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Azubike</title> <meta name="description" content="Search results for: Joseph Uche Azubike"> <meta name="keywords" content="Joseph Uche Azubike"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="Joseph Uche Azubike"> <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> 354</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Joseph Uche Azubike</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">234</span> Anti-Jaundice Properties of Methanolic Extract of Carica Papaya Leaves on Jaundice-Induced Albino Rat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Bamidele%20Minari">Joseph Bamidele Minari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The anti-jaundice properties of the methanolic extract of Carica papaya leaves on albino rat was evaluated. In order to achieve this, the phytochemical screening of the extract was carried out, and carbon tetrachloride (CCl4) (i.p) was injected into albino rats to induce jaundice. The rats were simultaneously given oral doses of 20 mg/kg, 40 mg/kg, 60 mg/kg, 80 mg/kg and 100 mg/kg (p.o) of methanolic extract of C. papaya. The effects of these extract on total bilirubin concentration, liver ALT AST, GGT activities of the jaundice-induced rats were studied after seven days period of the experiment. Administration of CCl4 alone to the rats significantly increased (p<0.05) total bilirubin concentration while the activities of ALT, AST, and GGT in the liver when compared to controls which received distilled water (p.o) was significantly lower (p<0.05). Simultaneous treatment of CCl4 injection, and oral administration of different doses of the C. papaya extract significantly reduced (p<0.05) total bilirubin concentration in the serum while the liver ALT AST, GGT activities significantly increased (p < 0.05). However, the lowest significant reduction (p<0.05) of bilirubin concentration was observed with simultaneous administration of 60mg/kg of the extract on the rats. This study suggests that the extract of C. papaya leaves possess the phytochemicals that have anti-jaundice properties. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carica%20papaya" title="carica papaya">carica papaya</a>, <a href="https://publications.waset.org/abstracts/search?q=jaundice" title=" jaundice"> jaundice</a>, <a href="https://publications.waset.org/abstracts/search?q=herbal%20medicine" title=" herbal medicine"> herbal medicine</a>, <a href="https://publications.waset.org/abstracts/search?q=liver" title=" liver"> liver</a>, <a href="https://publications.waset.org/abstracts/search?q=rat" title=" rat"> rat</a> </p> <a href="https://publications.waset.org/abstracts/1366/anti-jaundice-properties-of-methanolic-extract-of-carica-papaya-leaves-on-jaundice-induced-albino-rat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1366.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">452</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">233</span> An Analysis of New Service Interchange Designs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20E.%20Hummer">Joseph E. Hummer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An efficient freeway system will be essential to the development of Africa, and interchanges are a key to that efficiency. Around the world, many interchanges between freeways and surface streets, called service interchanges, are of the diamond configuration, and interchanges using roundabouts or loop ramps are also popular. However, many diamond interchanges have serious operational problems, interchanges with roundabouts fail at high demand levels, and loops use lots of expensive land. Newer service interchange designs provide other options. The most popular new interchange design in the US at the moment is the double crossover diamond (DCD), also known as the diverging diamond. The DCD has enormous potential, but also has several significant limitations. The objectives of this paper are to review new service interchange options and to highlight some of the main features of those alternatives. The paper tests four conventional and seven unconventional designs using seven measures related to efficiency, cost, and safety. The results show that there is no superior design in all measures investigated. The DCD is better than most designs tested on most measures examined. However, the DCD was only superior to all other designs for bridge width. The DCD performed relatively poorly for capacity and for serving pedestrians. Based on the results, African freeway designers are encouraged to investigate the full range of alternatives that could work at the spot of interest. Diamonds and DCDs have their niches, but some of the other designs investigated could be optimum at some spots. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=interchange" title="interchange">interchange</a>, <a href="https://publications.waset.org/abstracts/search?q=diamond" title=" diamond"> diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=diverging%20diamond" title=" diverging diamond"> diverging diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=capacity" title=" capacity"> capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=safety" title=" safety"> safety</a>, <a href="https://publications.waset.org/abstracts/search?q=cost" title=" cost"> cost</a> </p> <a href="https://publications.waset.org/abstracts/12953/an-analysis-of-new-service-interchange-designs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12953.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">252</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">232</span> Understanding ASPECTS of Stroke: Interrater Reliability between Emergency Medicine Physician and Radiologist in a Rural Setup</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vineel%20Inampudi">Vineel Inampudi</a>, <a href="https://publications.waset.org/abstracts/search?q=Arjun%20Prakash"> Arjun Prakash</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Vinod"> Joseph Vinod</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aims and Objectives: To evaluate the interrater reliability in grading ASPECTS score, between emergency medicine physician at first contact and radiologist among patients with acute ischemic stroke. Materials and Methods: We conducted a retrospective analysis of 86 acute ischemic stroke cases referred to the Department of Radiodiagnosis during November 2014 to January 2016. The imaging (plain CT scan) was performed using GE Bright Speed Elite 16 Slice CT Scanner. ASPECTS score was calculated separately by an emergency medicine physician and radiologist. Interrater reliability for total and dichotomized ASPECTS (≥ 6 and < 6) scores were assessed using statistical analysis (ICC and Cohen ĸ coefficients) on SPSS software (v17.0). Results: Interrater agreement for total and dichotomized ASPECTS was substantial (ICC 0.79 and Cohen ĸ 0.68) between the emergency physician and radiologist. Mean difference in ASPECTS between the two readers was only 0.15 with standard deviation of 1.58. No proportionality bias was detected. Bland Altman plot was constructed to demonstrate the distribution of ASPECT differences between the two readers. Conclusion: Substantial interrater agreement was noted in grading ASPECTS between emergency medicine physician at first contact and radiologist thereby confirming its robustness even in a rural setting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ASPECTS" title="ASPECTS">ASPECTS</a>, <a href="https://publications.waset.org/abstracts/search?q=computed%20tomography" title=" computed tomography"> computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=MCA%20territory" title=" MCA territory"> MCA territory</a>, <a href="https://publications.waset.org/abstracts/search?q=stroke" title=" stroke"> stroke</a> </p> <a href="https://publications.waset.org/abstracts/96351/understanding-aspects-of-stroke-interrater-reliability-between-emergency-medicine-physician-and-radiologist-in-a-rural-setup" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96351.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">236</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">231</span> d-Block Metal Nanoparticles Confined in Triphenylphosphine Oxide Functionalized Core-Crosslinked Micelles for the Application in Biphasic Hydrogenation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Joseph%20Abou-Fayssal">C. Joseph Abou-Fayssal</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Philippot"> K. Philippot</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Poli"> R. Poli</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Manoury"> E. Manoury</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Riisager"> A. Riisager</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of soluble polymer-supported metal nanoparticles (MNPs) has received significant attention for the ease of catalyst recovery and recycling. Of particular interest are MNPs that are supported on polymers that are either soluble or form stable colloidal dispersion in water, as this allows to combine of the advantages of the aqueous biphasic protocol with the catalytical performances of MNPs. The objective is to achieve good confinement of the catalyst in the nanoreactor cores and, thus, a better catalyst recovery in order to overcome the previously witnessed MNP extraction. Inspired by previous results, we are interested in the design of polymeric nanoreactors functionalized with ligands able to solidly anchor metallic nanoparticles in order to control the activity and selectivity of the developed nanocatalysts. The nanoreactors are core-crosslinked micelles (CCM) synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. Varying the nature of the core-linked functionalities allows us to get differently stabilized metal nanoparticles and thus compare their performance in the catalyzed aqueous biphasic hydrogenation of model substrates. Particular attention is given to catalyst recyclability. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biphasic%20catalysis" title="biphasic catalysis">biphasic catalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=metal%20nanoparticles" title=" metal nanoparticles"> metal nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=polymeric%20nanoreactors" title=" polymeric nanoreactors"> polymeric nanoreactors</a>, <a href="https://publications.waset.org/abstracts/search?q=catalyst%20recovery" title=" catalyst recovery"> catalyst recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=RAFT%20polymerization" title=" RAFT polymerization"> RAFT polymerization</a> </p> <a href="https://publications.waset.org/abstracts/158379/d-block-metal-nanoparticles-confined-in-triphenylphosphine-oxide-functionalized-core-crosslinked-micelles-for-the-application-in-biphasic-hydrogenation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158379.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">102</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">230</span> An Overview of the Current Status of Lake Jipe and Its Biodiversity Dilemma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mercy%20Chepkirui">Mercy Chepkirui</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Orina"> Paul Orina</a>, <a href="https://publications.waset.org/abstracts/search?q=Robin%20Abell"> Robin Abell</a>, <a href="https://publications.waset.org/abstracts/search?q=Leonard%20Akwany"> Leonard Akwany</a>, <a href="https://publications.waset.org/abstracts/search?q=Tonny%20Orina"> Tonny Orina</a>, <a href="https://publications.waset.org/abstracts/search?q=Mercy%20Matuma"> Mercy Matuma</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasowo%20Joseph"> Rasowo Joseph</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lake jipe, a shared water resource between Kenya and Tanzania located at the East African Coast, is under multiple pressures. The lake has receded from 30Km2 to 27.32Km2 due to prolonged dry spells and intensified water abstraction for irrigation and re-route to Mungu ya Nyumba Dam in Tanzania. Agricultural activities have significantly (90%) contributed to the lake levels decline and further affected the lakes’ aquatic biodiversity. Among the most affected are the commercially important endemic fish species of the lake, of which Oreochromis jipe has experienced the greatest decline. Overfishing, use of illegal unreported and unregulated fishing gears, intensified fishing along protected fish breeding areas as well as poor management and uncoordinated conservation efforts have significantly contributed to the decline of fish catches from 348 kg of O. jipe in 2016 to 90 kg daily catches in 2022. Therefore, the lake is on the verge of extinction if no action is taken. This calls for awareness of the significance of the L. Jipe ecosystems and its immediate and long-term benefits. Further, there is a need to revive alternative economic activities, including aquaculture and sustainable agriculture, to offer alternative livelihood to local communities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiversity" title="biodiversity">biodiversity</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem" title=" ecosystem"> ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=conservation" title=" conservation"> conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=fisheries" title=" fisheries"> fisheries</a> </p> <a href="https://publications.waset.org/abstracts/166100/an-overview-of-the-current-status-of-lake-jipe-and-its-biodiversity-dilemma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166100.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">180</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">229</span> Analysis of Airborne Data Using Range Migration Algorithm for the Spotlight Mode of Synthetic Aperture Radar</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peter%20Joseph%20Basil%20Morris">Peter Joseph Basil Morris</a>, <a href="https://publications.waset.org/abstracts/search?q=Chhabi%20Nigam"> Chhabi Nigam</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Ramakrishnan"> S. Ramakrishnan</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Radhakrishna"> P. Radhakrishna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper brings out the analysis of the airborne Synthetic Aperture Radar (SAR) data using the Range Migration Algorithm (RMA) for the spotlight mode of operation. Unlike in polar format algorithm (PFA), space-variant defocusing and geometric distortion effects are mitigated in RMA since it does not assume that the illuminating wave-fronts are planar. This facilitates the use of RMA for imaging scenarios involving severe differential range curvatures enabling the imaging of larger scenes at fine resolution and at shorter ranges with low center frequencies. The RMA algorithm for the spotlight mode of SAR is analyzed in this paper using the airborne data. Pre-processing operations viz: - range de-skew and motion compensation to a line are performed on the raw data before being fed to the RMA component. Various stages of the RMA viz:- 2D Matched Filtering, Along Track Fourier Transform and Slot Interpolation are analyzed to find the performance limits and the dependence of the imaging geometry on the resolution of the final image. The ability of RMA to compensate for severe differential range curvatures in the two-dimensional spatial frequency domain are also illustrated in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=range%20migration%20algorithm" title="range migration algorithm">range migration algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=spotlight%20SAR" title=" spotlight SAR"> spotlight SAR</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic%20aperture%20radar" title=" synthetic aperture radar"> synthetic aperture radar</a>, <a href="https://publications.waset.org/abstracts/search?q=matched%20filtering" title=" matched filtering"> matched filtering</a>, <a href="https://publications.waset.org/abstracts/search?q=slot%20interpolation" title=" slot interpolation"> slot interpolation</a> </p> <a href="https://publications.waset.org/abstracts/61445/analysis-of-airborne-data-using-range-migration-algorithm-for-the-spotlight-mode-of-synthetic-aperture-radar" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61445.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">241</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">228</span> Unexpected Acute Respiratory Failure following Administration of Rocuronium Bromide during Cesarean Delivery in a Severely Preeclamptic Parturient Treated with Magnesium Sulfate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Carl%20Macalintal">Joseph Carl Macalintal</a>, <a href="https://publications.waset.org/abstracts/search?q=Erlinda%20Armovit"> Erlinda Armovit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Magnesium sulfate has been a mainstay in the management of preeclampsia and is associated with a decreased incidence of morbidity and mortality. The syndrome has an unpredictable course, sometimes rapidly evolving to full-blown disease. In patients with deteriorating status, it is indicated to terminate the pregnancy via cesarean section. The anesthesiologists would prefer to have the procedure done under regional anesthesia; however, there may be cases when neuraxial anesthesia is contraindicated, or a general anesthesia would permit prompt delivery of the fetus. A patient with severe preeclampsia was given magnesium sulfate intrapartum, wherein a primary cesarean section was indicated for arrest in cervical dilatation, and was performed under general anesthesia. The patient developed acute respiratory failure and the causes of this occurrence were investigated in this report. It was later found out that neither the hypermagnesemia nor the muscle relaxant alone caused the patient’s condition but the interaction between the two. The patient was managed expectantly at the intensive care unit (ICU) and was eventually extubated during the 1st post-operative day. Knowledge of this drug interaction would allow obstetricians to advise their patients and their family about the possibility of prolonged intubation and ICU admission. This would also bring to the anesthesiologists’ attention the need to decrease the dose of muscle relaxant and to prepare drugs for immediate decurarisation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eclampsia" title="eclampsia">eclampsia</a>, <a href="https://publications.waset.org/abstracts/search?q=magnesium%20sulfate" title=" magnesium sulfate"> magnesium sulfate</a>, <a href="https://publications.waset.org/abstracts/search?q=preeclampsia" title=" preeclampsia"> preeclampsia</a>, <a href="https://publications.waset.org/abstracts/search?q=rocuronium%20bromide" title=" rocuronium bromide"> rocuronium bromide</a> </p> <a href="https://publications.waset.org/abstracts/39306/unexpected-acute-respiratory-failure-following-administration-of-rocuronium-bromide-during-cesarean-delivery-in-a-severely-preeclamptic-parturient-treated-with-magnesium-sulfate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39306.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">291</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">227</span> A Collection of Voices on Higher Educational Access, Quality and Equity in Africa: A Systematic Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Araba%20A.%20Z.%20Osei-Tutu">Araba A. Z. Osei-Tutu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebenezer%20Odame"> Ebenezer Odame</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Bawa"> Joseph Bawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Samuel%20Amponsah"> Samuel Amponsah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Education is recognized as a fundamental human right and a catalyst for development. Despite progress in the provision of higher education on the African continent, there persist challenges with the tripartite areas of access, equity and quality. Therefore, this systematic review aimed at providing a comprehensive overview of conversations and voices of scholars on these three concepts in HE in Africa. The systematic review employed a thematic analysis approach, synthesizing findings from 38 selected sources. After a critical analysis of the sources included in the systematic review, deficits in access, quality, and equity were outlined, focusing on infrastructure, regional disparities, and privatization challenges. The review also revealed the weak enforcement of quality assurance measures. Strategies for improvement, proffered by the study, include expanding public sector HE, deregulating the educational sector, promoting open and distance learning, implementing preferential admission policies, and enhancing financial aid. This research contributes valuable insights for policymakers, educators, and stakeholders, fostering a collaborative approach to address challenges and promote holistic development in African higher education. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=access" title="access">access</a>, <a href="https://publications.waset.org/abstracts/search?q=equity" title=" equity"> equity</a>, <a href="https://publications.waset.org/abstracts/search?q=quality" title=" quality"> quality</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20education" title=" higher education"> higher education</a>, <a href="https://publications.waset.org/abstracts/search?q=Africa" title=" Africa"> Africa</a>, <a href="https://publications.waset.org/abstracts/search?q=systematic%20review" title=" systematic review"> systematic review</a>, <a href="https://publications.waset.org/abstracts/search?q=strategies" title=" strategies"> strategies</a> </p> <a href="https://publications.waset.org/abstracts/180707/a-collection-of-voices-on-higher-educational-access-quality-and-equity-in-africa-a-systematic-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/180707.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">71</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">226</span> Implementation of Renewable Energy Technologies in Rural Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Levodo">Joseph Levodo</a>, <a href="https://publications.waset.org/abstracts/search?q=Andy%20Ford"> Andy Ford</a>, <a href="https://publications.waset.org/abstracts/search?q=ISSA%20Chaer"> ISSA Chaer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Africa enjoys some of the best solar radiation levels in the world averaging between 4-6 kWh/m2/day for most of the year and the global economic and political conditions that tend to make African countries more dependent on their own energy resources have caused growing interest in wanting renewable energy based technologies. However to-date, implementation of Modern Energy Technologies in Africa is still very low especially the use of solar conversion technologies. It was initially speculated that the low uptake of solar technology in Africa was associated with the continent’s high poverty levels and limitations in technical capacity as well as awareness. Nonetheless, this is not an academic based speculation and the exact reasons for this low trend in technology adoption are unclear and require further investigation. This paper presents literature review and analysis relating to the techno-economic feasibility of solar photovoltaic power generation in Africa. The literature review would include the following four main categories: design methods, techno-economic feasibility of solar photovoltaic power generation, performance evaluations of various systems, Then it looks at the role of policy and potential future of technological development of photovoltaic (PV) by exploring the impact of alternative policy instruments and technology cost reductions on the financial viability of investing solar photovoltaic (PV) in Africa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Africa%20Solar%20Potential" title="Africa Solar Potential">Africa Solar Potential</a>, <a href="https://publications.waset.org/abstracts/search?q=policy" title=" policy"> policy</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title=" photovoltaic"> photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=technologies" title=" technologies "> technologies </a> </p> <a href="https://publications.waset.org/abstracts/16426/implementation-of-renewable-energy-technologies-in-rural-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16426.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">564</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">225</span> Understanding the Mechanisms of Salmonella Typhimurium Resistance to Cannabidiol (CDB)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iddrisu%20Ibrahim">Iddrisu Ibrahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Atia%20Ayariga"> Joseph Atia Ayariga</a>, <a href="https://publications.waset.org/abstracts/search?q=Junhuan%20Xu"> Junhuan Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20A.%20Abugri"> Daniel A. Abugri</a>, <a href="https://publications.waset.org/abstracts/search?q=Robertson%20K.%20Boakai"> Robertson K. Boakai</a>, <a href="https://publications.waset.org/abstracts/search?q=Olufemi%20S.%20Ajayi"> Olufemi S. Ajayi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The recalcitrance of pathogenic bacteria indicates that millions of people who are at risk of infection arising from chronic diseases, surgery, organ transplant, diabetes, and several other debilitating diseases present an aura of potentially untreatable illness due to resistance development. Antimicrobial resistance has successfully become a global health menace, and resistances are often acquired by bacteria through health-care-related incidence (HRI) orchestrated by multi-drug resistant (MDR) and extended drug-resistant pathogens (EDRP). To understand the mechanisms S. Typhimurium uses to resist CDB, we study the abundance of LPS modification, Ergosterols, Mysristic palmitic resistance, Oleic acid resistance of susceptible and resistant S. Typhimurium. Using qPCR, we also analyzed the expression of selected genes known for enabling resistance in S. Typhimurium. We found high abundance of LPS, Ergosterols, Mysristic palmitic resistance, Oleic acid resistance of and high expression of resistant genes in S. Typhimurium compared to the susceptible strain. LPS modification, Ergosterols, Mysristic palmitic resistance, Oleic acid and genes such as Fims, integrons, blaTEM are important indicators of resistance development of S. typhimurium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobials" title="antimicrobials">antimicrobials</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance" title=" resistance"> resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=Cannabidiol" title=" Cannabidiol"> Cannabidiol</a>, <a href="https://publications.waset.org/abstracts/search?q=Salmonella" title=" Salmonella"> Salmonella</a>, <a href="https://publications.waset.org/abstracts/search?q=blaTEM" title=" blaTEM"> blaTEM</a>, <a href="https://publications.waset.org/abstracts/search?q=fimA" title=" fimA"> fimA</a>, <a href="https://publications.waset.org/abstracts/search?q=Lipopolysaccharide" title=" Lipopolysaccharide"> Lipopolysaccharide</a>, <a href="https://publications.waset.org/abstracts/search?q=Ergosterols" title=" Ergosterols"> Ergosterols</a> </p> <a href="https://publications.waset.org/abstracts/182736/understanding-the-mechanisms-of-salmonella-typhimurium-resistance-to-cannabidiol-cdb" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182736.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">86</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">224</span> The Differences of Vascular Endothelial Growth Factor Levels in Serum to Determine Follicular Adenoma and Follicular Carcinoma of Thyroid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tery%20Nehemia%20Nugraha%20Joseph">Tery Nehemia Nugraha Joseph</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20D.%20P.%20Wisnubroto"> J. D. P. Wisnubroto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thyroid cancer is a healthcare problem with high morbidity and mortality. Follicular adenoma and follicular carcinoma are thyroid tumors from the thyroid follicular cells differentiation with a microfollicular pattern that consists of follicular cuboidal cells. vascular endothelial growth factor (VEGF) is a potent and powerful mitogen for endothelial cells and increases vascular permeability. Therefore, due to an increase in thyroid-stimulating hormone (TSH), VEGF production is activated in the thyroid that leads to the end of mitogenic TSH stimulation and initiation of angiogenesis. The differences in VEGF levels in the follicular carcinoma of thyroid tissue with follicular adenoma thyroid can be used as a basis in differentiating the two types of neoplasms. This study aims to analyze VEGF in the serum so that it can be used to differentiate the types of thyroid carcinoma before surgery. This study uses a cross-sectional research design. Samples were carried out by taking serum samples, and the VEGF levels were calculated. Data were analyzed using the Mann-Whitney test. The results found a significant difference between VEGF levels in the follicular carcinoma thyroid group and VEGF levels in the follicular adenoma thyroid group with a value of p = 0.007 (p < 0.05). The results obtained are 560,427 ± 160,506 ng/mL in the type of follicular carcinoma thyroid and 320.943 ± 134.573 ng/mL in the type of follicular adenoma thyroid. VEGF levels between follicular adenoma and follicular carcinoma are different. VEGF levels are higher in follicular carcinoma thyroid than follicular adenoma thyroid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=follicular%20adenoma%20thyroid" title="follicular adenoma thyroid">follicular adenoma thyroid</a>, <a href="https://publications.waset.org/abstracts/search?q=follicular%20carcinoma%20thyroid" title=" follicular carcinoma thyroid"> follicular carcinoma thyroid</a>, <a href="https://publications.waset.org/abstracts/search?q=thyroid" title=" thyroid"> thyroid</a>, <a href="https://publications.waset.org/abstracts/search?q=VEGF" title=" VEGF"> VEGF</a> </p> <a href="https://publications.waset.org/abstracts/136980/the-differences-of-vascular-endothelial-growth-factor-levels-in-serum-to-determine-follicular-adenoma-and-follicular-carcinoma-of-thyroid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136980.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">223</span> Survey of Methods for Solutions of Spatial Covariance Structures and Their Limitations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Thomas%20Eghwerido">Joseph Thomas Eghwerido</a>, <a href="https://publications.waset.org/abstracts/search?q=Julian%20I.%20Mbegbu"> Julian I. Mbegbu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In modelling environment processes, we apply multidisciplinary knowledge to explain, explore and predict the Earth's response to natural human-induced environmental changes. Thus, the analysis of spatial-time ecological and environmental studies, the spatial parameters of interest are always heterogeneous. This often negates the assumption of stationarity. Hence, the dispersion of the transportation of atmospheric pollutants, landscape or topographic effect, weather patterns depends on a good estimate of spatial covariance. The generalized linear mixed model, although linear in the expected value parameters, its likelihood varies nonlinearly as a function of the covariance parameters. As a consequence, computing estimates for a linear mixed model requires the iterative solution of a system of simultaneous nonlinear equations. In other to predict the variables at unsampled locations, we need to know the estimate of the present sampled variables. The geostatistical methods for solving this spatial problem assume covariance stationarity (locally defined covariance) and uniform in space; which is not apparently valid because spatial processes often exhibit nonstationary covariance. Hence, they have globally defined covariance. We shall consider different existing methods of solutions of spatial covariance of a space-time processes at unsampled locations. This stationary covariance changes with locations for multiple time set with some asymptotic properties. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=parametric" title="parametric">parametric</a>, <a href="https://publications.waset.org/abstracts/search?q=nonstationary" title=" nonstationary"> nonstationary</a>, <a href="https://publications.waset.org/abstracts/search?q=Kernel" title=" Kernel"> Kernel</a>, <a href="https://publications.waset.org/abstracts/search?q=Kriging" title=" Kriging"> Kriging</a> </p> <a href="https://publications.waset.org/abstracts/59194/survey-of-methods-for-solutions-of-spatial-covariance-structures-and-their-limitations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59194.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">255</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">222</span> Thermophysical Properties and Kinetic Study of Dioscorea bulbifera</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Chinagorom%20Nwadike">Emmanuel Chinagorom Nwadike</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Tagbo%20Nwabanne"> Joseph Tagbo Nwabanne</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20Ndubuisi%20Abonyi"> Matthew Ndubuisi Abonyi</a>, <a href="https://publications.waset.org/abstracts/search?q=Onyemazu%20Andrew%20Azaka"> Onyemazu Andrew Azaka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research focused on the modeling of the convective drying of aerial yam using finite element methods. The thermo-gravimetric analyzer was used to determine the thermal stability of the sample. An aerial yam sample of size 30 x 20 x 4 mm was cut with a mold designed for the purpose and dried in a convective dryer set at 4m/s fan speed and temperatures of 68.58 and 60.56°C. The volume shrinkage of the resultant dried sample was determined by immersing the sample in a toluene solution. The finite element analysis was done with PDE tools in Matlab 2015. Seven kinetic models were employed to model the drying process. The result obtained revealed three regions in the thermogravimetric analysis (TGA) profile of aerial yam. The maximum thermal degradation rates of the sample occurred at 432.7°C. The effective thermal diffusivity of the sample increased as the temperature increased from 60.56°C to 68.58°C. The finite element prediction of moisture content of aerial yam at an air temperature of 68.58°C and 60.56°C shows R² of 0.9663 and 0.9155, respectively. There was a good agreement between the finite element predicted moisture content and the measured moisture content, which is indicative of a highly reliable finite element model developed. The result also shows that the best kinetic model for the aerial yam under the given drying conditions was the Logarithmic model with a correlation coefficient of 0.9991. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerial%20yam" title="aerial yam">aerial yam</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element" title=" finite element"> finite element</a>, <a href="https://publications.waset.org/abstracts/search?q=convective" title=" convective"> convective</a>, <a href="https://publications.waset.org/abstracts/search?q=effective" title=" effective"> effective</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusivity" title=" diffusivity"> diffusivity</a> </p> <a href="https://publications.waset.org/abstracts/148796/thermophysical-properties-and-kinetic-study-of-dioscorea-bulbifera" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148796.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">153</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">221</span> Ignition Interlock Device for Motorcycles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luisito%20L.%20Lacatan">Luisito L. Lacatan</a>, <a href="https://publications.waset.org/abstracts/search?q=Zacha%20Valerie%20G.%20Ancheta"> Zacha Valerie G. Ancheta</a>, <a href="https://publications.waset.org/abstracts/search?q=Michelangelo%20A.%20Dorado"> Michelangelo A. Dorado</a>, <a href="https://publications.waset.org/abstracts/search?q=Lester%20Joseph%20M.%20Ochoa"> Lester Joseph M. Ochoa</a>, <a href="https://publications.waset.org/abstracts/search?q=Anthony%20Mark%20G.%20Tayabas"> Anthony Mark G. Tayabas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ignition Interlock Device or IID is a mechanism installed inside a vehicle which requires the driver to breathe into the device before starting the vehicle. If the IID detects that the alcohol level or blood alcohol content (BAC) is higher than the accepted value, the engine will not start. If the driver is not able to provide a clean breath sample, the IID will log the event, warn the driver, and then start up an alarm. The purpose of the IID is to prevent accidents due to driving under the influence (DUI). With the rise of the two-wheeled vehicle in the Philippines due to its mobility and purchasing power, IIDs are still mainly installed on four-wheeled vehicles. Even though riding the motorcycle when drunk is more dangerous, there are only a small number of installed devices on motorcycles and scooters. The general objective of this study was to develop a system with hardware and software components that would implement IID on motorcycles. The study employed a descriptive method of research. The study also concluded the following: the infrared must have a point-to-point communication, the breathalyzer on the helmet should react to ethanol, the microcontroller on the motorcycle should accept all IR signals from the helmet and interpret it and the GPS shield should have an unobstructed line-of-sight communication with the GPS satellites. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blood%20alcohol%20content" title="blood alcohol content">blood alcohol content</a>, <a href="https://publications.waset.org/abstracts/search?q=breathalyser" title=" breathalyser"> breathalyser</a>, <a href="https://publications.waset.org/abstracts/search?q=driving%20under%20the%20influence" title=" driving under the influence"> driving under the influence</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20positioning%20system" title=" global positioning system"> global positioning system</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20system%20for%20mobile%20communication" title=" global system for mobile communication"> global system for mobile communication</a> </p> <a href="https://publications.waset.org/abstracts/45552/ignition-interlock-device-for-motorcycles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45552.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">327</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">220</span> Significant Factors to Motivate Small and Medium Enterprise (SME) Construction Firms in the Philippines to Implement ISO 9001:2008</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Berlin%20P.%20Juanzon">Joseph Berlin P. Juanzon</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20M.%20Muhi"> Manuel M. Muhi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Motivating SME-based construction firms to adopt different management systems is not a simple task, especially if they are not aware of the benefits that they will gain from the new process-based management system. The implementation of ISO 9001:2008, Quality Management System in the construction industry is an ongoing trend, more so in the Small and Medium Enterprise. However, the level of awareness and readiness of the construction industry in the Philippines is still low as compared to the neighboring countries in Asia and in the western countries where ISO 9001:2008 originated. The purpose of this research is to determine the significant factors that will motivate SME-based construction firms in the Philippines to implement ISO 9001:2008. A field study was conducted on SME based construction firms in the Philippines, wherein a total of 139 respondents out of the 613 SME-based construction firms in CALABARZON areas were surveyed. Results reveal that the three main factors that will motivate SME-based construction firms to implement ISO 9001:2008 are: - if required by their clients, - to qualify for bidding, and - to increase customer satisfaction. Therefore, based on the results and findings, a certification of ISO 9001:2008 from an accredited auditor shall be required by clients as a constituent in accrediting SME-based construction firms and to qualify for bidding. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction" title="construction">construction</a>, <a href="https://publications.waset.org/abstracts/search?q=ISO%209001%3A2008" title=" ISO 9001:2008"> ISO 9001:2008</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20management%20systems%20%28QMS%29" title=" quality management systems (QMS)"> quality management systems (QMS)</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20medium%20enterprise%20%28SME%29" title=" small medium enterprise (SME) "> small medium enterprise (SME) </a> </p> <a href="https://publications.waset.org/abstracts/35766/significant-factors-to-motivate-small-and-medium-enterprise-sme-construction-firms-in-the-philippines-to-implement-iso-90012008" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35766.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">395</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">219</span> Advanced Nanomaterials in Catalysis: Bridging the Gap Between Pollution Control and Renewable Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abonyi%20Matthew%20Ndubuisi">Abonyi Matthew Ndubuisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Christopher%20Chiedozie%20Obi"> Christopher Chiedozie Obi</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Tagbo%20Nwabanne"> Joseph Tagbo Nwabanne</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This review focuses on the application of advanced nanomaterials in catalysis for pollution control and renewable energy solutions. This review provides a comprehensive examination of the latest developments in nanocatalysts, highlighting their role in addressing environmental challenges and facilitating sustainable energy solutions. The unique properties of nanomaterials, including high surface area, tunable electronic properties, and enhanced reactivity, make them ideal candidates for catalytic applications. This review explores various types of nanomaterials, such as metal nanoparticles, carbon-based nanostructures, and metal-organic frameworks, and their effectiveness in processes like photocatalysis, electrocatalysis, and hydrogen production. Additionally, the review discusses the environmental benefits of using nanocatalysts in pollution control, focusing on the degradation of pollutants in water and air. The potential of these materials to bridge the gap between environmental remediation and clean energy production is emphasized, showcasing their dual role in mitigating pollution and advancing renewable energy technologies. In conclusion, the review analyzes the current challenges and future directions in the field, highlighting the need for continued research to improve the design and application of nanocatalysts for a sustainable future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanomaterials" title="nanomaterials">nanomaterials</a>, <a href="https://publications.waset.org/abstracts/search?q=catalysis" title=" catalysis"> catalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=pollution%20control" title=" pollution control"> pollution control</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20technology" title=" sustainable technology"> sustainable technology</a> </p> <a href="https://publications.waset.org/abstracts/190022/advanced-nanomaterials-in-catalysis-bridging-the-gap-between-pollution-control-and-renewable-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190022.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">24</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">218</span> Online Handwritten Character Recognition for South Indian Scripts Using Support Vector Machines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Steffy%20Maria%20Joseph">Steffy Maria Joseph</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdu%20Rahiman%20V"> Abdu Rahiman V</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Hameed%20K.%20M."> Abdul Hameed K. M.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Online handwritten character recognition is a challenging field in Artificial Intelligence. The classification success rate of current techniques decreases when the dataset involves similarity and complexity in stroke styles, number of strokes and stroke characteristics variations. Malayalam is a complex south indian language spoken by about 35 million people especially in Kerala and Lakshadweep islands. In this paper, we consider the significant feature extraction for the similar stroke styles of Malayalam. This extracted feature set are suitable for the recognition of other handwritten south indian languages like Tamil, Telugu and Kannada. A classification scheme based on support vector machines (SVM) is proposed to improve the accuracy in classification and recognition of online malayalam handwritten characters. SVM Classifiers are the best for real world applications. The contribution of various features towards the accuracy in recognition is analysed. Performance for different kernels of SVM are also studied. A graphical user interface has developed for reading and displaying the character. Different writing styles are taken for each of the 44 alphabets. Various features are extracted and used for classification after the preprocessing of input data samples. Highest recognition accuracy of 97% is obtained experimentally at the best feature combination with polynomial kernel in SVM. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SVM" title="SVM">SVM</a>, <a href="https://publications.waset.org/abstracts/search?q=matlab" title=" matlab"> matlab</a>, <a href="https://publications.waset.org/abstracts/search?q=malayalam" title=" malayalam"> malayalam</a>, <a href="https://publications.waset.org/abstracts/search?q=South%20Indian%20scripts" title=" South Indian scripts"> South Indian scripts</a>, <a href="https://publications.waset.org/abstracts/search?q=onlinehandwritten%20character%20recognition" title=" onlinehandwritten character recognition"> onlinehandwritten character recognition</a> </p> <a href="https://publications.waset.org/abstracts/30826/online-handwritten-character-recognition-for-south-indian-scripts-using-support-vector-machines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30826.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">575</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">217</span> Religion and Sustainable Development: A Comparative Study of Buddhist and Christian Farmers’ Contribution to the Environmental Protection in Taiwan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jijimon%20Alakkalam%20Joseph">Jijimon Alakkalam Joseph</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The UN 2030 Agenda for Sustainable Development claims to be a comprehensive and integrated plan of action for prosperity for people and the planet, including almost all dimensions of human existence. Nevertheless, critics have pointed out the exclusion of the religious dimension from development discussions. Care for the earth is one of the vital aspects of sustainable development. Farmers all over the world contribute much to environmental protection. Most farmers are religious believers, and religious ideologies influence their agricultural practices. This nexus between faith and agriculture has forced policymakers to include religion in development discussions. This paper delves deeper into this religion and sustainable development connection. Buddhism and Christianity have contributed much to environmental protection in Taiwan. However, interviews conducted among 40 Taiwanese farmers (10 male and female farmers from Buddhism and Christianity) show that their faith experiences make them relate to the natural environment differently. Most of the Buddhist farmers interviewed admitted that they chose their religious adherence, while most of the Christian farmers inherited their faith. The in-depth analysis of the interview data collected underlines the close relationship between religion and sustainable development. More importantly, concerning their intention to care for the earth, farmers whose religious adherence is ‘chosen’ are self-motivated and more robust compared to those whose religious adherence is ‘inherited’. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Buddhism" title="Buddhism">Buddhism</a>, <a href="https://publications.waset.org/abstracts/search?q=Christianity" title=" Christianity"> Christianity</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20protection" title=" environmental protection"> environmental protection</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/153115/religion-and-sustainable-development-a-comparative-study-of-buddhist-and-christian-farmers-contribution-to-the-environmental-protection-in-taiwan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153115.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">85</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">216</span> Scooping Review Towards Different Use of Monitoring Technology Devices in Caring with Older Adults with Cognitive Impairment: A Model for Nursing Care Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hind%20Mohammed%20A.%20Asiri">Hind Mohammed A. Asiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Asia%20Mohammed%20Asiri"> Asia Mohammed Asiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20Falah%20Alruwaili"> Hana Falah Alruwaili</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Almazan"> Joseph Almazan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the rapid growth of the older adult population, an underlying growth of public health concern is also seen. Various technologies were developed to help mitigate the arising problems of older adults with cognitive impairment and the improvement of their cognitive functions. This scooping review used the Joanna Briggs Institute (JBI) and the PRISMA extension for scoping reviews. The eligibility criteria were defined using the Population, Concept, Context (PCC) framework, as described in the JBI’s Reviewers Manual (Peters et al.,2020). The population of interest for this review is older adults 65 years old or older. Studies involving monitoring technology devices utilized in caring with older adult with cognitive impairment. This scoping review has shown information that researchers are more focused on creating alternative and novel methods or technological devices and use these as a tool for designing interventions depending on the data of the patient. This study has shown the type of technologies that have been explored in terms of assessing, detecting, monitoring, and interventions for cognitive impairment. Thus, there is a need for this technology to be applied in the practical field to further strengthen the evidence that it could enhance the lives of older adults. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=technology%20devices" title="technology devices">technology devices</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20impairment" title=" cognitive impairment"> cognitive impairment</a>, <a href="https://publications.waset.org/abstracts/search?q=older%20adult" title=" older adult"> older adult</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing%20care" title=" nursing care"> nursing care</a>, <a href="https://publications.waset.org/abstracts/search?q=caring" title=" caring"> caring</a> </p> <a href="https://publications.waset.org/abstracts/160789/scooping-review-towards-different-use-of-monitoring-technology-devices-in-caring-with-older-adults-with-cognitive-impairment-a-model-for-nursing-care-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160789.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">123</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">215</span> Development of Fuzzy Logic and Neuro-Fuzzy Surface Roughness Prediction Systems Coupled with Cutting Current in Milling Operation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20C.%20Chen">Joseph C. Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Venkata%20Mohan%20Kudapa"> Venkata Mohan Kudapa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Development of two real-time surface roughness (Ra) prediction systems for milling operations was attempted. The systems used not only cutting parameters, such as feed rate and spindle speed, but also the cutting current generated and corrected by a clamp type energy sensor. Two different approaches were developed. First, a fuzzy inference system (FIS), in which the fuzzy logic rules are generated by experts in the milling processes, was used to conduct prediction modeling using current cutting data. Second, a neuro-fuzzy system (ANFIS) was explored. Neuro-fuzzy systems are adaptive techniques in which data are collected on the network, processed, and rules are generated by the system. The inference system then uses these rules to predict Ra as the output. Experimental results showed that the parameters of spindle speed, feed rate, depth of cut, and input current variation could predict Ra. These two systems enable the prediction of Ra during the milling operation with an average of 91.83% and 94.48% accuracy by FIS and ANFIS systems, respectively. Statistically, the ANFIS system provided better prediction accuracy than that of the FIS system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title="surface roughness">surface roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=input%20current" title=" input current"> input current</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic" title=" fuzzy logic"> fuzzy logic</a>, <a href="https://publications.waset.org/abstracts/search?q=neuro-fuzzy" title=" neuro-fuzzy"> neuro-fuzzy</a>, <a href="https://publications.waset.org/abstracts/search?q=milling%20operations" title=" milling operations"> milling operations</a> </p> <a href="https://publications.waset.org/abstracts/105245/development-of-fuzzy-logic-and-neuro-fuzzy-surface-roughness-prediction-systems-coupled-with-cutting-current-in-milling-operation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105245.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">214</span> Possible Protective Role of Angiotensin II Antagonist on Bacterial Endotoxin Induced Acute Lung Injury: Morphological Study on Adult Male Albino Rat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Bakry%20Mohamed%20Ali">Mohamed Bakry Mohamed Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ehab%20El-Din%20Mustafa"> Mohamed Ehab El-Din Mustafa</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Naiem%20Sabet%20Aziz"> Joseph Naiem Sabet Aziz</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20Mahmoud%20Ali%20Kaooh"> Sarah Mahmoud Ali Kaooh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Acute lung injury (ALI) is one of the major challenges in intensive care medicine. The most common extrapulmonary cause of ALI is sepsis, accounting more than 30% of the cases in humans. Lipopolysaccharide (LPS) has gained wide acceptance as a clinically relevant model of ALI. Lipopolysaccharide is a glycoprotein forming the major constituent of bacterial endotoxin. Losartan is angiotensin II type 1 (AT1) receptor antagonists. It is widely used for management of hypertension. It was recently suggested that losartan protects against septic ALI. It would thereby prevent LPS-induced ALI. Aim of the work and design of the experiment: This work investigated the injurious effect of lipopolysaccharide (LPS) and ALI on adult male albino rat at 24 hours and 14 days of LPS administration and the possible protective role of losartan pretreatment. LPS has deteriorated animal survival and behavior. It increased lung weight and induced lung histological damage. These changes could be much reduced by the losartan pretreatment. Conclusion: Administration of losartan before LPS could largely reduce these LPS/ ALI induced short and long term alterations. It could be recommended that patients susceptible to developing ALI, as in ICU, should receive a protective dose of angitensin II type 1 (AT1) receptor blocker as losartan. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20lung%20injury%20%28ALI%29" title="acute lung injury (ALI)">acute lung injury (ALI)</a>, <a href="https://publications.waset.org/abstracts/search?q=lipopolysaccharide%20%28LPS%29" title=" lipopolysaccharide (LPS)"> lipopolysaccharide (LPS)</a>, <a href="https://publications.waset.org/abstracts/search?q=losartan" title=" losartan "> losartan </a> </p> <a href="https://publications.waset.org/abstracts/24421/possible-protective-role-of-angiotensin-ii-antagonist-on-bacterial-endotoxin-induced-acute-lung-injury-morphological-study-on-adult-male-albino-rat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24421.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">607</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">213</span> A Study on Ideals and Prime Ideals of Sub-Distributive Semirings and Its Applications to Symmetric Fuzzy Numbers </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rosy%20Joseph">Rosy Joseph</a> </p> <p class="card-text"><strong>Abstract:</strong></p> From an algebraic point of view, Semirings provide the most natural generalization of group theory and ring theory. In the absence of additive inverse in a semiring, one had to impose a weaker condition on the semiring, i.e., the additive cancellative law to study interesting structural properties. In many practical situations, fuzzy numbers are used to model imprecise observations derived from uncertain measurements or linguistic assessments. In this connection, a special class of fuzzy numbers whose shape is symmetric with respect to a vertical line called the symmetric fuzzy numbers i.e., for α ∈ (0, 1] the α − cuts will have a constant mid-point and the upper end of the interval will be a non-increasing function of α, the lower end will be the image of this function, is suitable. Based on this description, arithmetic operations and a ranking technique to order the symmetric fuzzy numbers were dealt with in detail. Wherein it was observed that the structure of the class of symmetric fuzzy numbers forms a commutative semigroup with cancellative property. Also, it forms a multiplicative monoid satisfying sub-distributive property.In this paper, we introduce the algebraic structure, sub-distributive semiring and discuss its various properties viz., ideals and prime ideals of sub-distributive semiring, sub-distributive ring of difference etc. in detail. Symmetric fuzzy numbers are visualized as an illustration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=semirings" title="semirings">semirings</a>, <a href="https://publications.waset.org/abstracts/search?q=subdistributive%20ring%20of%20difference" title=" subdistributive ring of difference"> subdistributive ring of difference</a>, <a href="https://publications.waset.org/abstracts/search?q=subdistributive%20semiring" title=" subdistributive semiring"> subdistributive semiring</a>, <a href="https://publications.waset.org/abstracts/search?q=symmetric%20fuzzy%20numbers" title=" symmetric fuzzy numbers"> symmetric fuzzy numbers</a> </p> <a href="https://publications.waset.org/abstracts/84413/a-study-on-ideals-and-prime-ideals-of-sub-distributive-semirings-and-its-applications-to-symmetric-fuzzy-numbers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84413.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">212</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">212</span> Attempt Survivor Families’ Views on Criminalizing Attempted Suicide in Ghana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Osafo">Joseph Osafo</a>, <a href="https://publications.waset.org/abstracts/search?q=Winifred%20Asare-Doku"> Winifred Asare-Doku</a>, <a href="https://publications.waset.org/abstracts/search?q=Charity%20Akotia"> Charity Akotia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Decriminalizing suicide is one of the major goals of suicide prevention worldwide. In Ghana, suicide is legally prescribed and there is a wide-spread societal condemnation of the act, the survivor and families share the stigma. Evidence and advocacy continue to mount towards pressuring the government, the legal fraternity and lawmakers to consider decriminalizing the act. However, within this discourse, the views of families of attempt survivors are absent. The purpose of this study was to explore from relatives of suicide attempters their reactions towards the criminality of suicide attempt in the country. A total of 10 relatives of suicide attempters were interviewed using a semi-structured interview guide. Thematic analysis was used to analyze the data. We found that there were divergent views from families on decriminalizing suicide. We generated two major themes; Out-group bias versus In-group bias. Half of the participants opined that suicide attempt should not be decriminalized and others advocated for help and mental health care for victims of the suicide attempt. It was generally observed that although all 10 participants were cognizant that suicide attempt is a crime in Ghana, they preferred their relatives were spared from prosecution. The findings indicate incongruity, especially when participants want their relatives to avoid jail term but want the law that criminalizes suicide to remain. Findings are explained using the Fundamental Attribution Error and the concept of Kin selection. Implications for public education on decriminalization and advocacy are addressed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decriminalization" title="decriminalization">decriminalization</a>, <a href="https://publications.waset.org/abstracts/search?q=families" title=" families"> families</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghana%20suicide" title=" Ghana suicide"> Ghana suicide</a>, <a href="https://publications.waset.org/abstracts/search?q=suicide%20attempt" title=" suicide attempt"> suicide attempt</a> </p> <a href="https://publications.waset.org/abstracts/85626/attempt-survivor-families-views-on-criminalizing-attempted-suicide-in-ghana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85626.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">519</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">211</span> Using Surface Entropy Reduction to Improve the Crystallization Properties of a Recombinant Antibody Fragment RNA Crystallization Chaperone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christina%20Roman">Christina Roman</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepak%20Koirala"> Deepak Koirala</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20A.%20Piccirilli"> Joseph A. Piccirilli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phage displaying synthetic Fab libraries have been used to obtain Fabs that bind to specific RNA targets with high affinity and specificity. These Fabs have been demonstrated to facilitate RNA crystallization. However, the antibody framework used in the construction of these phage display libraries contains numerous bulky, flexible, and charged residues, which facilitate solubility and hinder aggregation. These residues can interfere with crystallization due to the entropic cost associated with burying them within crystal contacts. To systematically reduce the surface entropy of the Fabs and improve their crystallization properties, a protein engineering strategy termed surface entropy reduction (SER) is being applied to the Fab framework. In this approach, high entropy residues are mutated to smaller ones such as alanine or serine. Focusing initially on Fab BL3-6, which binds an RNA AAACA pentaloop with 20nM affinity, the SER P server (http://services.mbi.ucla.edu/SER/) was used and analysis was performed on existing RNA-Fab BL3-6 co-crystal structures. From this analysis twelve surface entropy reduced mutants were designed. These SER mutants were expressed and are now being measured for their crystallization and diffraction performance with various RNA targets. So far, one mutant has generated 3.02 angstrom diffraction with the yjdF riboswitch RNA. Ultimately, the most productive mutations will be combined into a new Fab framework to be used in a optimized phage displayed Fab library. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibody%20fragment" title="antibody fragment">antibody fragment</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallography" title=" crystallography"> crystallography</a>, <a href="https://publications.waset.org/abstracts/search?q=RNA" title=" RNA"> RNA</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20entropy%20reduction" title=" surface entropy reduction"> surface entropy reduction</a> </p> <a href="https://publications.waset.org/abstracts/104332/using-surface-entropy-reduction-to-improve-the-crystallization-properties-of-a-recombinant-antibody-fragment-rna-crystallization-chaperone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104332.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">196</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">210</span> Simulation of Hydrogenated Boron Nitride Nanotube’s Mechanical Properties for Radiation Shielding Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20E.%20Estevez">Joseph E. Estevez</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Ghazizadeh"> Mahdi Ghazizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20G.%20Ryan"> James G. Ryan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ajit%20D.%20Kelkar"> Ajit D. Kelkar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radiation shielding is an obstacle in long duration space exploration. Boron Nitride Nanotubes (BNNTs) have attracted attention as an additive to radiation shielding material due to B10’s large neutron capture cross section. The B10 has an effective neutron capture cross section suitable for low energy neutrons ranging from 10-5 to 104 eV and hydrogen is effective at slowing down high energy neutrons. Hydrogenated BNNTs are potentially an ideal nanofiller for radiation shielding composites. We use Molecular Dynamics (MD) Simulation via Material Studios Accelrys 6.0 to model the Young’s Modulus of Hydrogenated BNNTs. An extrapolation technique was employed to determine the Young’s Modulus due to the deformation of the nanostructure at its theoretical density. A linear regression was used to extrapolate the data to the theoretical density of 2.62g/cm3. Simulation data shows that the hydrogenated BNNTs will experience a 11% decrease in the Young’s Modulus for (6,6) BNNTs and 8.5% decrease for (8,8) BNNTs compared to non-hydrogenated BNNT’s. Hydrogenated BNNTs are a viable option as a nanofiller for radiation shielding nanocomposite materials for long range and long duration space exploration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boron%20nitride%20nanotube" title="boron nitride nanotube">boron nitride nanotube</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation%20shielding" title=" radiation shielding"> radiation shielding</a>, <a href="https://publications.waset.org/abstracts/search?q=young%20modulus" title=" young modulus"> young modulus</a>, <a href="https://publications.waset.org/abstracts/search?q=atomistic%20modeling" title=" atomistic modeling"> atomistic modeling</a> </p> <a href="https://publications.waset.org/abstracts/1517/simulation-of-hydrogenated-boron-nitride-nanotubes-mechanical-properties-for-radiation-shielding-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1517.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">209</span> A Two-Pronged Truncated Deferred Sampling Plan for Log-Logistic Distribution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Braimah%20Joseph%20Odunayo">Braimah Joseph Odunayo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiju%20Gillariose"> Jiju Gillariose</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is aimed at developing a sampling plan that uses information from precedent and successive lots for lot disposition with a pretention that the life-time of a particular product assumes a Log-logistic distribution. A Two-pronged Truncated Deferred Sampling Plan (TTDSP) for Log-logistic distribution is proposed when the testing is truncated at a precise time. The best possible sample sizes are obtained under a given Maximum Allowable Percent Defective (MAPD), Test Suspension Ratios (TSR), and acceptance numbers (c). A formula for calculating the operating characteristics of the proposed plan is also developed. The operating characteristics and mean-ratio values were used to measure the performance of the plan. The findings of the study show that: Log-logistic distribution has a decreasing failure rate; furthermore, as mean-life ratio increase, the failure rate reduces; the sample size increase as the acceptance number, test suspension ratios and maximum allowable percent defective increases. The study concludes that the minimum sample sizes were smaller, which makes the plan a more economical plan to adopt when cost and time of production are costly and the experiment being destructive. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=consumers%20risk" title="consumers risk">consumers risk</a>, <a href="https://publications.waset.org/abstracts/search?q=mean%20life" title=" mean life"> mean life</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20sample%20size" title=" minimum sample size"> minimum sample size</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20characteristics" title=" operating characteristics"> operating characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=producers%20risk" title=" producers risk"> producers risk</a> </p> <a href="https://publications.waset.org/abstracts/127830/a-two-pronged-truncated-deferred-sampling-plan-for-log-logistic-distribution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127830.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">140</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">208</span> Stabilizing Effects of Deep Eutectic Solvents on Alcohol Dehydrogenase Mediated Systems </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatima%20Zohra%20Ibn%20Majdoub%20Hassani">Fatima Zohra Ibn Majdoub Hassani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20Lavandera"> Ivan Lavandera</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Kreit"> Joseph Kreit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study explored the effects of different organic solvents, temperature, and the amount of glycerol on the alcohol dehydrogenase (ADH)-catalysed stereoselective reduction of different ketones. These conversions were then analyzed by gas chromatography. It was found that when the amount of deep eutectic solvents (DES) increases, it can improve the stereoselectivity of the enzyme although reducing its ability to convert the substrate into the corresponding alcohol. Moreover, glycerol was found to have a strong stabilizing effect on the ADH from <em>Ralstonia</em> sp. (<em>E. coli</em>/ RasADH). In the case of organic solvents, it was observed that the best conversions into the alcohols were achieved with DMSO and hexane. It was also observed that temperature decreased the ability of the enzyme to convert the substrates into the products and also affected the selectivity. In addition to that, the recycling of DES up to three times gave good conversions and enantiomeric excess results and glycerol showed a positive effect in the stability of various ADHs. Using RasADH, a good conversion and enantiomeric excess into the <em>S</em>-alcohol were obtained. It was found that an enhancement of the temperature disabled the stabilizing effect of glycerol and decreased the stereoselectivity of the enzyme. However, for other ADHs a temperature increase had an opposite positive effect, especially with ADH-T from <em>Thermoanaerobium </em>sp. One of the objectives of this study was to see the effect of cofactors such as NAD(P) on the biocatlysis activities of ADHs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alcohol%20dehydrogenases" title="alcohol dehydrogenases">alcohol dehydrogenases</a>, <a href="https://publications.waset.org/abstracts/search?q=DES" title=" DES"> DES</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography" title=" gas chromatography"> gas chromatography</a>, <a href="https://publications.waset.org/abstracts/search?q=RasADH" title=" RasADH"> RasADH</a> </p> <a href="https://publications.waset.org/abstracts/55787/stabilizing-effects-of-deep-eutectic-solvents-on-alcohol-dehydrogenase-mediated-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55787.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">193</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">207</span> Optimization of Surface Roughness in Additive Manufacturing Processes via Taguchi Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anjian%20Chen">Anjian Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20C.%20Chen"> Joseph C. Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studies a case where the targeted surface roughness of fused deposition modeling (FDM) additive manufacturing process is improved. The process is designing to reduce or eliminate the defects and improve the process capability index Cp and Cpk for an FDM additive manufacturing process. The baseline Cp is 0.274 and Cpk is 0.654. This research utilizes the Taguchi methodology, to eliminate defects and improve the process. The Taguchi method is used to optimize the additive manufacturing process and printing parameters that affect the targeted surface roughness of FDM additive manufacturing. The Taguchi L9 orthogonal array is used to organize the parameters' (four controllable parameters and one non-controllable parameter) effectiveness on the FDM additive manufacturing process. The four controllable parameters are nozzle temperature [°C], layer thickness [mm], nozzle speed [mm/s], and extruder speed [%]. The non-controllable parameter is the environmental temperature [°C]. After the optimization of the parameters, a confirmation print was printed to prove that the results can reduce the amount of defects and improve the process capability index Cp from 0.274 to 1.605 and the Cpk from 0.654 to 1.233 for the FDM additive manufacturing process. The final results confirmed that the Taguchi methodology is sufficient to improve the surface roughness of FDM additive manufacturing process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacturing" title="additive manufacturing">additive manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=fused%20deposition%20modeling" title=" fused deposition modeling"> fused deposition modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title=" surface roughness"> surface roughness</a>, <a href="https://publications.waset.org/abstracts/search?q=six-sigma" title=" six-sigma"> six-sigma</a>, <a href="https://publications.waset.org/abstracts/search?q=Taguchi%20method" title=" Taguchi method"> Taguchi method</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title=" 3D printing"> 3D printing</a> </p> <a href="https://publications.waset.org/abstracts/89931/optimization-of-surface-roughness-in-additive-manufacturing-processes-via-taguchi-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89931.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">394</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">206</span> Histochemical Localization of Hepatitis B Surface Antigen in Hepatocellular Carcinoma: An Evaluation of Two Staining Techniques in a Tertiary Hospital in Calabar, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imeobong%20Joseph%20Inyang">Imeobong Joseph Inyang</a>, <a href="https://publications.waset.org/abstracts/search?q=Aniekan-Augusta%20Okon%20Eyo"> Aniekan-Augusta Okon Eyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Abel%20William%20Essien"> Abel William Essien</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hepatitis B virus (HBV) is one of the known human carcinogens. The presence of HBsAg in liver tissues indicates active viral replication. More than 85% of Hepatocellular Carcinoma (HCC) cases occur in countries with increased rates of chronic HBV infection. An evaluation study to determine the relationship between positivity for HBsAg and development of HCC and its distribution between age and gender of subjects was done. Shikata Orcein and Haematoxylin and Eosin (H&E) staining techniques were performed on liver sections. A total of 50 liver tissue specimens comprising 38 biopsy and 12 post-mortem specimens were processed. Thirty-five of the 50 specimens were positive for HBsAg with Orcein stain whereas only 16 were positive with H&E stain, and these were also positive with Orcein stain, giving an HBsAg prevalence of 70.0% (35/50). The prevalence of HCC in the study was 56.0% (28/50), of which 21 (75.0%) cases were positive for HBsAg, 18 (64.3%) were males while 10 (35.7%) were females distributed within the age range of 20-70 years. The highest number of HBsAg positive HCC cases, 7/21 (33.3%) occurred in the age group 40-49 years. There was no relationship in the pattern of distribution of HCC between age and gender using the Pearson correlation coefficient (r = 0.0474; P < 0.05). HBV infection predisposed to HCC. Orcein technique was more specific and is therefore recommended for screening of liver tissues where facilities for immunohistochemistry are inaccessible. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hepatitis%20B.%20surface%20antigen" title="Hepatitis B. surface antigen">Hepatitis B. surface antigen</a>, <a href="https://publications.waset.org/abstracts/search?q=hepatocellular%20carcinoma" title=" hepatocellular carcinoma"> hepatocellular carcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=orcein" title=" orcein"> orcein</a>, <a href="https://publications.waset.org/abstracts/search?q=pathology" title=" pathology"> pathology</a> </p> <a href="https://publications.waset.org/abstracts/6196/histochemical-localization-of-hepatitis-b-surface-antigen-in-hepatocellular-carcinoma-an-evaluation-of-two-staining-techniques-in-a-tertiary-hospital-in-calabar-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6196.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">313</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">205</span> Titanium Nitride Nanoparticles for Biological Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicole%20Nazario%20Bayon">Nicole Nazario Bayon</a>, <a href="https://publications.waset.org/abstracts/search?q=Prathima%20Prabhu%20Tumkur"> Prathima Prabhu Tumkur</a>, <a href="https://publications.waset.org/abstracts/search?q=Nithin%20Krisshna%20Gunasekaran"> Nithin Krisshna Gunasekaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishnan%20Prabhakaran"> Krishnan Prabhakaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20C.%20Hall"> Joseph C. Hall</a>, <a href="https://publications.waset.org/abstracts/search?q=Govindarajan%20T.%20Ramesh"> Govindarajan T. Ramesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Titanium nitride (TiN) nanoparticles have sparked interest over the past decade due to their characteristics such as thermal stability, extreme hardness, low production cost, and similar optical properties to gold. In this study, TiN nanoparticles were synthesized via a thermal benzene route to obtain a black powder of nanoparticles. The final product was drop cast onto conductive carbon tape and sputter coated with gold/palladium at a thickness of 4 nm for characterization by field emission scanning electron microscopy (FE-SEM) with energy dispersive X-Ray spectroscopy (EDX) that revealed they were spherical. ImageJ software determined the average size of the TiN nanoparticles was 79 nm in diameter. EDX revealed the elements present in the sample and showed no impurities. Further characterization by X-ray diffraction (XRD) revealed characteristic peaks of cubic phase titanium nitride, and crystallite size was calculated to be 14 nm using the Debye-Scherrer method. Dynamic light scattering (DLS) analysis revealed the size and size distribution of the TiN nanoparticles, with average size being 154 nm. Zeta potential concluded the surface of the TiN nanoparticles is negatively charged. Biocompatibility studies using MTT(3-(4,5-Dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide) assay showed TiN nanoparticles are not cytotoxic at low concentrations (2, 5, 10, 25, 50, 75 mcg/well), and cell viability began to decrease at a concentration of 100 mcg/well. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocompatibility" title="biocompatibility">biocompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxicity" title=" cytotoxicity"> cytotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=synthesis" title=" synthesis"> synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium%20nitride" title=" titanium nitride"> titanium nitride</a> </p> <a href="https://publications.waset.org/abstracts/147449/titanium-nitride-nanoparticles-for-biological-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147449.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">179</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Joseph%20Uche%20Azubike&page=4" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Joseph%20Uche%20Azubike&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Joseph%20Uche%20Azubike&page=2">2</a></li> <li class="page-item"><a class="page-link" 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