically intractable but it can be simulated. Uncertain parameters of such a model can be inferred using methods of Bayesian inference. Yet, inference in such a complex system is challenging as it requires the evaluation of the likelihood which is intractable in most cases. There are different statistical methods that allow simulating from the model despite intractability of the likelihood. Approximate Bayesian computation is a common approach for tackling inference which relies on simulation of the model to approximate the intractable likelihood. Particle Markov chain Monte Carlo (PMCMC) is another approach which is based on using sequential Monte Carlo to estimate intractable likelihood. However, both methods are computationally expensive. In this paper we discuss the efficiency and possible practical issues for each method, taking into account the computational time for these methods. We demonstrate likelihood-free inference by performing analysing a model of the Repressilator using both methods. Detailed investigation is performed to quantify the difference between these methods in terms of efficiency and computational cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Approximate%20Bayesian%20computation%28ABC%29" title="Approximate Bayesian computation(ABC)">Approximate Bayesian computation(ABC)</a>, <a href="https://publications.waset.org/abstracts/search?q=Continuous-Time%20Markov%20Chains" title=" Continuous-Time Markov Chains"> Continuous-Time Markov Chains</a>, <a href="https://publications.waset.org/abstracts/search?q=Sequential%20Monte%20Carlo" title=" Sequential Monte Carlo"> Sequential Monte Carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=Particle%20Markov%20chain%20Monte%20Carlo%20%28PMCMC%29" title=" Particle Markov chain Monte Carlo (PMCMC)"> Particle Markov chain Monte Carlo (PMCMC)</a> </p> <a href="https://publications.waset.org/abstracts/82129/bayesian-parameter-inference-for-continuous-time-markov-chains-with-intractable-likelihood" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82129.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">202</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">4</span> Incidence of Fungal Infections and Mycotoxicosis in Pork Meat and Pork By-Products in Egyptian Markets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Samir%20Hakim">Ashraf Samir Hakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Randa%20Mohamed%20Alarousy"> Randa Mohamed Alarousy </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The consumption of food contaminated with molds (microscopic filamentous fungi) and their toxic metabolites results in the development of food-borne mycotoxicosis. The spores of molds are ubiquitously spread in the environment and can be detected everywhere. Ochratoxin A is a potentially carcinogenic fungal toxin found in a variety of food commodities , not only is considered the most abundant and hence the most commonly detected member but also is the most toxic one.Ochratoxin A is the most abundant and hence the most commonly detected member, but is also the most toxic of the three. A very limited research works concerning foods of porcine origin in Egypt were obtained in spite of presence a considerable swine population and consumers. In this study, the quality of various ready-to-eat local and imported pork meat and meat byproducts sold in Egyptian markets as well as edible organs as liver and kidney were assessed for the presence of various molds and their toxins as a raw material. Mycological analysis was conducted on (n=110) samples which included pig livers n=10 and kidneys n=10 from the Basateen slaughter house; local n=70 and 20 imported processed pork meat byproducts.The isolates were identified using traditional mycological and biochemical tests while, Ochratoxin A levels were quantitatively analyzed using the high performance liquid. Results of conventional mycological tests for detecting the presence of fungal growth (yeasts or molds) were negative, while the results of mycotoxins concentrations were be greatly above the permiceable limits or "tolerable weekly intake" (TWI) of ochratoxin A established by EFSA in 2006 in local pork and pork byproducts while the imported samples showed a very slightly increasing.Since ochratoxin A is stable and generally resistant to heat and processing, control of ochratoxin A contamination lies in the control of the growth of the toxin-producing fungi. Effective prevention of ochratoxin A contamination therefore depends on good farming and agricultural practices. Good Agricultural Practices (GAP) including methods to reduce fungal infection and growth during harvest, storage, transport and processing provide the primary line of defense against contamination with ochratoxin A. To the best of our knowledge this is the first report of mycological assessment, especially the mycotoxins in pork byproducts in Egypt. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Egyptian%20markets" title="Egyptian markets">Egyptian markets</a>, <a href="https://publications.waset.org/abstracts/search?q=mycotoxicosis" title=" mycotoxicosis"> mycotoxicosis</a>, <a href="https://publications.waset.org/abstracts/search?q=ochratoxin%20A" title=" ochratoxin A"> ochratoxin A</a>, <a href="https://publications.waset.org/abstracts/search?q=pork%20meat" title=" pork meat"> pork meat</a>, <a href="https://publications.waset.org/abstracts/search?q=pork%20by-products" title=" pork by-products "> pork by-products </a> </p> <a href="https://publications.waset.org/abstracts/26233/incidence-of-fungal-infections-and-mycotoxicosis-in-pork-meat-and-pork-by-products-in-egyptian-markets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26233.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">466</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">3</span> The Impact of Artificial Intelligence on Autism Attitudes and Laws</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20Reda%20Luke%20Waheeb">Randa Reda Luke Waheeb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A descriptive statistical analysis of the data showed that the most important factor evoking negative attitudes among teachers is student behavior. have been presented as useful models for understanding the risk factors and protective factors associated with the emergence of autistic traits. Although these "syndrome" forms of autism reach clinical thresholds, they appear to be distinctly different from the idiopathic or "non-syndrome" autism phenotype. Most teachers reported that kindergartens did not prepare them for the educational needs of children with autism, particularly in relation to non-verbal skills. The study is important and points the way for improving teacher inclusion education in Thailand. Inclusive education for students with autism is still in its infancy in Thailand. Although the number of autistic children in schools has increased significantly since the Thai government introduced the Education Regulations for Persons with Disabilities Act in 2008, there is a general lack of services for autistic students and their families. This quantitative study used the Teaching Skills and Readiness Scale for Students with Autism (APTSAS) to test the attitudes and readiness of 110 elementary school teachers when teaching students with autism in general education classrooms. To uncover the true nature of these co morbidities, it is necessary to expand the definition of autism to include the cognitive features of the disorder, and then apply this expanded conceptualization to examine patterns of autistic syndromes. This study used various established eye-tracking paradigms to assess the visual and attention performance of children with DS and FXS who meet the autism thresholds defined in the Social Communication Questionnaire. To study whether the autistic profiles of these children are associated with visual orientation difficulties ("sticky attention"), decreased social attention, and increased visual search performance, all of which are hallmarks of the idiopathic autistic child phenotype. Data will be collected from children with DS and FXS, aged 6 to 10 years, and two control groups matched for age and intellectual ability (i.e., children with idiopathic autism).In order to enable a comparison of visual attention profiles, cross-sectional analyzes of developmental trajectories are carried out. Significant differences in the visual-attentive processes underlying the presentation of autism in children with FXS and DS have been suggested, supporting the concept of syndrome specificity. The study provides insights into the complex heterogeneity associated with autism syndrome symptoms and autism itself, with clinical implications for the utility of autism intervention programs in DS and FXS populations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=attitude" title="attitude">attitude</a>, <a href="https://publications.waset.org/abstracts/search?q=autism" title=" autism"> autism</a>, <a href="https://publications.waset.org/abstracts/search?q=teachers" title=" teachers"> teachers</a>, <a href="https://publications.waset.org/abstracts/search?q=sports%20activities" title=" sports activities"> sports activities</a>, <a href="https://publications.waset.org/abstracts/search?q=movement%20skills" title=" movement skills"> movement skills</a>, <a href="https://publications.waset.org/abstracts/search?q=motor%20skills" title=" motor skills"> motor skills</a> </p> <a href="https://publications.waset.org/abstracts/184329/the-impact-of-artificial-intelligence-on-autism-attitudes-and-laws" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184329.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">55</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">2</span> Ethnobotanical Study, Phytochemical Screening, and Biological Activity of Culinary Spices Commonly Used in Ommdurman, Sudan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20M.%20T.%20Mohamed">Randa M. T. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spices have long been used as traditional ingredients in the kitchen for seasoning, coloring, aromatic and food preservative properties. Besides, spices are equally used for therapeutic purposes. The objective of this study was to survey and document the medicinal properties of spices commonly used in the Sudanese kitchen for different food preparations. Also, extracts from reported spices were screened for the presence of secondary metabolites as well as their antioxidant and beta-lactamase inhibitory properties. This study was conducted in the Rekabbya Quartier in Omdurman, Khartoum State, Sudan. Information was collected by carrying out semi-structured interviews. All informants (30) in the present study were women. Spices were purchased from Attareen shop in Omdurman. Essential oils from spices were extracted by hydrodistillation, and ethanolic extracts by maceration. Phytochemical screening was performed by thin-layer chromatography (TLC). The antioxidant capacity of essential oils and ethanolic extracts was investigated through TLC bioautography. Beta lactamase inhibitory activity was performed by the acidimetric test. Ethnobotany study showed that a total of 16 spices were found to treat 36 ailments belonging to 10 categories. The most frequently claimed medicinal uses were for the digestive system diseases treated by 14 spices and respiratory system diseases treated by 8 spices. Gynecological problems were treated with 4 spices. Dermatological diseases were cured by 5 spices, while infections caused by tapeworms and other microbes causing dysentery were treated by 3 spices. 4 spices were used to treat bad breath, bleeding gum and toothache. Headache, eyes infection, cardiac stimulation and epilepsy were treated with one spice each. Other health problems like fatigue and loss of appetite, and low breast milk production were treated by 1, 3 and 2 spices, respectively. The majority (69%, 11/16) of spices were exported from different countries like India, China, Indonesia, Ethiopia, Egypt and Nigeria, while 31% (5/16) was cultivated in Sudan. Essential oils of all spices were rich in terpenes, while ethanolic extracts contained variable classes of secondary metabolites. Both essential oils and ethanolic extracts of all spices exerted considerable antioxidant activity. Only one extract, Syzygium aromaticum, possessed beta-lactamase inhibitory activity. In conclusion, this study could contribute to conserving information on traditional medicinal uses of spices in Sudan. Also, the results demonstrated the potential of some of these spices to exert beneficial antimicrobial and antioxidant effects. Detailed phytochemical and biological assays of these spices are recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spices" title="spices">spices</a>, <a href="https://publications.waset.org/abstracts/search?q=enthnobotany" title=" enthnobotany"> enthnobotany</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=betalactamase%20inhibition" title=" betalactamase inhibition"> betalactamase inhibition</a> </p> <a href="https://publications.waset.org/abstracts/189634/ethnobotanical-study-phytochemical-screening-and-biological-activity-of-culinary-spices-commonly-used-in-ommdurman-sudan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189634.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">1</span> Ethnobotanical Study, Phytochemical Screening and Biological Activity of Culinary Spices Commonly Used in Ommdurman, Sudan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Randa%20M.%20T.%20Mohamed">Randa M. T. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spices have long been used as traditional ingredients in the kitchen for seasoning, coloring, aromatic and food preservative properties. Besides, spices are equally used for therapeutic purposes. The objective of this study was to survey and document the medicinal properties of spices commonly used in the Sudanese kitchen for different food preparations. Also, extracts from reported spices were screened for the presence of secondary metabolites as well as their antioxidant and beta-lactamase inhibitory properties. This study was conducted in the Rekabbya Quartier in Omdurman, Khartoum State, Sudan. Information was collected by carrying out semi-structured interviews. All informants (30) in the present study were women. Spices were purchased from Attareen shop in Omdurman. Essential oils from spices were extracted by hydrodistillation and ethanolic extracts by maceration. Phytochemical screening was performed by thin layer chromatography (TLC). The antioxidant capacity of essential oils and ethanolic extracts was investigated through TLC bioautography. Beta lactamase inhibitory activity was performed by the acidimetric test. Ethnobotany study showed that a total of 16 spices were found to treat 36 ailments belonging to 10 categories. The most frequently claimed medicinal uses were for the digestive system diseases treated by 14 spices and respiratory system diseases treated by 8 spices. Gynaecological problems were treated by 4 spices. Dermatological diseases were cured by 5 spices while infections caused by tapeworms and other microbes causing dysentery were treated by 3 spices. 4 spices were used to treat bad breath, bleeding gum and toothache. Headache, eyes infection, cardiac stimulation and epilepsy were treated by one spice each. Other health problem like fatigue and loss of appetite and low breast milk production were treated by 1, 3 and 2 spices respectively. The majority (69%, 11/16) of spices were exported from different countries like India, China, Indonesia, Ethiopia, Egypt and Nigeria while 31% (5/16) was cultivated in Sudan. Essential oils of all spices were rich in terpenes while ethanolic extracts contained variable classes of secondary metabolites. Both essential oils and ethanolic extracts of all spices exerted considerable antioxidant activity. Only one extract, Syzygium aromaticum, possessed beta lactamase inhibitory activity. In conclusion, this study could contribute in conserving information on traditional medicinal uses of spices in Sudan. Also, the results demonstrated the potential of some of these spices to exert beneficial antimicrobial and antioxidant effect. Detailed phytochemical and biological assays of these spices are recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spices" title="spices">spices</a>, <a href="https://publications.waset.org/abstracts/search?q=ethnobotany" title=" ethnobotany"> ethnobotany</a>, <a href="https://publications.waset.org/abstracts/search?q=phytoconstituents" title=" phytoconstituents"> phytoconstituents</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title=" antioxidant"> antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=beta%20lactamase%20inhibition" title=" beta lactamase inhibition"> beta lactamase inhibition</a> </p> <a href="https://publications.waset.org/abstracts/173733/ethnobotanical-study-phytochemical-screening-and-biological-activity-of-culinary-spices-commonly-used-in-ommdurman-sudan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173733.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">79</span> </span> </div> </div> </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 href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a href="https://waset.org/conferences">Conferences</a></li> <li><a href="https://waset.org/conference-programs">Conference Program</a></li> <li><a href="https://waset.org/committees">Committees</a></li> <li><a href="https://publications.waset.org">Publications</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Research <li><a href="https://publications.waset.org/abstracts">Abstracts</a></li> <li><a href="https://publications.waset.org">Periodicals</a></li> <li><a href="https://publications.waset.org/archive">Archive</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Open Science <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Philosophy.pdf">Open Science Philosophy</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Award.pdf">Open Science Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Society-Open-Science-and-Open-Innovation.pdf">Open Innovation</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Postdoctoral-Fellowship-Award.pdf">Postdoctoral Fellowship Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Scholarly-Research-Review.pdf">Scholarly Research Review</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Support <li><a href="https://waset.org/page/support">Support</a></li> <li><a href="https://waset.org/profile/messages/create">Contact Us</a></li> <li><a href="https://waset.org/profile/messages/create">Report Abuse</a></li> </ul> </div> </div> </div> </div> </div> <div class="container text-center"> <hr style="margin-top:0;margin-bottom:.3rem;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" class="text-muted small">Creative Commons Attribution 4.0 International License</a> <div id="copy" class="mt-2">© 2024 World Academy of Science, Engineering and Technology</div> </div> </footer> <a href="javascript:" id="return-to-top"><i class="fas fa-arrow-up"></i></a> <div class="modal" id="modal-template"> <div class="modal-dialog"> <div class="modal-content"> <div class="row m-0 mt-1"> <div class="col-md-12"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> </div> <div class="modal-body"></div> </div> </div> </div> <script src="https://cdn.waset.org/static/plugins/jquery-3.3.1.min.js"></script> <script src="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/js/bootstrap.bundle.min.js"></script> <script src="https://cdn.waset.org/static/js/site.js?v=150220211556"></script> <script> jQuery(document).ready(function() { /*jQuery.get("https://publications.waset.org/xhr/user-menu", function (response) { jQuery('#mainNavMenu').append(response); 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