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Ahmed</title> <meta name="description" content="Search results for: Zubair Ahmed"> <meta name="keywords" content="Zubair Ahmed"> <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="Zubair Ahmed"> <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> 1625</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Zubair Ahmed</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1565</span> RNA-Seq Analysis of the Wild Barley (H. spontaneum) Leaf Transcriptome under Salt Stress</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Bahieldin">Ahmed Bahieldin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Atef"> Ahmed Atef</a>, <a href="https://publications.waset.org/abstracts/search?q=Jamal%20S.%20M.%20Sabir"> Jamal S. M. Sabir</a>, <a href="https://publications.waset.org/abstracts/search?q=Nour%20O.%20Gadalla"> Nour O. Gadalla</a>, <a href="https://publications.waset.org/abstracts/search?q=Sherif%20Edris"> Sherif Edris</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Alzohairy"> Ahmed M. Alzohairy</a>, <a href="https://publications.waset.org/abstracts/search?q=Nezar%20A.%20Radhwan"> Nezar A. Radhwan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20N.%20Baeshen"> Mohammed N. Baeshen</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Ramadan"> Ahmed M. Ramadan</a>, <a href="https://publications.waset.org/abstracts/search?q=Hala%20F.%20Eissa"> Hala F. Eissa</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabah%20M.%20Hassan"> Sabah M. Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Nabih%20A.%20Baeshen"> Nabih A. Baeshen</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20Abuzinadah"> Osama Abuzinadah</a>, <a href="https://publications.waset.org/abstracts/search?q=Magdy%20A.%20Al-Kordy"> Magdy A. Al-Kordy</a>, <a href="https://publications.waset.org/abstracts/search?q=Fotouh%20M.%20El-Domyati"> Fotouh M. El-Domyati</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20K.%20Jansen"> Robert K. Jansen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wild salt-tolerant barley (Hordeum spontaneum) is the ancestor of cultivated barley (Hordeum vulgare or H. vulgare). Although the cultivated barley genome is well studied, little is known about genome structure and function of its wild ancestor. In the present study, RNA-Seq analysis was performed on young leaves of wild barley treated with salt (500 mM NaCl) at four different time intervals. Transcriptome sequencing yielded 103 to 115 million reads for all replicates of each treatment, corresponding to over 10 billion nucleotides per sample. Of the total reads, between 74.8 and 80.3% could be mapped and 77.4 to 81.7% of the transcripts were found in the H. vulgare unigene database (unigene-mapped). The unmapped wild barley reads for all treatments and replicates were assembled de novo and the resulting contigs were used as a new reference genome. This resultedin94.3 to 95.3%oftheunmapped reads mapping to the new reference. The number of differentially expressed transcripts was 9277, 3861 of which were uni gene-mapped. The annotated unigene- and de novo-mapped transcripts (5100) were utilized to generate expression clusters across time of salt stress treatment. Two-dimensional hierarchical clustering classified differential expression profiles into nine expression clusters, four of which were selected for further analysis. Differentially expressed transcripts were assigned to the main functional categories. The most important groups were ‘response to external stimulus’ and ‘electron-carrier activity’. Highly expressed transcripts are involved in several biological processes, including electron transport and exchanger mechanisms, flavonoid biosynthesis, reactive oxygen species (ROS) scavenging, ethylene production, signaling network and protein refolding. The comparisons demonstrated that mRNA-Seq is an efficient method for the analysis of differentially expressed genes and biological processes under salt stress. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electron%20transport" title="electron transport">electron transport</a>, <a href="https://publications.waset.org/abstracts/search?q=flavonoid%20biosynthesis" title=" flavonoid biosynthesis"> flavonoid biosynthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=reactive%20oxygen%20species" title=" reactive oxygen species"> reactive oxygen species</a>, <a href="https://publications.waset.org/abstracts/search?q=rnaseq" title=" rnaseq"> rnaseq</a> </p> <a href="https://publications.waset.org/abstracts/42511/rna-seq-analysis-of-the-wild-barley-h-spontaneum-leaf-transcriptome-under-salt-stress" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42511.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">392</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">1564</span> The Current Status of Integrating Information and Communication Technology in Teaching at Sultan Qaboos University</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abdelrahman">Ahmed Abdelrahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abdelraheem"> Ahmed Abdelraheem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are many essential factors affecting the integration of information and communication technology (ICT) into teaching and learning, including technology infrastructure, institutional support, professional development, and faculty members’ beliefs regarding ICT integration. The present research project investigated the current status of integrating ICT into teaching and learning at Sultan Qaboos University (SQU). A sample of 220 faculty members from six different colleges and four administrators from the Center of Educational Technology (CET) and the Center for Information Systems (CIS) at SQU in Oman were chosen, and quantitative, qualitative design using a semi-structured questionnaire, interviews and checklists were employed. The findings show that SQU had a high availability of ICT infrastructure in terms of hardware, software, and support services, as well as adequate computer labs for educational purposes. However, the results also indicated that, although SQU provided a series of professional development workshops related to using ICT in teaching, few faculty members were interested. Furthermore, the finding indicated that the degree of ICT integration into teaching at SQU was at a medium level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=information%20and%20communication%20technology" title="information and communication technology">information and communication technology</a>, <a href="https://publications.waset.org/abstracts/search?q=integration" title=" integration"> integration</a>, <a href="https://publications.waset.org/abstracts/search?q=professional%20development" title=" professional development"> professional development</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching" title=" teaching"> teaching</a> </p> <a href="https://publications.waset.org/abstracts/117012/the-current-status-of-integrating-information-and-communication-technology-in-teaching-at-sultan-qaboos-university" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117012.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">165</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">1563</span> A Coordinate-Based Heuristic Route Search Algorithm for Delivery Truck Routing Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Tarek">Ahmed Tarek</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Alveed"> Ahmed Alveed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Vehicle routing problem is a well-known re-search avenue in computing. Modern vehicle routing is more focused with the GPS-based coordinate system, as the state-of-the-art vehicle, and trucking systems are equipped with digital navigation. In this paper, a new two dimensional coordinate-based algorithm for addressing the vehicle routing problem for a supply chain network is proposed and explored, and the algorithm is compared with other available, and recently devised heuristics. For the algorithms discussed, which includes the pro-posed coordinate-based search heuristic as well, the advantages and the disadvantages associated with the heuristics are explored. The proposed algorithm is studied from the stand point of a small supermarket chain delivery network that supplies to its stores in four different states around the East Coast area, and is trying to optimize its trucking delivery cost. Minimizing the delivery cost for the supply network of a supermarket chain is important to ensure its business success. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coordinate-based%20optimal%20routing" title="coordinate-based optimal routing">coordinate-based optimal routing</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamiltonian%20Circuit" title=" Hamiltonian Circuit"> Hamiltonian Circuit</a>, <a href="https://publications.waset.org/abstracts/search?q=heuristic%20algorithm" title=" heuristic algorithm"> heuristic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=traveling%20salesman%20problem" title=" traveling salesman problem"> traveling salesman problem</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle%20routing%20problem" title=" vehicle routing problem"> vehicle routing problem</a> </p> <a href="https://publications.waset.org/abstracts/136218/a-coordinate-based-heuristic-route-search-algorithm-for-delivery-truck-routing-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136218.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">147</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">1562</span> Prevalence of Cognitive Decline in Major Depressive Illness </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=U.%20B.%20Zubair">U. B. Zubair</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Kiyani"> A. Kiyani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Depressive illness predispose individuals to a lot of physical and mental health issues. Anxiety and substance use disorders have been studied widely as comorbidity. Biological symptoms also now considered part of the depressive spectrum. Cognitive abilities also decline or get affected and need to be looked into in detail in depressed patients. Objective: To determine the prevalence of cognitive decline among patients with major depressive illness and analyze the associated socio-demographic factors. Methods: 190 patients of major depressive illness were included in our study to determine the presence of cognitive decline among them. Depression was diagnosed by a consultant psychiatrist by using the ICD-10 criteria for major depressive disorder. British Columbia Cognitive Complaints Inventory (BC-CCI) was the psychometric tool used to determine the cognitive decline. Sociodemographic profile was recorded and the relationship of various factors with cognitive decline was also ascertained. Findings: 70% of the patients suffering from depression included in this study showed the presence of some degree of cognitive decline, while 30% did not show any evidence of cognitive decline when screened through BCCCI. Statistical testing revealed that the female gender was the only socio-demographic parameter linked significantly with the presence of cognitive decline. Conclusion: Decline in cognitive abilities was found in a significant number of patients suffering from major depression in our sample population. Screening for this parameter f mental function should be done in depression clinics to pick it early. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=depression" title="depression">depression</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20decline" title=" cognitive decline"> cognitive decline</a>, <a href="https://publications.waset.org/abstracts/search?q=prevalence" title=" prevalence"> prevalence</a>, <a href="https://publications.waset.org/abstracts/search?q=socio-demographic%20factors" title=" socio-demographic factors"> socio-demographic factors</a> </p> <a href="https://publications.waset.org/abstracts/117072/prevalence-of-cognitive-decline-in-major-depressive-illness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117072.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">144</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">1561</span> Clinical and Molecular Characterization of Mycoplasmosis in Sheep in Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Walid%20Mousa">Walid Mousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Nayel"> Mohamed Nayel</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Zaghawa"> Ahmed Zaghawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Akram%20Salama"> Akram Salama</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20El-Sify"> Ahmed El-Sify</a>, <a href="https://publications.waset.org/abstracts/search?q=Hesham%20Rashad"> Hesham Rashad</a>, <a href="https://publications.waset.org/abstracts/search?q=Dina%20El-Shafey"> Dina El-Shafey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mycoplasmosis in small ruminants constitutes a serious contagious problem in smallholders causing severe economic losses worldwide. This study was conducted to determine the clinical, Minimum Inhibitory Concentration (MIC) and molecular characterization of Mycoplasma species associated in sheep breeding herds in Menoufiya governorate, Egypt. Out of the examination of 400 sheep, 104 (26%) showed respiratory manifestations, nasal discharges, cough and conjunctivitis with systemic body reaction. Meanwhile, out of these examined sheep, only 56 (14%) were positive for mycoplasma isolation onto PPLO(Pleuropneumonia-like organisms) specific medium. The MIC for evaluating the efficacy of sensitivity of Mycoplasma isolates against different antibiotics groups revealed that both the Linospectin and Tylosin with 2ug, 0.25ug/ml concentration were the most effective antibiotics for Mycoplasma isolates. The application of PCR was the rapid, specific and sensitive molecular approach for detection of M. ovipneumoniae, and M. arginine at 390 and 326 bp, respectively, in all tested isolates. In conclusion, the diagnosis of Mycoplsamosis in sheep is important to achieve effective control measures and minimizing the disease dissemination among sheep herds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MIC" title="MIC">MIC</a>, <a href="https://publications.waset.org/abstracts/search?q=mycoplasmosis" title=" mycoplasmosis"> mycoplasmosis</a>, <a href="https://publications.waset.org/abstracts/search?q=PCR" title=" PCR"> PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=sheep" title=" sheep"> sheep</a> </p> <a href="https://publications.waset.org/abstracts/136307/clinical-and-molecular-characterization-of-mycoplasmosis-in-sheep-in-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136307.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">228</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1560</span> Effects of Dietary E on Semen, Hormonal Profile and Testicular Biometry in Teddy Goat Bucks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Zubair">Muhammad Zubair</a>, <a href="https://publications.waset.org/abstracts/search?q=Maqbool%20Ahmad"> Maqbool Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Al-Hafizah%20Shafia%20Tehseen%20Gul"> Al-Hafizah Shafia Tehseen Gul</a>, <a href="https://publications.waset.org/abstracts/search?q=Shujait%20Ali"> Shujait Ali </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of vitamins has significant effects on the reproductive system of mammals. The present study was conducted to investigate the useful effects of vitamin E on reproductive functions of Teddy bucks. For this purpose, 8 adult Teddy bucks were randomly divided into two treatment groups viz; A (control) and B (vitamin E with dose of 200 mg/kg BW/day). These treatments continued for 12 weeks. Semen quality parameters (volume, motility, sperm morphology and sperm DNA integrity) of experimental bucks of each group was evaluated on weekly basis, while testicular measurements (length, scrotal circumference and weights) were recorded at 0 and 12th week of experiment. Serum concentrations of male sex hormones (testosterone, LH, FSH) and cortisol were recorded fortnightly. Similarly, body weights of bucks were also measured fortnightly until completion of the study. The data were subjected to two-way analysis of variance, followed by Duncan test for multiple mean comparisons. Supplementation of vitamin E improved significantly (P<0.05) the semen quality parameter, body weights, testicular measurements and serum levels of sex hormones. However, there was no effect on serum cortisol. It was concluded from the present study that dietary supplementation of vitamin E has beneficial effects on the semen and hormones in male reproductive system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hormones" title="hormones">hormones</a>, <a href="https://publications.waset.org/abstracts/search?q=semen" title=" semen"> semen</a>, <a href="https://publications.waset.org/abstracts/search?q=teddy%20bucks" title=" teddy bucks"> teddy bucks</a>, <a href="https://publications.waset.org/abstracts/search?q=testicular%20measurements" title=" testicular measurements"> testicular measurements</a> </p> <a href="https://publications.waset.org/abstracts/54209/effects-of-dietary-e-on-semen-hormonal-profile-and-testicular-biometry-in-teddy-goat-bucks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54209.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">293</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">1559</span> The Effect of Jet Grouting on the Behavior of Strip Footing Adjacent to Slope Crest</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20El-Tuhami">Ahmed M. El-Tuhami</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20A.%20Mohamed"> Ahmed A. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studies the behavior of strip footing adjacent to slope crest and the effect of jet grouting under the footing. This problem is investigated numerically in the present study. Two dimensional plane strain program PLAXIS is used in this study. 15 nodes triangular element is used to idealize soil with hardening soil model. Five nodes isoperimetric beam element is used to idealize stripe footing. Interface element is used to represent the contact between beam element and soil. Two parameters were studied, the first is the foundation depth and the second is the Stripe footing distance from the slope crest. Settlement and horizontal displacement of strip footing were obtained and studied from the analyzed finite element model results. The reduction influence of jet grouting on footing displacement were studied and investigated. The results indicate that the inclusion of jet grouting under strip footing adjacent to slope crest has significant effect in improving the response of the strip footing and the slope. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strip%20footing" title="strip footing">strip footing</a>, <a href="https://publications.waset.org/abstracts/search?q=jet%20grouting" title=" jet grouting"> jet grouting</a>, <a href="https://publications.waset.org/abstracts/search?q=slope" title=" slope"> slope</a>, <a href="https://publications.waset.org/abstracts/search?q=PLAXIS" title=" PLAXIS"> PLAXIS</a>, <a href="https://publications.waset.org/abstracts/search?q=relative%20distance" title=" relative distance"> relative distance</a> </p> <a href="https://publications.waset.org/abstracts/6092/the-effect-of-jet-grouting-on-the-behavior-of-strip-footing-adjacent-to-slope-crest" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6092.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">475</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">1558</span> Low Back Pain among Nurses in Penang Public Hospitals: A Study on Prevalence and Factors Associated</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Izani%20Uzair%20Zubair">Izani Uzair Zubair</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Ismail%20Ibrahim"> Mohd Ismail Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Nazri%20Shafei"> Mohd Nazri Shafei</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Merican%20Omar%20Naina%20Merican"> Hassan Merican Omar Naina Merican</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Sabri%20Othman"> Mohamad Sabri Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Izmi%20Ahmad%20Ibrahim"> Mohd Izmi Ahmad Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasilah%20Ramli"> Rasilah Ramli</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajpal%20Singh%20Karam%20Singh"> Rajpal Singh Karam Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nurses experience a higher prevalence of low back pain (LBP) and musculoskeletal complaints as compared to other hospital workers. Due to no proper policy related to LBP, the job has exposed them to the problem. Thus, the current study aims to look at the intensity of the problem and factors associated with development of LBP. Method and Tools: A cross sectional study was carried out among 1292 nurses from six public hospitals in Penang. They were randomly selected and those who were pregnant and have been diagnosed to have LBP were excluded. A Malay validated BACK Questionnaire was used. The associated factors were determined by using multiple logistic regression from SPSS version 20.0. Result: Most of the respondents were at mean age 30 years old and had mean working experience 86 months. The prevalence of LBP was identified as 76% (95% CI 74, 82). Factors that were associated with LBP among nurses include lifting a heavy object (OR2.626 (95% CI 1.978, 3.486) p =0.001 and the estimation weight of the lifted object (OR1.443 (95% CI 1.056, 1.970) p =0.021. Conclusion: Nurses who practice lifting heavy object and weight of the object lifted give a significant contribution to the development of LBP. The prevalence of the problem is significantly high. Thus, a proper no weight lifting policy should be considered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20back%20pain" title="low back pain">low back pain</a>, <a href="https://publications.waset.org/abstracts/search?q=nurses" title=" nurses"> nurses</a>, <a href="https://publications.waset.org/abstracts/search?q=Penang%20public%20hospital" title=" Penang public hospital"> Penang public hospital</a>, <a href="https://publications.waset.org/abstracts/search?q=Penang" title=" Penang"> Penang</a> </p> <a href="https://publications.waset.org/abstracts/64098/low-back-pain-among-nurses-in-penang-public-hospitals-a-study-on-prevalence-and-factors-associated" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64098.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">487</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">1557</span> N₂O₂ Salphen-Like Ligand and Its Pd(II), Ag(I) and Cu(II) Complexes as Potentially Anticancer Agents: Design, Synthesis, Antimicrobial, CT-DNA Binding and Molecular Docking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laila%20H.%20Abdel-Rahman">Laila H. Abdel-Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Shaker%20S.%20Adam"> Mohamed Shaker S. Adam</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Abu-Dief"> Ahmed M. Abu-Dief</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanan%20El-Sayed%20Ahmed"> Hanan El-Sayed Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this investigation, Cu(II), Pd(II) and Ag(I) complexes with the tetra-dentate DSPH Schiff base ligand were synthesized. The DSPH Schiff base and its complexes were characterized by using different physicochemical and spectral analysis. The results revealed that the metal ions coordinated with DSPH ligand through azomethine nitrogen and phenolic oxygen. Cu(II), Pd(II) and Ag(I) complexes are present in a 1:1 molar ratio. Pd(II) and Ag(I) complexes have square planar geometries while, Cu(II) has a distorted octahedral (Oh) geometry. All investigated complexes are nonelectrolytes. The investigated compounds were tested against different strains of bacteria and fungi. Both prepared compounds showed good results of inhibition against the selected pathogenic microorganism. Moreover, the interaction of investigated complexes with CT-DNA was studied via various techniques and the binding modes are mainly intercalative and grooving modes. Operating Environment MOE package was used to do docking studies for the investigated complexes to explore the potential binding mode and energy. Furthermore, the growth inhibitory effect of the investigated compounds was examined on some cancer cells lines. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tetradentate" title="tetradentate">tetradentate</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=CT-DNA%20interaction" title=" CT-DNA interaction"> CT-DNA interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=docking" title=" docking"> docking</a>, <a href="https://publications.waset.org/abstracts/search?q=anticancer" title=" anticancer"> anticancer</a> </p> <a href="https://publications.waset.org/abstracts/95277/n2o2-salphen-like-ligand-and-its-pdii-agi-and-cuii-complexes-as-potentially-anticancer-agents-design-synthesis-antimicrobial-ct-dna-binding-and-molecular-docking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95277.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">244</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">1556</span> Surface Quality Improvement of Abrasive Waterjet Cutting for Spacecraft Structure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarek%20M.%20Ahmed">Tarek M. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20S.%20El%20Mesalamy"> Ahmed S. El Mesalamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Amro%20M.%20Youssef"> Amro M. Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Tawfik%20T.%20El%20Midany"> Tawfik T. El Midany</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Abrasive waterjet (AWJ) machining is considered as one of the most powerful cutting processes. It can be used for cutting heat sensitive, hard and reflective materials. Aluminum 2024 is a high-strength alloy which is widely used in aerospace and aviation industries. This paper aims to improve aluminum alloy and to investigate the effect of AWJ control parameters on surface geometry quality. Design of experiments (DoE) is used for establishing an experimental matrix. Statistical modeling is used to present a relation between the cutting parameters (pressure, speed, and distance between the nozzle and cut surface) and responses (taper angle and surface roughness). The results revealed a tangible improvement in productivity by using AWJ processing. The taper kerf angle can be improved by decreasing standoff distance and speed and increasing water pressure. While decreasing (cutting speed, pressure and distance between the nozzle and cut surface) improve the surface roughness in the operating window of cutting parameters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abrasive%20waterjet%20machining" title="abrasive waterjet machining">abrasive waterjet machining</a>, <a href="https://publications.waset.org/abstracts/search?q=machining%20of%20aluminum%20alloy" title=" machining of aluminum alloy"> machining of aluminum alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=non-traditional%20cutting" title=" non-traditional cutting"> non-traditional cutting</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20modeling" title=" statistical modeling"> statistical modeling</a> </p> <a href="https://publications.waset.org/abstracts/108629/surface-quality-improvement-of-abrasive-waterjet-cutting-for-spacecraft-structure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108629.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">250</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">1555</span> Mixed Convection Enhancement in a 3D Lid-Driven Cavity Containing a Rotating Cylinder by Applying an Artificial Roughness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Khaleel%20Kareem">Ali Khaleel Kareem</a>, <a href="https://publications.waset.org/abstracts/search?q=Shian%20Gao"> Shian Gao</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Qasim%20Ahmed"> Ahmed Qasim Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A numerical investigation of unsteady mixed convection heat transfer in a 3D moving top wall enclosure, which has a central rotating cylinder and uses either artificial roughness on the bottom hot plate or smooth bottom hot plate to study the heat transfer enhancement, is completed for fixed circular cylinder, and anticlockwise and clockwise rotational speeds, -1 ≤ Ω ≤ 1, at Reynolds number of 5000. The top lid-driven wall was cooled, while the other remaining walls that completed obstructed cubic were kept insulated and motionless. A standard k-ε model of Unsteady Reynolds-Averaged Navier-Stokes (URANS) method is involved to deal with turbulent flow. It has been clearly noted that artificial roughness can strongly control the thermal fields and fluid flow patterns. Ultimately, the heat transfer rate has been dramatically increased by involving artificial roughness on the heated bottom wall in the presence of rotating cylinder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20roughness" title="artificial roughness">artificial roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=lid-driven%20cavity" title=" lid-driven cavity"> lid-driven cavity</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20convection%20heat%20transfer" title=" mixed convection heat transfer"> mixed convection heat transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=rotating%20cylinder" title=" rotating cylinder"> rotating cylinder</a>, <a href="https://publications.waset.org/abstracts/search?q=URANS%20method" title=" URANS method"> URANS method</a> </p> <a href="https://publications.waset.org/abstracts/91416/mixed-convection-enhancement-in-a-3d-lid-driven-cavity-containing-a-rotating-cylinder-by-applying-an-artificial-roughness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91416.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">198</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">1554</span> Flood Monitoring in the Vietnamese Mekong Delta Using Sentinel-1 SAR with Global Flood Mapper</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20S.%20Afifi">Ahmed S. Afifi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Magdy"> Ahmed Magdy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Satellite monitoring is an essential tool to study, understand, and map large-scale environmental changes that affect humans, climate, and biodiversity. The Sentinel-1 Synthetic Aperture Radar (SAR) instrument provides a high collection of data in all-weather, short revisit time, and high spatial resolution that can be used effectively in flood management. Floods occur when an overflow of water submerges dry land that requires to be distinguished from flooded areas. In this study, we use global flood mapper (GFM), a new google earth engine application that allows users to quickly map floods using Sentinel-1 SAR. The GFM enables the users to adjust manually the flood map parameters, e.g., the threshold for Z-value for VV and VH bands and the elevation and slope mask threshold. The composite R:G:B image results by coupling the bands of Sentinel-1 (VH:VV:VH) reduces false classification to a large extent compared to using one separate band (e.g., VH polarization band). The flood mapping algorithm in the GFM and the Otsu thresholding are compared with Sentinel-2 optical data. And the results show that the GFM algorithm can overcome the misclassification of a flooded area in An Giang, Vietnam. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SAR%20backscattering" title="SAR backscattering">SAR backscattering</a>, <a href="https://publications.waset.org/abstracts/search?q=Sentinel-1" title=" Sentinel-1"> Sentinel-1</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20mapping" title=" flood mapping"> flood mapping</a>, <a href="https://publications.waset.org/abstracts/search?q=disaster" title=" disaster"> disaster</a> </p> <a href="https://publications.waset.org/abstracts/160125/flood-monitoring-in-the-vietnamese-mekong-delta-using-sentinel-1-sar-with-global-flood-mapper" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160125.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">106</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">1553</span> Monitoring and Evaluation of the Reverse Osmosis Reject Wastewater from the Sulaibiya Wastewater Treatment Plant in Kuwait</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mishari%20Khajah">Mishari Khajah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd.%20Elmuntasir%20Ahmed"> Mohd. Elmuntasir Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Al-Matouq"> Abdullah Al-Matouq</a>, <a href="https://publications.waset.org/abstracts/search?q=Farah%20Al-Ajeel"> Farah Al-Ajeel</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemah%20Dashti"> Fatemah Dashti</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Shishter"> Ahmed Shishter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The overall aim of this study was to monitor and evaluate the effluent quality of a reverse osmosis (RO) reject wastewater from the biggest wastewater treatment plant in the world that is using RO and ultrafiltration membranes in their processes to reclaim water for indirect potable water reuse from municipal wastewaters. The RO reject wastewater or brine included various contaminants that could harm the human health and the environment such as trace organics, organic matters, heavy metals, nutrients and pathogens. Unfortunately, there are no legally binding regulatory guidelines for brine management in Kuwait as many countries around the world. This study monitors and evaluate the RO reject wastewater (brine) generated from the Sulaibiya Wastewater Treatment Plant. Samples were collected and analyzed about 37 parameters for one-year period, twice a month, and compare it to Kuwait Environment Public Authority, KEPA. Results showed that the heavy metals parameters were above KEPA standards, which needs to be treated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=domestic%20wastewater" title="domestic wastewater">domestic wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a>, <a href="https://publications.waset.org/abstracts/search?q=potable%20water" title=" potable water"> potable water</a>, <a href="https://publications.waset.org/abstracts/search?q=RO%20reject%20wastewater" title=" RO reject wastewater"> RO reject wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=Sulaibiya%20wastewater%20treatment%20plant" title=" Sulaibiya wastewater treatment plant"> Sulaibiya wastewater treatment plant</a> </p> <a href="https://publications.waset.org/abstracts/162907/monitoring-and-evaluation-of-the-reverse-osmosis-reject-wastewater-from-the-sulaibiya-wastewater-treatment-plant-in-kuwait" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162907.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">93</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">1552</span> The Impact of Corporate Social Responsibilities on Employees’ Green Behavior: The Moderating Role of Organizational Trust</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zubair%20Ahmad">Zubair Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Drawing from social exchange theory, this study proposes to explore the association between corporate social responsibility as external CSR and Internal CSR with employees' green behavior. Furthermore, the author also analyzed the moderating role of organizational trust among the aforementioned associations. The target respondents for this descriptive study were employees working hotel industry of Pakistan. An online questionnaire link was sent to hotel managers and is requested to share the questionnaire link with employees. The respondents for this study were selected through the convenience sampling technique. The collected data from participants is analyzed through AMOS and SPSS. The findings show that both internal corporate social responsibility and external corporate social responsibility exert a positive and significant influence on employees' green behavior. Thus it is concluded that the key driver behind the green behavior of hotel employees is the social setting of their workplace. Findings also revealed that organizational trust plays a positive role in enhancing the green behavior of hotel employees. This study extends the literature on corporate social responsibility by exploring the boundary role of organizational trust between internal and external corporate social responsibility and employees' green behavior in hotels. Moreover, CSR activities should be performed for attaining a competitive edge and maintaining a balance between progress and sustainability of the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=corporate%20social%20responsibility" title="corporate social responsibility">corporate social responsibility</a>, <a href="https://publications.waset.org/abstracts/search?q=internal%20corporate%20social%20responsibility" title=" internal corporate social responsibility"> internal corporate social responsibility</a>, <a href="https://publications.waset.org/abstracts/search?q=external%20corporate%20social%20responsibility" title=" external corporate social responsibility"> external corporate social responsibility</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20exchange%20theory" title=" social exchange theory"> social exchange theory</a>, <a href="https://publications.waset.org/abstracts/search?q=employee%20green%20behavior" title=" employee green behavior"> employee green behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=organizational%20trust" title=" organizational trust"> organizational trust</a> </p> <a href="https://publications.waset.org/abstracts/153690/the-impact-of-corporate-social-responsibilities-on-employees-green-behavior-the-moderating-role-of-organizational-trust" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153690.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">107</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">1551</span> Securitizing Terrorism: A Critical Appraisal of Pakistan’s Counter-Terrorism Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bilal%20Zubair">Bilal Zubair</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a constantly challenging internal security environment, Pakistan is making ways to improvise and respond to the new variations in the pervasive phenomenon of terrorism. The state’s endeavors towards securitizing terrorism as an existential threat are both extensive and intensive which have systematically incorporated both military and non-military means. Since 2007, the military has been conducting intermittent operations and by 2014 has successfully neutralized the terrorist ability to target vital security installations and security personal. The terrorists have responded by targeting communities which are soft targets and extremely vulnerable to organized assaults. Within this context, the study aims to explain the emerging trends of terrorism in Pakistan, which multi-layered and complex developments are having far-reaching implications for state and society. With a view to explore the underlining reasons, present trends and ensuing ramifications of the emerging trends in terrorism, this study would examine the following: First, the historical processes and development of Terrorism in Pakistan; secondly the processes of securitization which include political consensus, legal frameworks and military operations against the terrorist groups; thirdly , the socio-cultural dimensions and geopolitical influences on the transforming nature of sectarian terrorism. The study will also highlight the grey areas and weak links in the ongoing securitization process. Finally, the study will thoroughly explore the societal insecurity which is manifested in internal displacements, identity crisis and weakening the socio-political fabric of the state. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=counter-terrorism" title="counter-terrorism">counter-terrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism" title=" terrorism"> terrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=sectarianism" title=" sectarianism"> sectarianism</a>, <a href="https://publications.waset.org/abstracts/search?q=securitizing" title=" securitizing"> securitizing</a> </p> <a href="https://publications.waset.org/abstracts/58279/securitizing-terrorism-a-critical-appraisal-of-pakistans-counter-terrorism-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58279.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">298</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">1550</span> Fish Scales as a Nonlethal Screening Tools for Assessing the Effects of Surface Water Contaminants in Cyprinus Carpio</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahid%20Mahboob">Shahid Mahboob</a>, <a href="https://publications.waset.org/abstracts/search?q=Hafiz%20Muhammad%20Ashraf"> Hafiz Muhammad Ashraf</a>, <a href="https://publications.waset.org/abstracts/search?q=Salma%20Sultana"> Salma Sultana</a>, <a href="https://publications.waset.org/abstracts/search?q=Tayyaba%20Sultana"> Tayyaba Sultana</a>, <a href="https://publications.waset.org/abstracts/search?q=Khalid%20Al-Ghanim"> Khalid Al-Ghanim</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahid%20Al-Misned"> Fahid Al-Misned</a>, <a href="https://publications.waset.org/abstracts/search?q=Zubair%20Ahmedd"> Zubair Ahmedd</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There is an increasing need for an effective tool to estimate the risks derived from the large number of pollutants released to the environment by human activities. Typical screening procedures are highly invasive or lethal to the fish. Recent studies show that fish scales biochemically respond to a range of contaminants, including toxic metals, organic compounds, and endocrine disruptors. The present study evaluated the effects of the surface water contaminants on Cyprinus carpio in the Ravi River by comparing DNA extracted non-lethally from their scales to DNA extracted from the scales of fish collected from a controlled fish farm. A single, random sampling was conducted. Fish were broadly categorised into three weight categories (W1, W2 and W3). The experimental samples in the W1, W2 and W3 categories had an average DNA concentration (µg/µl) that was lower than the control samples. All control samples had a single DNA band; whereas the experimental samples in W1 fish had 1 to 2 bands, the experimental samples in W2 fish had two bands and the experimental samples in W3 fish had fragmentation in the form of three bands. These bands exhibit the effects of pollution on fish in the Ravi River. On the basis findings of this study, we propose that fish scales can be successfully employed as a new non-lethal tool for the evaluation of the effect of surface water contaminants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fish%20scales" title="fish scales">fish scales</a>, <a href="https://publications.waset.org/abstracts/search?q=Cyprinus%20carpio" title=" Cyprinus carpio"> Cyprinus carpio</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=non-invasive" title=" non-invasive"> non-invasive</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20fragmentation" title=" DNA fragmentation"> DNA fragmentation</a> </p> <a href="https://publications.waset.org/abstracts/28624/fish-scales-as-a-nonlethal-screening-tools-for-assessing-the-effects-of-surface-water-contaminants-in-cyprinus-carpio" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28624.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">1549</span> Quantitative and Qualitative Analysis: Predicting and Improving Students’ Summative Assessment Math Scores at the National College for Nuclear</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelmenen%20Abobghala">Abdelmenen Abobghala</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmud%20Ahmed"> Mahmud Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Alwaheshi"> Mohamed Alwaheshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Anwar%20Fanan"> Anwar Fanan</a>, <a href="https://publications.waset.org/abstracts/search?q=Meftah%20Mehdawi"> Meftah Mehdawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Abuhatira"> Ahmed Abuhatira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to predict academic performance and identify weak points in students to aid teachers in understanding their learning needs. Both quantitative and qualitative methods are used to identify difficult test items and the factors causing difficulties. The study uses interventions like focus group discussions, interviews, and action plans developed by the students themselves. The research questions explore the predictability of final grades based on mock exams and assignments, the student's response to action plans, and the impact on learning performance. Ethical considerations are followed, respecting student privacy and maintaining anonymity. The research aims to enhance student engagement, motivation, and responsibility for learning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=prediction" title="prediction">prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=academic%20performance" title=" academic performance"> academic performance</a>, <a href="https://publications.waset.org/abstracts/search?q=weak%20points" title=" weak points"> weak points</a>, <a href="https://publications.waset.org/abstracts/search?q=understanding" title=" understanding"> understanding</a>, <a href="https://publications.waset.org/abstracts/search?q=learning" title=" learning"> learning</a>, <a href="https://publications.waset.org/abstracts/search?q=quantitative%20methods" title=" quantitative methods"> quantitative methods</a>, <a href="https://publications.waset.org/abstracts/search?q=qualitative%20methods" title=" qualitative methods"> qualitative methods</a>, <a href="https://publications.waset.org/abstracts/search?q=formative%20assessments" title=" formative assessments"> formative assessments</a>, <a href="https://publications.waset.org/abstracts/search?q=feedback" title=" feedback"> feedback</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20responses" title=" emotional responses"> emotional responses</a>, <a href="https://publications.waset.org/abstracts/search?q=intervention" title=" intervention"> intervention</a>, <a href="https://publications.waset.org/abstracts/search?q=focus%20group%20discussion" title=" focus group discussion"> focus group discussion</a>, <a href="https://publications.waset.org/abstracts/search?q=interview" title=" interview"> interview</a>, <a href="https://publications.waset.org/abstracts/search?q=action%20plan" title=" action plan"> action plan</a>, <a href="https://publications.waset.org/abstracts/search?q=student%20engagement" title=" student engagement"> student engagement</a>, <a href="https://publications.waset.org/abstracts/search?q=motivation" title=" motivation"> motivation</a>, <a href="https://publications.waset.org/abstracts/search?q=responsibility" title=" responsibility"> responsibility</a>, <a href="https://publications.waset.org/abstracts/search?q=ethical%20considerations" title=" ethical considerations"> ethical considerations</a> </p> <a href="https://publications.waset.org/abstracts/170331/quantitative-and-qualitative-analysis-predicting-and-improving-students-summative-assessment-math-scores-at-the-national-college-for-nuclear" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170331.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">67</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">1548</span> The Effect of Extremely Low Frequency Magnetic Field on Rats Brain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Omar%20Abdalla">Omar Abdalla</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelfatah%20Ahmed"> Abdelfatah Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Mustafa"> Ahmed Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelazem%20Eldouma"> Abdelazem Eldouma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is evaluating the effect of extremely low frequency magnetic field on Waster rats brain. The number of rats used in this study were 25, which were divided into five groups, each group containing five rats as follows: Group 1: The control group which was not exposed to energized field; Group 2: Rats were exposed to a magnetic field with an intensity of 0.6 mT (2 hours/day); Group 3: Rats were exposed to a magnetic field of 1.2 mT (2 hours/day); Group4: Rats were exposed to a magnetic field of 1.8 mT (2 hours/day); Group 5: Rats were exposed to a magnetic field of 2.4 mT (2 hours/day) and all groups were exposed for seven days, by designing a maze and calculating the time average for arriving to the decoy at special conditions. We found the time average before exposure for the all groups was G2=330 s, G3=172 s, G4=500 s and G5=174 s, respectively. We exposed all groups to ELF-MF and measured the time and we found: G2=465 s, G3=388 s, G4=501 s, and G5=442 s. It was observed that the time average increased directly with field strength. Histological samples of frontal lop of brain for all groups were taken and we found lesion, atrophy, empty vacuoles and disorder choroid plexus at frontal lope of brain. And finally we observed the disorder of choroid plexus in histological results and Alzheimer's symptoms increase when the magnetic field increases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nonionizing%20radiation" title="nonionizing radiation">nonionizing radiation</a>, <a href="https://publications.waset.org/abstracts/search?q=biophysics" title=" biophysics"> biophysics</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field" title=" magnetic field"> magnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=shrinkage" title=" shrinkage"> shrinkage</a> </p> <a href="https://publications.waset.org/abstracts/6126/the-effect-of-extremely-low-frequency-magnetic-field-on-rats-brain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6126.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">545</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">1547</span> Growth Response of the Fry of Major and Chinese Carp to the Dietary Ingredients in Polyculture System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anjum-Zubair">Anjum-Zubair</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad"> Muhammad</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Shoaib%20Alam"> Muhammad Shoaib Alam</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Samee%20Mubarik"> Muhammad Samee Mubarik</a>, <a href="https://publications.waset.org/abstracts/search?q=Iftikhar%20Ahmad"> Iftikhar Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of present research was to evaluate the effect of dietary protein (soybean) formulated feed on the growth performance of carp fish seed (Rohu, Mori, Grass, and Gulfam) in ponds under polyculture system. Keeping in view the protein requirements of these four carps, they were fed with formulated feed contains 30% of crude protein. The fingerlings were fed once on daily basis at 5% of their wet body weight. A 90 days experiment was conducted in two cemented ponds situated at Fish Seed Hatchery and Research Centre, Rawal Town, Islamabad, Pakistan. Pond1 contain major carps i.e. Rohu and Mori while pond 2 was stocked with Chinese carps i.e. Grass carp and Gulfam. Random sampling of five individuals of each species was done fortnightly to measure the body weight and total body length. Maximum growth was observed in fingerling of Grass carp followed by Mori, Rohu and Gulfam. Total fish production was recorded as Grass 623.45 gm followed by Mori 260.3 gm, Rohu 243.08 gm and Gulfam 181.165 gm respectively. Significantly results were obtained among these four fish species when the corresponding data was subjected to statistical analysis by using two sample t-test. The survival rate was 100%. Study shows that soybean as plant based protein can be easily used as substitute to fish meal without any adverse effect on fish health and fish production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carps" title="carps">carps</a>, <a href="https://publications.waset.org/abstracts/search?q=fry%20growth" title=" fry growth"> fry growth</a>, <a href="https://publications.waset.org/abstracts/search?q=poly%20culture" title=" poly culture"> poly culture</a>, <a href="https://publications.waset.org/abstracts/search?q=soybean%20meal" title=" soybean meal"> soybean meal</a> </p> <a href="https://publications.waset.org/abstracts/32277/growth-response-of-the-fry-of-major-and-chinese-carp-to-the-dietary-ingredients-in-polyculture-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32277.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">500</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">1546</span> Antimicrobial Activity of Seed Oil of Garlic and Moringa oleifera against Some Food-Borne Microorganisms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mansur%20Abdulrasheed">Mansur Abdulrasheed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20I.%20Hussein"> Ibrahim I. Hussein</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Mubarak"> Ahmed M. Mubarak</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20F.%20Umar"> Ahmed F. Umar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was aimed at evaluating the phytochemical constituents and the antimicrobial activity of the seed oil of Moringa oleifera and garlic against some selected food-borne microorganisms (Staphylococcus aureus, Escherichia coli, Salmonella spp and Pseudomonas aeruginosa) using disc diffusion method. The results of the phytochemical screening revealed differences in the presence of the phytochemicals among the extracts. Saponins were detected in both Moringa oleifera and garlic seed oil, while alkaloid and tannins were observed in seed oil of garlic. Furthermore, the antibacterial assay results show that the seed oil of Moringa oleifera was inactive against all the tested organisms, even at 100 % concentration. In contrast, garlic oil was found to be active against all the tested organisms. The highest inhibition was observed in E. coli (12 mm) at 100 % concentration, while at 20 % concentration, Salmonella Sp and P. aeruginosa showed the least inhibiton (6 mm). The antimicrobial activity of the seed oil of garlic may be attributed to its phytochemicals components which were not detected in the seed oil of Moringa oleifera. The results of this study have shown the potentials of the seed oil of garlic as an antimicrobial agent more especially in foods, by inhibiting the growth of the test organisms, which range from food-borne pathogens to food spoilage organisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=garlic" title=" garlic"> garlic</a>, <a href="https://publications.waset.org/abstracts/search?q=Moringa%20oleifera" title=" Moringa oleifera"> Moringa oleifera</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20borne%20pathogens" title=" food borne pathogens"> food borne pathogens</a> </p> <a href="https://publications.waset.org/abstracts/43278/antimicrobial-activity-of-seed-oil-of-garlic-and-moringa-oleifera-against-some-food-borne-microorganisms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43278.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">506</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">1545</span> Comparison of Antimicrobial Activity of Seed Oil of Garlic and Moringa oleifera against Some Food-Borne Microorganisms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mansur%20Abdulrasheed">Mansur Abdulrasheed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20I.%20Hussein"> Ibrahim I. Hussein</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Mubarak"> Ahmed M. Mubarak</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20F.%20Umar"> Ahmed F. Umar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was aimed at evaluating the phytochemical constituents and the antimicrobial activity of the seed oil of Moringa oleifera and garlic against some selected food-borne microorganisms (Staphylococcus aureus, Escherichia coli, Salmonella spp and Pseudomonas aeruginosa) using disc diffusion method. The results of the phytochemical screening revealed differences in the presence of the phytochemicals among the extracts. Saponins were detected in both Moringa oleifera and garlic seed oil, while alkaloid and tannins were observed in seed oil of garlic. Furthermore, the antibacterial assay results show that the seed oil of Moringa oleifera was inactive against all the tested organisms, even at 100 % concentration. In contrast, garlic oil was found to be active against all the tested organisms. The highest inhibition was observed in E. coli (12 mm)at 100 % concentration, while at 20 % concentration, Salmonella Sp and P. aeruginosa showed the least inhibit on (6 mm). The antimicrobial activity of the seed oil of garlic may be attributed to its phytochemicals components which were not detected in the seed oil of Moringa oleifera. The results of this study have shown the potentials of the seed oil of garlic as an antimicrobial agent more especially in foods, by inhibiting the growth of the test organisms, which range from food-borne pathogens to food spoilage organisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=garlic" title=" garlic"> garlic</a>, <a href="https://publications.waset.org/abstracts/search?q=Moringa%20oleifera" title=" Moringa oleifera"> Moringa oleifera</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20borne%20pathogens" title=" food borne pathogens"> food borne pathogens</a> </p> <a href="https://publications.waset.org/abstracts/46577/comparison-of-antimicrobial-activity-of-seed-oil-of-garlic-and-moringa-oleifera-against-some-food-borne-microorganisms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46577.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">1544</span> An Experimental Investigation into Fluid Forces on Road Vehicles in Unsteady Flows</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Sumida">M. Sumida</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Morita"> S. Morita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, the effect of unsteady flows acting on road vehicles was experimentally investigated, using an advanced and recently introduced wind tunnel. The aims of this study were to extract the characteristics of fluid forces acting on road vehicles under unsteady wind conditions and obtain new information on drag forces in a practical on-road test. We applied pulsating wind as a representative example of the atmospheric fluctuations that vehicles encounter on the road. That is, we considered the case where the vehicles are moving at constant speed in the air, with large wind oscillations. The experimental tests were performed on the Ahmed-type test model, which is a simplified vehicle model. This model was chosen because of its simplicity and the data accumulated under steady wind conditions. The experiments were carried out with a time-averaged Reynolds number of Re = 4.16x10⁵ and a pulsation period of T = 1.5 s, with amplitude of η = 0.235. Unsteady fluid forces of drag and lift were obtained utilizing a multi-component load cell. It was observed that the unsteady aerodynamic forces differ significantly from those under steady wind conditions. They exhibit a phase shift and an enhanced response to the wind oscillations. Furthermore, their behavior depends on the slant angle of the rear shape of the model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20body" title="Ahmed body">Ahmed body</a>, <a href="https://publications.waset.org/abstracts/search?q=automotive%20aerodynamics" title=" automotive aerodynamics"> automotive aerodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=unsteady%20wind" title=" unsteady wind"> unsteady wind</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20tunnel%20test" title=" wind tunnel test"> wind tunnel test</a> </p> <a href="https://publications.waset.org/abstracts/74663/an-experimental-investigation-into-fluid-forces-on-road-vehicles-in-unsteady-flows" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74663.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">293</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">1543</span> Desalination via Electrodialysis: A Newly Designed Fixed Bed Reactor Powered by Renewable Energy Source </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hend%20Mesbah">Hend Mesbah</a>, <a href="https://publications.waset.org/abstracts/search?q=Yehia%20Youssef"> Yehia Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20%20Hassan"> Ibrahim Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaaban%20Nosier"> Shaaban Nosier</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20El-Shazly"> Ahmed El-Shazly</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Helal"> Ahmed Helal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of drinking water shortage is becoming more crucial nowadays as a result of the increased demand due to the population growth and the rise in the standard living. In recent years, desalination using electrodialysis powered by solar energy (PV-ED) is being widely used to help provide treated water and reduce the scarcity in water supply. In the present study, a water desalination laboratory scale ED cell with a fixed bed circulation system was designed, developed, and tested. The effect of three parameters (namely, cell voltage , flowrate, and salt concentration) on the removal percentage of salt ions was studied. The cell voltage was adjusted at 3 , 4 and 6 V. A flow rate of 5, 10, and 20 ml/s and an initial salt concentration of 2000, 5000, and 7000 ppm were investigated. The maximum salt percentage removal obtained was 52.5% at the lowest initial concentration (2000 ppm) and at the highest cell voltage (6 V). There was no significant effect of the flow rate on the removal percentage. A model of PV module has also been developed to calculate the dimensions of a solar cell based on the amount of energy consumed and it was calculated from the Overall ED cell voltage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=desalination" title="desalination">desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=electrodialysis" title=" electrodialysis"> electrodialysis</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20desalination" title=" solar desalination"> solar desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic%20electrodialysis" title=" photovoltaic electrodialysis"> photovoltaic electrodialysis</a> </p> <a href="https://publications.waset.org/abstracts/123726/desalination-via-electrodialysis-a-newly-designed-fixed-bed-reactor-powered-by-renewable-energy-source" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123726.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">147</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">1542</span> A Next Generation Multi-Scale Modeling Theatre for in silico Oncology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Safee%20Chaudhary">Safee Chaudhary</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahnoor%20Naseer%20Gondal"> Mahnoor Naseer Gondal</a>, <a href="https://publications.waset.org/abstracts/search?q=Hira%20Anees%20Awan"> Hira Anees Awan</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Rehman"> Abdul Rehman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Arif"> Ammar Arif</a>, <a href="https://publications.waset.org/abstracts/search?q=Risham%20Hussain"> Risham Hussain</a>, <a href="https://publications.waset.org/abstracts/search?q=Huma%20Khawar"> Huma Khawar</a>, <a href="https://publications.waset.org/abstracts/search?q=Zainab%20Arshad"> Zainab Arshad</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Faizyab%20Ali%20Chaudhary"> Muhammad Faizyab Ali Chaudhary</a>, <a href="https://publications.waset.org/abstracts/search?q=Waleed%20Ahmed"> Waleed Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Umer%20Sultan"> Muhammad Umer Sultan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bibi%20Amina"> Bibi Amina</a>, <a href="https://publications.waset.org/abstracts/search?q=Salaar%20Khan"> Salaar Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Moaz%20Ahmad"> Muhammad Moaz Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20Shiraz%20Shah"> Osama Shiraz Shah</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadia%20Hameed"> Hadia Hameed</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Farooq%20Ahmad%20Butt"> Muhammad Farooq Ahmad Butt</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Ahmad"> Muhammad Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Sameer%20Ahmed"> Sameer Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Fayyaz%20Ahmed"> Fayyaz Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Omer%20Ishaq"> Omer Ishaq</a>, <a href="https://publications.waset.org/abstracts/search?q=Waqar%20Nabi"> Waqar Nabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Wim%20Vanderbauwhede"> Wim Vanderbauwhede</a>, <a href="https://publications.waset.org/abstracts/search?q=Bilal%20Wajid"> Bilal Wajid</a>, <a href="https://publications.waset.org/abstracts/search?q=Huma%20Shehwana"> Huma Shehwana</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Tariq"> Muhammad Tariq</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Faisal"> Amir Faisal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cancer is a manifestation of multifactorial deregulations in biomolecular pathways. These deregulations arise from the complex multi-scale interplay between cellular and extracellular factors. Such multifactorial aberrations at gene, protein, and extracellular scales need to be investigated systematically towards decoding the underlying mechanisms and orchestrating therapeutic interventions for patient treatment. In this work, we propose ‘TISON’, a next-generation web-based multiscale modeling platform for clinical systems oncology. TISON’s unique modeling abstraction allows a seamless coupling of information from biomolecular networks, cell decision circuits, extra-cellular environments, and tissue geometries. The platform can undertake multiscale sensitivity analysis towards in silico biomarker identification and drug evaluation on cellular phenotypes in user-defined tissue geometries. Furthermore, integration of cancer expression databases such as The Cancer Genome Atlas (TCGA) and Human Proteome Atlas (HPA) facilitates in the development of personalized therapeutics. TISON is the next-evolution of multiscale cancer modeling and simulation platforms and provides a ‘zero-code’ model development, simulation, and analysis environment for application in clinical settings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=systems%20oncology" title="systems oncology">systems oncology</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer%20systems%20biology" title=" cancer systems biology"> cancer systems biology</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer%20therapeutics" title=" cancer therapeutics"> cancer therapeutics</a>, <a href="https://publications.waset.org/abstracts/search?q=personalized%20therapeutics" title=" personalized therapeutics"> personalized therapeutics</a>, <a href="https://publications.waset.org/abstracts/search?q=cancer%20modelling" title=" cancer modelling"> cancer modelling</a> </p> <a href="https://publications.waset.org/abstracts/112569/a-next-generation-multi-scale-modeling-theatre-for-in-silico-oncology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112569.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">222</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">1541</span> Mechanical Responses to Hip Versus Knee Induced Muscle Fatigue in Patellofemoral Pain Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Ahmed%20Ahmed">Eman Ahmed Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghada%20Abdelmoneim%20Mohamed"> Ghada Abdelmoneim Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamada%20Ahmed%20Hamada"> Hamada Ahmed Hamada</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagui%20Sobhi%20Nassif"> Nagui Sobhi Nassif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Impaired skeletal muscle endurance may be an important causal factor in the development of patellofemoral pain syndrome (PFPS). However, there is lack of information regarding the effect of hip versus knee muscle fatigue on isokinetic parameters, and myoelectric activity of hip and knee muscles in these patients. Purpose: The study was conducted to investigate the effect of hip abductors versus knee extensors fatigue protocol on knee proprioception, hip and knee muscle strength and their myoelectric activity in patients with PFPS. Methods: Fifteen female patients with PFPS participated in the study. They were tested randomly under two fatiguing conditions; hip abductors and knee extensors fatigue protocols. Isolated muscle fatigue of two muscles was induced isokinetically on the affected side in a two separate sessions with a rest interval of at least three days. After determining peak torque, patients performed continuous maximal concentric-eccentric contraction of the selected muscle until the torque output dropped below 50% of peak torque value for 3 consecutive repetitions. Knee proprioception, eccentric hip abductors' peak torque, eccentric knee extensors' peak torque, EMG ratio of vastus medialis obliquus (VMO) / vastus lateralis (VL), and EMG activity of gluteus medius (GM) muscle, were recorded before and immediately after each fatigue protocol using the Biodex Isokinetic system and EMG Myosystem. Results: Two-way within subject MANOVA revealed that eccentric knee extensors’ peak torque decreased significantly after hip abductors fatigue protocol compared to pre fatigue condition (p<0.05). On the other hand, there was no statistically significant difference in the eccentric hip abductors’ peak torque after admitting knee extensors fatigue protocol (p > 0.05). Moreover, no significant difference was found in knee proprioception, EMG ratio of VMO/VL, and EMG activity of GM muscle, after either hip or knee fatigue protocol (p>0.05). Conclusion: A hip focused rehabilitation program may be beneficial in improving knee function through correcting faulty kinematics and hence decrease knee loading in patients with PFPS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromyography" title="electromyography">electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20proprioception" title=" knee proprioception"> knee proprioception</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20responses" title=" mechanical responses"> mechanical responses</a>, <a href="https://publications.waset.org/abstracts/search?q=muscle%20fatigue" title=" muscle fatigue"> muscle fatigue</a>, <a href="https://publications.waset.org/abstracts/search?q=patellofemoral%20pain%20syndrome" title=" patellofemoral pain syndrome"> patellofemoral pain syndrome</a> </p> <a href="https://publications.waset.org/abstracts/40822/mechanical-responses-to-hip-versus-knee-induced-muscle-fatigue-in-patellofemoral-pain-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40822.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">311</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">1540</span> Determining the Prevalence and Correlates of Depression among Transgenders of a Developing Country</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Usama%20Bin%20%20Zubair">Usama Bin Zubair</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Azeem"> Muhammad Azeem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Depression has been one of the most commonly diagnosed mental health disorders in Pakistan. A Census conducted by the government of Pakistan in 2017 showed that more than 10000 trans-genders live in Pakistan. HIV, illicit substance use and mental health issues, including depression, have been the main health problems faced by them. Trans-gender population has been suffering from depressive illness more than normal population all over the world. Aim: To assess the prevalence of depression among the transgender population and analyze the relationship of socio-demographic factors with depression. Subjects and Methods: The sample population comprised of one hundred and forty-two transgender people of Rawalpindi and Islamabad. Beck depressive inventory II (BDI-II) was used to record the presence and severity of the depressive symptoms. Depressive symptoms were categorized as mild, moderate and severe. Relationship of the age, smoking, family income, illicit substance use and education were studied with the presence of depressive symptoms among these transgender people of twin cities of Pakistan. Results: A total of 142 transgender people were included in the final analysis. The mean age of the study participants was 39.55 ± 6.18. Out of these, 45.1% had no depressive symptoms while 31.7% had mild, 12.7% had moderate and 10.6% had severe depressive symptomatology. After applying the binary logistic regression, we found that the presence of depressive symptoms had a significant association with illicit substance use among the target population. Conclusion: This study showed a high prevalence of depressive symptoms among the transgender population in the twin cities of Pakistan. Use of illicit substances like tobacco, cannabis, opiates, and alcohol should be discouraged to prevent mental health problems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=depression" title="depression">depression</a>, <a href="https://publications.waset.org/abstracts/search?q=transgender" title=" transgender"> transgender</a>, <a href="https://publications.waset.org/abstracts/search?q=prevalence" title=" prevalence"> prevalence</a>, <a href="https://publications.waset.org/abstracts/search?q=sociodemographic%20factors" title=" sociodemographic factors"> sociodemographic factors</a> </p> <a href="https://publications.waset.org/abstracts/117076/determining-the-prevalence-and-correlates-of-depression-among-transgenders-of-a-developing-country" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117076.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">1539</span> Corneal Confocal Microscopy As a Surrogate Marker of Neuronal Pathology In Schizophrenia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peter%20W.%20Woodruff">Peter W. Woodruff</a>, <a href="https://publications.waset.org/abstracts/search?q=Georgios%20Ponirakis"> Georgios Ponirakis</a>, <a href="https://publications.waset.org/abstracts/search?q=Reem%20Ibrahim"> Reem Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Amani%20Ahmed"> Amani Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoda%20Gad"> Hoda Gad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ioannis%20N.%20Petropoulos"> Ioannis N. Petropoulos</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnan%20Khan"> Adnan Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elsotouhy"> Ahmed Elsotouhy</a>, <a href="https://publications.waset.org/abstracts/search?q=Surjith%20Vattoth"> Surjith Vattoth</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20K.%20M.%20Alshawwaf"> Mahmoud K. M. Alshawwaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Adil%20Shah%20Khoodoruth"> Mohamed Adil Shah Khoodoruth</a>, <a href="https://publications.waset.org/abstracts/search?q=Marwan%20Ramadan"> Marwan Ramadan</a>, <a href="https://publications.waset.org/abstracts/search?q=Anjushri%20Bhagat"> Anjushri Bhagat</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20Currie"> James Currie</a>, <a href="https://publications.waset.org/abstracts/search?q=Ziyad%20Mahfoud"> Ziyad Mahfoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanadi%20Al%20Hamad"> Hanadi Al Hamad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Own"> Ahmed Own</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Haddad"> Peter Haddad</a>, <a href="https://publications.waset.org/abstracts/search?q=Majid%20Alabdulla"> Majid Alabdulla</a>, <a href="https://publications.waset.org/abstracts/search?q=Rayaz%20A.%20Malik"> Rayaz A. Malik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction:- We aimed to test the hypothesis that, using corneal confocal microscopy (a non-invasive method for assessing corneal nerve fibre integrity), patients with schizophrenia would show neuronal abnormalities compared with healthy participants. Schizophrenia is a neurodevelopmental and progressive neurodegenerative disease, for which there are no validated biomarkers. Corneal confocal microscopy (CCM) is a non-invasive ophthalmic imaging biomarker that can be used to detect neuronal abnormalities in neuropsychiatric syndromes. Methods:- Patients with schizophrenia (DSM-V criteria) without other causes of peripheral neuropathy and healthy controls underwent CCM, vibration perception threshold (VPT) and sudomotor function testing. The diagnostic accuracy of CCM in distinguishing patients from controls was assessed using the area under the curve (AUC) of the Receiver Operating Characterstics (ROC) curve. Findings:- Participants with schizophrenia (n=17) and controls (n=38) with comparable age (35.7±8.5 vs 35.6±12.2, P=0.96) were recruited. Patients with schizophrenia had significantly higher body weight (93.9±25.5 vs 77.1±10.1, P=0.02), lower Low Density Lipoproteins (2.6±1.0 vs 3.4±0.7, P=0.02), but comparable systolic and diastolic blood pressure, HbA1c, total cholesterol, triglycerides and High Density Lipoproteins were comparable with control participants. Patients with schizophrenia had significantly lower corneal nerve fiber density (CNFD, fibers/mm2) (23.5±7.8 vs 35.6±6.5, p<0.0001), branch density (CNBD, branches/mm2) (34.4±26.9 vs 98.1±30.6, p<0.0001), and fiber length (CNFL, mm/mm2) (14.3±4.7 vs 24.2±3.9, p<0.0001) but no difference in VPT (6.1±3.1 vs 4.5±2.8, p=0.12) and electrochemical skin conductance (61.0±24.0 vs 68.9±12.3, p=0.23) compared with controls. The diagnostic accuracy of CNFD, CNBD and CNFL to distinguish patients with schizophrenia from healthy controls were, according to the AUC, (95% CI): 87.0% (76.8-98.2), 93.2% (84.2-102.3), 93.2% (84.4-102.1), respectively. Conclusion:- In conclusion, CCM can be used to help identify neuronal changes and has a high diagnostic accuracy to distinguish subjects with schizophrenia from healthy controls. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=" title=""></a> </p> <a href="https://publications.waset.org/abstracts/139523/corneal-confocal-microscopy-as-a-surrogate-marker-of-neuronal-pathology-in-schizophrenia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139523.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">275</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">1538</span> Development of Electrospun Porous Carbon Fibers from Cellulose/Polyacrylonitrile Blend </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zubair%20Khaliq">Zubair Khaliq</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bilal%20Qadir"> M. Bilal Qadir</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20%20Shahzad"> Amir Shahzad</a>, <a href="https://publications.waset.org/abstracts/search?q=Zulfiqar%20Ali"> Zulfiqar Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahsan%20Nazir"> Ahsan Nazir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Afzal"> Ali Afzal</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20%20Jabbar"> Abdul Jabbar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon fibers are one of the most demanding materials on earth due to their potential application in energy, high strength materials, and conductive materials. The nanostructure of carbon fibers offers enhanced properties of conductivity due to the larger surface area. The next generation carbon nanofibers demand the porous structure as it offers more surface area. Multiple techniques are used to produce carbon fibers. However, electrospinning followed by carbonization of the polymeric materials is easy to carry process on a laboratory scale. Also, it offers multiple diversity of changing parameters to acquire the desired properties of carbon fibers. Polyacrylonitrile (PAN) is the most used material for the production of carbon fibers due to its promising processing parameters. Also, cellulose is one of the highest yield producers of carbon fibers. However, the electrospinning of cellulosic materials is difficult due to its rigid chain structure. The combination of PAN and cellulose can offer a suitable solution for the production of carbon fibers. Both materials are miscible in the mixed solvent of N, N, Dimethylacetamide and lithium chloride. This study focuses on the production of porous carbon fibers as a function of PAN/Cellulose blend ratio, solution properties, and electrospinning parameters. These single polymer and blend with different ratios were electrospun to give fine fibers. The higher amount of cellulose offered more difficulty in electrospinning of nanofibers. After carbonization, the carbon fibers were studied in terms of their blend ratio, surface area, and texture. Cellulose contents offered the porous structure of carbon fibers. Also, the presence of LiCl contributed to the porous structure of carbon fibers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellulose" title="cellulose">cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=polyacrylonitrile" title=" polyacrylonitrile"> polyacrylonitrile</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanofibers" title=" carbon nanofibers"> carbon nanofibers</a>, <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title=" electrospinning"> electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=blend" title=" blend"> blend</a> </p> <a href="https://publications.waset.org/abstracts/93471/development-of-electrospun-porous-carbon-fibers-from-cellulosepolyacrylonitrile-blend" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93471.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">1537</span> Optimization of Sequential Thermophilic Bio-Hydrogen/Methane Production from Mono-Ethylene Glycol via Anaerobic Digestion: Impact of Inoculum to Substrate Ratio and N/P Ratio</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elreedy">Ahmed Elreedy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Tawfik"> Ahmed Tawfik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This investigation aims to assess the effect of inoculum to substrate ratio (ISR) and nitrogen to phosphorous balance on simultaneous biohydrogen and methane production from anaerobic decomposition of mono-ethylene glycol (MEG). Different ISRs were applied in the range between 2.65 and 13.23 gVSS/gCOD, whereas the tested N/P ratios were changed from 4.6 to 8.5; both under thermophilic conditions (55°C). The maximum obtained methane and hydrogen yields (MY and HY) of 151.86±10.8 and 22.27±1.1 mL/gCODinitial were recorded at ISRs of 5.29 and 3.78 gVSS/gCOD, respectively. Unlikely, the ammonification process, in terms of net ammonia produced, was found to be ISR and COD/N ratio dependent, reaching its peak value of 515.5±31.05 mgNH4-N/L at ISR and COD/N ratio of 13.23 gVSS/gCOD and 11.56. The optimum HY was enhanced by more than 1.45-fold with declining N/P ratio from 8.5 to 4.6; whereas, the MY was improved (1.6-fold), while increasing N/P ratio from 4.6 to 5.5 with no significant impact at N/P ratio of 8.5. The results obtained revealed that the methane production was strongly influenced by initial ammonia, compared to initial phosphate. Likewise, the generation of ammonia was markedly deteriorated from 535.25±41.5 to 238.33±17.6 mgNH4-N/L with increasing N/P ratio from 4.6 to 8.5. The kinetic study using Modified Gompertz equation was successfully fitted to the experimental outputs (R2 > 0.9761). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mono-ethylene%20glycol" title="mono-ethylene glycol">mono-ethylene glycol</a>, <a href="https://publications.waset.org/abstracts/search?q=biohydrogen%20and%20methane" title=" biohydrogen and methane"> biohydrogen and methane</a>, <a href="https://publications.waset.org/abstracts/search?q=inoculum%20to%20substrate%20ratio" title=" inoculum to substrate ratio"> inoculum to substrate ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20to%20phosphorous%20balance" title=" nitrogen to phosphorous balance"> nitrogen to phosphorous balance</a>, <a href="https://publications.waset.org/abstracts/search?q=ammonification" title=" ammonification"> ammonification</a> </p> <a href="https://publications.waset.org/abstracts/54353/optimization-of-sequential-thermophilic-bio-hydrogenmethane-production-from-mono-ethylene-glycol-via-anaerobic-digestion-impact-of-inoculum-to-substrate-ratio-and-np-ratio" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54353.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">382</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">1536</span> Liquid-Liquid Extraction of Uranium (VI) from Aqueous Solution Using 1-Hydroxyalkylidene-1,1-Diphosphonic Acids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mustapha%20Bouhoun%20Ali">Mustapha Bouhoun Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Yacine%20Badjah%20Hadj%20Ahmed"> Ahmed Yacine Badjah Hadj Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Mouloud%20Attou"> Mouloud Attou</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdel%20Hamid%20Elias"> Abdel Hamid Elias</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Amine%20Didi"> Mohamed Amine Didi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The extraction of uranium(VI) from aqueous solutions has been investigated using 1-hydroxyhexadecylidene-1,1-diphosphonic acid (HHDPA) and 1-hydroxydodecylidene-1,1-diphosphonic acid (HDDPA), which were synthesized and characterized by elemental analysis and by FT-IR, 1H NMR, 31P NMR spectroscopy. In this paper, we propose a tentative assignment for the shifts of those two ligands and their specific complexes with uranium(VI). We carried out the extraction of uranium(VI) by HHDPA and HDDPA from [carbon tetrachloride + 2-octanol (v/v: 90%/10%)] solutions. Various factors such as contact time, pH, organic/aqueous phase ratio and extractant concentration were considered. The optimum conditions obtained were: contact time = 20 min, organic/aqueous phase ratio = 1, pH value = 3.0 and extractant concentration = 0.3M. The extraction yields are more significant in the case of the HHDPA which is equipped with a hydrocarbon chain, longer than that of the HDDPA. Logarithmic plots of the uranium(VI) distribution ratio vs. pHeq and the extractant concentration showed that the ratio of extractant to extracted uranium(VI) (ligand/metal) is 2:1. The formula of the complex of uranium(VI) with the HHDPA and the DHDPA is UO2(H3L)2 (HHDPA and DHDPA are denoted as H4L). A spectroscopic analysis has showed that coordination of uranium(VI) takes place via oxygen atoms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=liquid-liquid%20extraction" title="liquid-liquid extraction">liquid-liquid extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=uranium%28VI%29" title=" uranium(VI)"> uranium(VI)</a>, <a href="https://publications.waset.org/abstracts/search?q=1-hydroxyalkylidene-1" title=" 1-hydroxyalkylidene-1"> 1-hydroxyalkylidene-1</a>, <a href="https://publications.waset.org/abstracts/search?q=1-diphosphonic%20acids" title="1-diphosphonic acids">1-diphosphonic acids</a>, <a href="https://publications.waset.org/abstracts/search?q=HHDPA" title=" HHDPA"> HHDPA</a>, <a href="https://publications.waset.org/abstracts/search?q=HDDPA" title=" HDDPA"> HDDPA</a>, <a href="https://publications.waset.org/abstracts/search?q=aqueous%20solution" title=" aqueous solution"> aqueous solution</a> </p> <a href="https://publications.waset.org/abstracts/18650/liquid-liquid-extraction-of-uranium-vi-from-aqueous-solution-using-1-hydroxyalkylidene-11-diphosphonic-acids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18650.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">528</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Zubair%20Ahmed&page=2" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Zubair%20Ahmed&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Zubair%20Ahmed&page=2">2</a></li> <li class="page-item active"><span class="page-link">3</span></li> <li 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