Search results for: Zakiah Jubri

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Jubri</title> <meta name="description" content="Search results for: Zakiah Jubri"> <meta name="keywords" content="Zakiah Jubri"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Zakiah Jubri"> <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> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Zakiah Jubri</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Effect of Nigella sativa on Blood Pressure, Vascular Reactivity, Inflammatory Biomarkers and Nitric Oxide in L-Name-Induced Hypertensive Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamsiah%20Jaarin">Kamsiah Jaarin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusof%20Kamisah"> Yusof Kamisah</a>, <a href="https://publications.waset.org/abstracts/search?q=Faizah%20Othman%20Nurul%20Akmal%20Muhammad"> Faizah Othman Nurul Akmal Muhammad</a>, <a href="https://publications.waset.org/abstracts/search?q=Zakiah%20Jubri"> Zakiah Jubri</a>, <a href="https://publications.waset.org/abstracts/search?q=Qodriyah%20Mohd%20Saad"> Qodriyah Mohd Saad</a>, <a href="https://publications.waset.org/abstracts/search?q=Srijit%20Das"> Srijit Das</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Forty (40) normotensive adult male Sprague-Dawley rats aged three months weighing 180-200 g were divided into 4 groups with 10 rats per group: (1) normotensive control; (2) hypertensive rats; (3) hypertensive rats treated with Nigella sativa (2.5 ml/kg/day); and (4) hypertensive rats treated with nicardipine (5 mg/kg/day). After acclimatization, the hypertensive rats of the group 2, 3 and 4 were induced to be hypertensive by giving NW鈥搉itro-L-arginine methyl ester (L-NAME; 30 mg/kg/day) in their drinking water for consecutive 7 days. After one week, rats in the group 3 were given a daily oral dose of 2.5 ml/kg/day of Nigella sativa (NS) by oral gavage. Rats in the group 4 were given nicardipine (5 mg/kg/day) via oral gavages. All rats in this study received L-NAME continuously throughout the treatment duration. The blood pressure will be measured pre-treatment and weekly for 8 weeks using power lab. Blood was taken before and at the end of study for measurement of nitric oxide. At the end of 8 weeks, the rats are sacrificed and descending thoracic aorta was disserted for measurement of vascular reactivity, and intracellular adhesion molecules (ICAM-1) and vascular cell adhesion molecules (VCAM-1). Nigella sativa reduced both systolic and diastolic BP compared to control and L-name group. The BP lowering effect of NS was comparable to nicardipine a calcium antagonist. The blood pressure lowering effect of NS was accompanied with an increasing relaxation response to nitroprusside and acetylcholine and reducing vasoconstriction response to epinephrine. L-NAME and nicardipine on the other hand, reduced plasma nitric oxide concentration. In contrast, NS increased NO concentration. However, Nigella sativa had no significant effect on aortic VCAM- 1 and ICAM-1 expression. In conclusion; Nigella sativa oil reduces both systolic and diastolic blood pressure in L-NAME treated rats. The antihypertensive effect of NS was comparable to nicardipine. The BP lowering effect may be mediated via stimulating nitric oxide release from vascular endothelium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nigella%20sativa" title="Nigella sativa">Nigella sativa</a>, <a href="https://publications.waset.org/abstracts/search?q=ICAM" title=" ICAM"> ICAM</a>, <a href="https://publications.waset.org/abstracts/search?q=VCAM" title=" VCAM"> VCAM</a>, <a href="https://publications.waset.org/abstracts/search?q=blood%20pressure" title=" blood pressure"> blood pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20reactivity" title=" vascular reactivity"> vascular reactivity</a> </p> <a href="https://publications.waset.org/abstracts/8889/effect-of-nigella-sativa-on-blood-pressure-vascular-reactivity-inflammatory-biomarkers-and-nitric-oxide-in-l-name-induced-hypertensive-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8889.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">419</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Identification of Cellulose-Hydrolytic Thermophiles Isolated from Sg. Klah Hot Spring Based on 16S rDNA Gene Sequence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20J.%20Norashirene">M. J. Norashirene</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Zakiah"> Y. Zakiah</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Nurdiana"> S. Nurdiana</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Nur%20Hilwani"> I. Nur Hilwani</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Siti%20Khairiyah"> M. H. Siti Khairiyah</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20J.%20Muhamad%20Arif"> M. J. Muhamad Arif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, six bacterial isolates of a slightly thermophilic organism from the Sg. Klah hot spring, Malaysia were successfully isolated and designated as M7T55D1, M7T55D2, M7T55D3, M7T53D1, M7T53D2 and M7T53D3 respectively. The bacterial isolates were screened for their cellulose hydrolytic ability on Carboxymethlycellulose agar medium. The isolated bacterial strains were identified morphologically, biochemically and molecularly with the aid of 16S rDNA sequencing. All of the bacteria showed their optimum growth at a slightly alkaline pH of 7.5 with a temperature of 55掳C. All strains were Gram-negative, non-spore forming type, strictly aerobic, catalase-positive and oxidase-positive with the ability to produce thermostable cellulase. Based on BLASTn results, bacterial isolates of M7T55D2 and M7T53D1 gave the highest homology (97%) with similarity to Tepidimonas ignava while isolates M7T55D1, M7T55D3, M7T53D2 and M7T53D3 showed their closest homology (97%-98%) with Tepidimonas thermarum. These cellulolytic thermophiles might have a commercial potential to produce valuable thermostable cellulase. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellulase" title="cellulase">cellulase</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulolytic" title=" cellulolytic"> cellulolytic</a>, <a href="https://publications.waset.org/abstracts/search?q=thermophiles" title=" thermophiles"> thermophiles</a>, <a href="https://publications.waset.org/abstracts/search?q=16S%20rDNA%20gene" title=" 16S rDNA gene"> 16S rDNA gene</a> </p> <a href="https://publications.waset.org/abstracts/13039/identification-of-cellulose-hydrolytic-thermophiles-isolated-from-sg-klah-hot-spring-based-on-16s-rdna-gene-sequence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13039.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">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Heat Treatment on Malaysian Hardwood Timbers: The Effect of Heat Exposure at Different Levels of Temperature on Bending Strength Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nur%20Ilya%20Farhana%20Md%20Noh">Nur Ilya Farhana Md Noh</a>, <a href="https://publications.waset.org/abstracts/search?q=Zakiah%20Ahmad"> Zakiah Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heat treatment on timbers is a process of applying heat to modify and equip the timbers with new improvised characteristics. It is environmental friendly compared to the common practice of treating timber by chemical preservatives. Malaysian hardwood timbers; Pauh Kijang and Kapur in green condition were heat treated at 150掳C, 170掳C, 190掳C and 210掳C in a specially design electronic furnace in one hour duration. The objectives were to determine the effect of heat treatment on bending strength properties of heat treated Pauh Kijang and Kapur in term of Modulus of Elasticity (MOE) and Modulus of Rupture (MOR) and to examine the significance changes at each temperature levels applied. Untreated samples for each species were used as a control sample. The results indicated that the bending strength properties for both species of timbers were affected by the heat exposure. Both MOE and MOR values for heat treated Pauh Kijang were increased when subjected to the specified temperature levels except at 210掳C. The values were dropped compared to the control sample and sample treated at 190掳C. Heat treated Kapur shows the same pattern of increment on its MOE and MOR values after exposure to heat at three temperature levels used and the values dropped at 210掳C. However, differ to Pauh Kijang, even though there were decrement occurred at 210掳C but the value is still higher compared to the control sample. The increments of MOE and MOR values are an indicator that heat treatment had successfully improvised the bending strength properties of these two species of hardwood timber. As the good strength of Malaysian timbers used as structural material is limited in numbers and expensive, heat treating timber with low strength properties is an alternative way to overcome this issue. Heat treatment is an alternative method need to be explored and made available in Malaysia as this country is still practicing chemical preservative treatment on the timbers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bending%20strength" title="bending strength">bending strength</a>, <a href="https://publications.waset.org/abstracts/search?q=hardwood%20timber" title=" hardwood timber"> hardwood timber</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20treatment" title=" heat treatment"> heat treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=modulus%20of%20elasticity%20%28MOE%29" title=" modulus of elasticity (MOE)"> modulus of elasticity (MOE)</a>, <a href="https://publications.waset.org/abstracts/search?q=modulus%20of%20rupture%20%28MOR%29" title=" modulus of rupture (MOR)"> modulus of rupture (MOR)</a> </p> <a href="https://publications.waset.org/abstracts/68941/heat-treatment-on-malaysian-hardwood-timbers-the-effect-of-heat-exposure-at-different-levels-of-temperature-on-bending-strength-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68941.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">263</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th 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Search results for: Zakiah Jubri