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Qatar Foundation Annual Research Conference Proceedings Volume 2014 Issue 1
- Conference date: 18-19 Nov 2014
- Location: Qatar National Convention Center (QNCC), Doha, Qatar
- Volume number: 2014
- Published: 18 November 2014
121 - 140 of 480 results
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Synthesizing New Anodes From Qatalum's 1st Cut Spl
Authors: Abdullah Hani Holozadah, Aboubakr Abdullah, Mufeed Odeh and Chris Devadas,Aluminum industry produces hundreds of tons of spent pot lining (SPL) waste every year. SPL is classified into two types: 1st cut and 2nd cut. The 1st cut SPL which is the material under study in this work is mainly composed of graphite (~ 60%), ceramic material and Al metal (~ 10%). On contrary with the 2nd Cut SPL, there is a consensus that the 1st cut SPL is a hazardous material and must be treated before dumping it i Read More
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The Use Of Wireless Sensor Networks In Agricultute A Tool For A Sustainable Food Supply In The Arab World
More LessTHE USE OF WIRELESS SENSOR NETWORKS IN AGRICULTUTE A TOOL FOR A SUSTAINABLE FOOD SUPPLY IN THE ARAB WORLD In this paper some ideas of how to apply the technological advancement of the wireless sensor networks (WSN) in agriculture as a tool for food security is discussed. This will include some examples where the technology can be applied, what changes can this technology brings to the traditional farmin Read More
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Source Term Modeling Of Cryogenic Liquid Vapor Formation By Experimental Investigation - Evaporation Regime And Convection Effect
Authors: Asma Sadia, Waqas Nawaz, Tomasz Olewski and Luc VechotSafe handling, storage and transportation of Liquefied Natural Gas (LNG) has been the root concern in the process industry due to the growing demand for ecological and clean alternative energy namely natural gas. Due to economic advantages in transportation, natural gas is transported in the liquid form. This calls for a thorough research in LNG safety due to its hazardous flammability properties. The study of consequen Read More
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Role Of Aromatics In Synthetic Fuels
Authors: Muaz Selam, Wajdi Ahmed, Moiz Bohra, Hafis Mohamed, Rehan Hussain and Nimir ElbashirThis paper describes our investigation into the effects of adding aromatic compounds to synthetic aviation fuels on the performance of these fuels. The work was done as an undergraduate research (UREP) project and was an extension to our group's previous studies which were aimed at characterizing blends of conventional and synthetic aviation fuels [1] and identifying optimum paraffinic building blocks for SPK [2]. Aro Read More
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Fiberglass Casing And Tubing In Highly Corrosive Environments
More LessThe UER formation in the Dukhan Field, Qatar has an aquifer associated with it. The formation water and sour crude associated with the formation and aquifer lead to many corrosion-related problems, and casings are being replaced at an almost bi-annual rate. Our research proposal was to replace these with fiberglass casing and tubing. Any tubing and casing that is replaced would need to withstand similar pressures and te Read More
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Investigating New Imaging Modality: Magnetic Particle Imaging
Authors: Ahmed El Ghamrawy and Steven M. WrightMagnetic Particle Imaging (MPI) is a newly found imaging modality. It utilizes superparamagnetic materials as tracers in the blood stream to obtain very high resolutions. MPI promises to have high sensitivity, high spatial resolution and no radiation compared to other imaging modalities. Most commercially available MRI tracers (used for MPI for now) are all non-harmful when compared to Iodine (used for CT scan) and Gadolini Read More
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Screening Of Some Qatari Plant Extracts For Anti Fungal Activities Of Plant Pathogenic Fungi
Authors: Ibtihal Mohamed and Talaat AhmadThe present study aimed to evaluate the antifungal activity of three desert plants extracts grown naturally in Qatar: (Al-rayhan) Ocimum basilicum, Shafallah (Capparis spinosa) and Qwaif(Prosopis juliflora)to study their inhibitory effect against three pathogenic fungi: Aspergillus niger, Fusarium oxysporum and Giberella baccata. Samples were collected from Qatar University farm. Filter disk method was used for antagonistic stud Read More
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Dna Barcoding Of Lizards (reptilia, Squamata) Of Qatar
Recent rapid development in Qatar has brought awareness and recognition of the importance to catalogue, describe and preserve its biodiversity. Traditional methods of using morphological characteristics for species identification, although important, requires years of experience and is in need of complete specimens before identity is certain. Recent worldwide endeavor of DNA barcoding by using a segment of the mitocho Read More
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Bacteriophage Diversity In The Ecology Of Qatar
Authors: Umm-kulthum Ismail Umlai and Annette VincentThe Science Education Alliance (SEA) Phage Hunters Advancing Genomics and Evolutionary Science, or PHAGES, is a national initiative in the United States, funded by the Howard Hughes Medical Institute (HHMI) and led by Professor Graham Hatfull from the University of Pittsburgh. This project is built around the discovery and analysis of mycobacteriophages in the biodiversity of the United States. For the first time, this research is Read More
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New Hereditary Hearing Loss (hhl) Genes/mutations Identified By High Throughput Technologies In The Qatari Population
Objectives: Hereditary Hearing Loss (HHL) is a common genetic disorder accounting for at least 60% of prelingual deafness in children. The long tradition of consanguinity, which is widespread among populations of Arabian Peninsula, increases the prevalence of HHL. It is one of the most frequent causes for school failure in Qatar. GJB2 gene plays a worldwide major role in HHL recessive forms while in Qatar it has a minor Read More
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Metformin Reverses Glucose Starvation Induced Endoplasmic Reticulum Stress And Autophagy In The Microvascular Endothelium
Authors: Suparna Ghosh, Samson Mathews Samuel, Hong Ding and Christopher TriggleBackground and Objective: Diabetes Mellitus is associated with a higher incidence of myocardial infarction (MI) and poor prognosis in affected individuals; however, treatment with the oral hypoglycemic drug, metformin, is associated with a reduction in cardiovascular morbidity and mortality. A MI reduces oxygen delivery and results in nutrient/glucose starvation (GS) with micro-vascular endothelial cells (MECs) recei Read More
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Exercise Induced Changes In Erythrocyte Membrane Proteome
More than 30 years ago people have learned that exercise promotes oxidative damage in human tissues. Since then, our knowledge on exercise-induced free radical production and their effect has advanced markedly. In the beginning research has mainly focused on detrimental effects of exercise-induced free radical production (e.g. oxidation of macromolecules); however today a new era of redox biology exist that center Read More
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The Immune-related Role Of Braf In Melanoma
BACKGROUND. The existence of a dichotomy between immunologically active and quiescent phenotypes has been recently recognized in several types of cancer. The activation of a Th1 type of immune signature has been shown to confer better prognosis and likelihood to respond to immunotherapy. However, whether such dichotomy depends on the genetic make-up of individual cancers is not known yet. In melanom Read More
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Prevalence Of Conventional Versus Non-conventional Cardiovascular Risk Factors In Patients Following Percutaneous Coronary Intervention For Acute Coronary Syndrome
Authors: R. Jay Widmer, Mohamed Gomaa, Martin Reriani, Timothy Morgenthaler, Jassim Al Suwaidi and Amir LermanTraditional risk factors often fail to correlate with event incidence, thus there is a need for novel risk assessment in order to predict events and guide therapy in patients with acute coronary syndromes (ACS) following percutaneous coronary intervention (PCI). Peripheral endothelial dysfunction (PED) and obstructive sleep apnea (OSA) can both predict cardiovascular events, yet the prevalence of PED and OSA in pati Read More
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Infection Rates And Phylogenetic Analysis Of Hepatitis G Virus (hgv)/gb Virus C (gbv-c) Among Qatari Blood Donors
Background: A new immerging nonpathogenic single stranded human RNA virus known as GBV-C/HGV was discovered in 1995. Both GBV-C virus and HCV have similar genome, but they replicate in different cell types. The incidence of GBV-C infection has been studied worldwide, however, to our knowledge; no previous studies were conducted in Qatar, thus the objectives of this study are: (i) to determine the rate of GBV-C inf Read More
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"whole Exome Sequencing Of A Family With 3 Sibling Affected By Bicuspid Aortic Valve Disease"
Background: Bicuspid aortic valve (BAV) is the most common cardiac malformation affecting 1-2% people worldwide. Despite its high prevalence, the pathogenesis of BAV is largely undetermined, although gene mutations leading to alterations in cell migration and signal transduction, in conjunction with non-genetic factors such as blood flow during valvulogenesis, may contribute to its formation prenatally. Objective: The Read More
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Alterations Of The Tumor Microenvironment By Her-2-neu-induced Creb Activation And Localization And Hypoxia
Cancer incidence is rising fast in Qatar, including in particular breast cancer. The expression of the oncogenic protein HER-2/neu is associated with an aggressive phenotype, and agents targeting this molecule have been successful in prolonging survival of breast cancer patients. Despite treatment progresses, metastatic breast cancer is still a fatal condition, and mechanisms of HER-2/neu regulation/resistance are not full Read More
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Effects Of Rituximab On The Response To Influenza Vaccine In Complete Remission Lymphoma Patients
Hematological Malignancies (e.g., leukemia and lymphoma) are among the top 5 causes of cancer death in the Middle Eastern Countries, including Qatar, Kuwait and Saudi Arabia. The monoclonal antibody rituximab, directed at the CD20 antigen, has become an essential drug for the treatment of Non Hodgkin Lymphoma (NHL). Although transient B cells depletion frequently occurs after rituximab treatment, it usually resolves aft Read More
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Lifetime Prevalence Of Common Mental Disorders In Qatar: Using Who Composite International Diagnostic Interview (who-cidi)
Background: Mental Disorders, particularly Depression, are recognised as one of the biggest burden of disease worldwide. Two of the top three burdens of disease in Qatar are mental health related. Yet, there is scarcity of lifetime prevalence data available to understand the impact in this country. Aim: This study uses the WHO Composite International Diagnostic Interview (WHO-CIDI), to measure the lifetime prevalence of t Read More
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Characterization Of Circular Rnas In Ovarian Cancer
Authors: Ikhlak Ahmed, Thasni K. A. Azis, Eman K. Al-azwani, Yasmin Ali Mohamoud, Arash Rafii and Joel MalekNoncoding RNAs such as ribosomal RNAs (rRNA), transfer RNAs (tRNA) micro RNAs (miRNA), small interfering RNAs (siRNA) and long noncoding RNAs (lncRNA) are the dominant products of eukaryotic transcription and collectively represent more than 95% of total RNA of the cell. In addition to contributing as the core components of the translational machinery (rRNAs and tRNAs), these noncoding RNAs have been shown to b Read More
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