Browsing Research Units by Title
Now showing items 827-846 of 4992
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Computational analysis for non-invasive detection of stenosis in peripheral arteries.
( Elsevier , 2019 , Article)Atherosclerosis usually affects the entire cardiovascular system, including peripheral blood vessels. Peripheral arterial stenosis may indicate possible serious vascular disorders related to more vital organs. If peripheral ... -
Computational Analysis of Wall Shear Stress Patterns on Calcified and Bicuspid Aortic Valves : Focus on Radial and Coaptation Patterns
( MDPI , 2021 , Article)Calcification and bicuspid valve formation are important aortic valve disorders that disturb the hemodynamics and the valve function. The detailed analysis of aortic valve hemodynamics would lead to a better understanding ... -
Computational applications using data driven modeling in process Systems: A review
( Elsevier Ltd , 2023 , Other)Modeling and optimization of various processes enable more efficient operations and better planning activities for new process developments. With recent advances in computing power, data driven models, such as Machine ... -
Computational characterization of nitrogen-doped carbon nanotube functionalized by Fe adatom and Fe substituent for oxygen reduction reaction
( Elsevier B.V. , 2019 , Article)Herein we investigated how Fe-coordinated, N-doped carbon nanotubes (CNT) enhance oxygen reduction reaction (ORR) activity by comparatively studying CNT with different pyridinic and graphitic nitrogen ratios, “Fe-CNT-PA” ... -
Computational density functional theory study on the selective conversion of CO2 to formate on homogeneously and heterogeneously mixed CuFeO2 and CuO surfaces
( Elsevier B.V. , 2019 , Article)This study examines the reaction pathways for the selective conversion of CO2 to formate on the surface of mixed CuFeO2 and CuO (CFO) by employing density functional theory (DFT) calculation of the reaction energy and ... -
Computational fluid dynamics simulation of an Inert Particles Spouted Bed Reactor (IPSBR) system
( De Gruyter Open Ltd , 2020 , Article)A novel system for contacting gases and liquids, suitable for many applications involving gas-liquid contact such as CO2 capture and brine desalination, has been simulated and experimentally validated. The system comprises ... -
Computational Investigation of the Effect of Wall Thickness on Rupture Risk in Abdominal Aortic Aneurysms
( JAFM , 2020 , Article)Cardiovascular disorders are among the most important causes of sudden death and adult disability worldwide. Abdominal aortic aneurysm (AAA) is a critical clinical condition where the aorta dilates beyond 50% of its normal ... -
Computational Modeling of Blood Flow Hemodynamics for Biomechanical Investigation of Cardiac Development and Disease.
( MDPI , 2021 , Article)The heart is the first functional organ in a developing embryo. Cardiac development continues throughout developmental stages while the heart goes through a serious of drastic morphological changes. Previous animal experiments ... -
Computational Modeling of Motile Cilia-Driven Cerebrospinal Flow in the Brain Ventricles of Zebrafish Embryo.
( MDPI , 2022 , Article)Motile cilia are hair-like microscopic structures which generate directional flow to provide fluid transport in various biological processes. Ciliary beating is one of the sources of cerebrospinal flow (CSF) in brain ... -
Computational screening of known broad-spectrum antiviral small organic molecules for potential influenza HA stem inhibitors.
( Public Library of Science , 2018 , Article)With the emergence of new influenza virus strains that are resistant to current inhibitors such as oseltamivir (anti-neuraminidase (NA)) and amantadine (anti-M2 proton channel), influenza A viruses continue to be a serious ... -
Computational Screening of Potential Inhibitors of Desulfobacter postgatei for Pyrite Scale Prevention in Oil and Gas Wells
( American Chemical Society , 2021 , Article)Sulfate-reducing bacteria (SRB), such as Desulfobacter postgatei are found in oil wells. However, they lead to the release of hydrogen sulfide. This in turn leads to the iron sulfide scale formation (pyrite). ATP sulfurylase ... -
Computational studies for the effective electrical conductivity of copper powder filled LDPE/LLDPE composites
( National Institute of Science Communication and Information Resources , 2020 , Article)The effective electrical conductivity (EEC) of low density polyethylene (LDPE) and linear low density polyethylene (LLDPE) polymer composites filled with copper has been studied. The nonlinear behavior has been observed ... -
Concentration of pb, cu, zn and cd in the roadside soil of doha: Effect of traffic volume and season
( HARD , 2021 , Article)The concentration of copper (Cu), lead (Pb), zinc (Zn) and cadmium (Cd) in the roadside soil of Doha was evaluated. Three different roads were selected for the study namely, Mesrif street, Salwa road and Cornish street ... -
Concentration, composition and sources of PAHs in the coastal sediments of the exclusive economic zone (EEZ) of Qatar, Arabian Gulf
( Elsevier Ltd , 2014 , Article)Surface sediments were collected from sixteen locations in order to assess levels and sources of polycyclic aromatic hydrocarbons (PAHs) in sediments of Qatar exclusive economic zone (EEZ). Samples were analyzed for 16 ... -
Concentrations of essential and toxic elements and health risk assessment in brown rice from Qatari market
( Elsevier , 2022 , Article)Twenty-two brown rice varieties available in the Qatari market were analyzed for essential and toxic elements by ICP-MS. Found concentrations (µg/kg) were: As: 171 ± 78 (62–343), Cd: 42 ± 60 (4–253), Cr: 515 ± 69 (401–639), ... -
Conception, Implementation, and Integration of Heterogenous Information Technology Infrastructures in the Qatar Biobank
( Mary Ann Liebert , 2019 , Article)The overall goal of the Qatar Biobank (QBB) is to collect, manage, and distribute high-quality human biospecimens with appropriate clinical and/or research annotation and associated phenotypic data, aiming to be an important ... -
A Conceptual Framework of Customer Value Proposition of CCU-Formic Acid Product
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)This paper aims to develop a comprehensive conceptual framework of the customer value proposition of formic acid as an actual outcome of carbon capture and utilization (CCU) to support clean production and environmental ... -
Conceptual Process for Designing High- Technology Products: Case Study of a Litter-Collecting Robot
( IGI Global , 2019 , Book chapter)In this chapter, a systematic and practical design process and methodology is presented and applied to design a new high- technology product: a litter-collecting robot. Although considerable theoretical and practical models ... -
Concretizing green growth and sustainable business models in the water sector of Jordan
( MDPI AG , 2019 , Article)The green growth paradigm has gained much attention from various governments worldwide as a guiding strategy for national and sectoral growth strategies. There is, however, little knowledge on how to integrate green growth ... -
Concurrent adsorption of cationic and anionic dyes from environmental water on amine functionalized carbon
( IWA Publishing , 2020 , Article)Amine functionalized carbon (AFC) was synthesized from raw oil fly ash and later utilized it for simultaneous removal of methyl orange (MO) and rhodamine 6G (Rh6G) pollutant dyes from aqueous medium. AFC was analyzed through ...