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السجلات المعروضة 1120 -- 1139 من 3321
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Fabrication and applications of nickel selenide
( Academic Press Inc. , 2019 , Article)This article presents synthetic strategies of different phases and morphologies of nickel selenide in terms of solid state reactions, solvothermal and hydrothermal processes, electrodeposition, precipitation reactions, ... -
Fabrication and characterization of flexible ruthenium oxide-loaded polyaniline/poly(vinyl alcohol) nanofibers
( Wiley , 2020 , Article)© 2020 Wiley Periodicals, Inc. Polyaniline/poly(vinyl alcohol)/ruthenium oxide (RuO2) composite nanofibers were produced by electrospinning technique. Hydrous ruthenium chloride was used as a precursor at different ... -
Fabrication and characterization of poly(vinyl alcohol)-Glycerol-Spinel ferrites flexible membranes
( John Wiley and Sons Inc. , 2019 , Article)Polymer membranes of ferrites nanoparticles, glycerol, and poly(vinyl alcohol) (PVA) were fabricated using a solution casting method. Spinel ferrites nanoparticles, CuFe2O4 or ZnFe2O4, and glycerol were used as dopants to ... -
Fabrication of fouling resistant Ti3C2Tx (MXene)/cellulose acetate nanocomposite membrane for forward osmosis application
( Elsevier Ltd , 2020 , Article)In this study, Ti3C2Tx (MXene) was used to enhance the fouling resistance of FO flat-thin film membranes. Mixed-matrix Ti3C2Tx (MXene)/ cellulose acetate (CA) membranes with different (wt%) loading of MXene were fabricated ... -
Fabrication of H2S gas sensors using ZnxCu1-xFe2O4 nanoparticles
( Springer , 2020 , Article)Spinel ferrite nanoparticles can be easily retrieved and utilized for multiple cycles due to their magnetic properties. In this work, nanoparticles of a ZnxCu1-xFe2O4 composition were synthesized by employing a sol–gel ... -
Fabrication of high-performance symmetric supercapacitor of graphene electrodes by tuning their electrochemical properties
( Elsevier Ltd , 2022 , Article)The electrochemical efficiency of a supercapacitor highly depends on the electrochemical properties of electrodes used in its fabrication. Herein, we synthesize highly efficient reduced graphene oxide (rGO) electrodes by ... -
Fabrication of selective gas sensors using Fe3O4 nanoparticles decorated with CuO
( Elsevier , 2022 , Article)Metal-oxide nanoparticles are regarded as favorable candidates for different device applications including gas sensors. Decoration of nanoparticles with smaller ones of different types enables taking advantage of the ... -
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 ...
