Browsing College of Arts & Sciences by Title
Now showing items 1114-1133 of 3281
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Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Mercury metal is released into water by different sources including sewage industrial waste, thus, it can enter human food chain. It is considered one of the most harmful pollutant of heavy metals since it is non-biodegradable, ... -
Fabrication of Si3n4@si@cu thin films by RF sputtering as high energy anode material for Li-ion batteries
( MDPI , 2021 , Article)Silicon and silicon nitride (Si3N4 ) are some of the most appealing candidates as anode materials for LIBs (Li-ion battery) due to their favorable characteristics: low cost, abundance of Si, and high theoretical capacity. ... -
Facile Assembly of Aligned Magnetic Nanoparticle Chains in Polymer Nanocomposite Films by Magnetic Flow Coating
( American Chemical Society , 2017 , Article)Magnetic nanoparticle chains are found in biosystems, such as in the brain of migratory birds. Inspired by natural assemblies, in a novel approach, the facile assembly of magnetically aligned polymer grafted cobalt ... -
Facile Microwave Synthesis of Hierarchical Porous Copper Oxide and Its Catalytic Activity and Kinetics for Carbon Monoxide Oxidation
( American Chemical Society , 2022 , Article)The synthesis of copper oxide (CuO)-based nanomaterials has received a tremendous deal of interest in recent years. Particularly, the design and development of novel CuO structures with improved physical and chemical ... -
Facile one-step synthesis of supportless porous AuPtPd nanocrystals as high performance electrocatalyst for glucose oxidation reaction
( Elsevier , 2020 , Article)Direct glucose fuel cells (DGFCs) received great interest due to non-toxicity, low cost, and renewability. Herein, we demonstrated the synthesis of novel porous AuPtPd nanocrystals (NCs) via plausible one-pot synthesis ... -
Facile Synthesis of Crystalline Nanoporous GaN Templated by Nitrogen Enriched Mesoporous Carbon Nitride for Friedel-Crafts Reaction
( Wiley-Blackwell , 2016 , Article)Highly crystalline nanoporous GaN (NP-GaN) materials have been synthesized for the first time by the transformation of novel diamino tetrazine based mesoporous carbon nitride (MCN-4) having very high nitrogen content (N/C ... -
Facile synthesis of metal-polyphenol-formaldehyde coordination polymer colloidal nanoparticles with sub-50 nm for T1-weighted magnetic resonance imaging
( Elsevier B.V. , 2021 , Article)Plant polyphenol-based coordination polymers (CPs) with ultra-small particle size and tailorable compositions are highly desired in biomedical applications, but their synthesis is still challenging due to the sophisticated ... -
Facile Synthesis of Uniform Virus-like Mesoporous Silica Nanoparticles for Enhanced Cellular Internalization
( American Chemical Society , 2017 , Article)The low-efficiency cellular uptake property of current nanoparticles greatly restricts their application in the biomedical field. Herein, we demonstrate that novel virus-like mesoporous silica nanoparticles can easily be ... -
Factors affecting university image among graduate alumni: A case study of Qatar university
( Elsevier , 2022 , Article)Various factors influence the students' perception of universities and university image. This study explores five factors affecting university image among Graduate Alumni. Surveys, administered to 597 graduate alumni were ... -
Factors associated with depression and anxiety in the adult population of Qatar after the first COVID-19 wave: a cross-sectional study
( springer , 2021 , Article)There is limited data from Arabic-speaking countries on risk factors for depression and anxiety during the COVID-19 pandemic. Country-specific data is necessary given differences in culture, demographics, and COVID-19 ... -
Factors underlying risk taking in heroin-dependent individuals: Feedback processing and environmental contingencies
( Elsevier B.V. , 2018 , Article)Evidence suggests that factors influencing risk-taking include whether decisions are made based on emotions (affective systems) or cognitions (deliberative systems), the processing of feedback (e.g., deciding to attend a ... -
False Memory in Adults With ADHD: A Comparison Between Subtypes and Normal Controls
( SAGE Publications Inc. , 2017 , Article)Objectives: To examine the performance on the Deese-Roediger-McDermott task of adults divided into ADHD subtypes and compares their performance to that of healthy controls to examine whether adults with ADHD are more ... -
Fast and Accurate Computation of the Logarithmic Capacity of Compact Sets
( Springer Berlin Heidelberg , 2017 , Article)We present a numerical method for computing the logarithmic capacity of compact subsets of C, which are bounded by Jordan curves and have finitely connected complement. The subsets may have several components and need not ... -
Fast and Scalable Synthesis of LiNi0.5Mn1.5O4 Cathode by Sol-Gel-Assisted Microwave Sintering
( John Wiley and Sons Inc , 2021 , Article)High-voltage spinel LiNi0.5Mn1.5O4 (LNMO) is a promising cathode material for high-energy-density and high-power-density lithium-ion batteries (LIBs). The high cost of the currently available LIBs needs to be addressed ... -
Fasting and its impact on skin anatomy, physiology, and physiopathology: A comprehensive review of the literature
( MDPI AG , 2019 , Article)Skin serves as the first protective line and barrier of the body. Like many other organs, skin can be affected by several disorders in response to external factors such as pathogens, ultraviolet light, and pollution, as ... -
Fate of accidental symmetries of the relativistic hydrogen atom in a spherical cavity
( Elsevier Masson , 2015 , Article)The non-relativistic hydrogen atom enjoys an accidental SO(4) symmetry, that enlarges the rotational SO(3) symmetry, by extending the angular momentum algebra with the Runge–Lenz vector. In the relativistic hydrogen atom ... -
Fatty acid composition of twelve algae from the Coastal Zones of Qatar
( Kluwer Academic Publishers , 1997 , Article)Fatty acid composition of twelve algal species from two different classes were determined. Three Chlorophyta species(Axetabularia calyxulux, Cladophors sericoides and Dictyosphaeria cavernosa) and nine Phaephyta species ... -
Fatty acids composition of Fifty-one plant species growing in Qatar
(2004 , Article)Fatty acids and lipids composition of fifty one species growing in Qatar belonging to twenty one families and forty three genera are reported -
Fatwa on Sattelite TV and the development of islamic Religious discourse
( Intellect , 2017 , Article)Satellite TV and the Internet revolutions have reinvigorated religious discourse in public spaces. Across the world, religious TV channels and Internet religious websites have taken up the roles of traditional religious ... -
Fear of being infected with COVID-19 virus among the medical social workers and its relationship to their future orientation
( Frontiers Media , 2022 , Article)COVID-19 has been studied extensively for its direct effects on healthcare workers. Despite this, very little is known about the effect of COVID-19 fear on future orientation. Studying medical social workers’ fear of being ...