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Now showing items 671-680 of 3355
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), ...
Facile microwave-assisted synthesis of metal oxide CdO-CuO nanocomposite: Photocatalytic and antimicrobial enhancing properties
(
Elsevier GmbH
, 2020 , Article)
CdO-CuO nanocomposite was synthesized by a microwave-assisted process and examined by employing different spectroscopic methods. The cubic and monoclinic crystal structure of CdO and CuO, respectively, with crystallite ...
Bimetallic palladium-supported halloysite nanotubes for low temperature CO oxidation: Experimental and DFT insights
(
Elsevier B.V.
, 2019 , Article)
The design and fabrication of novel metal-supported catalysts for energy conversion and heterogeneous catalysis is a pivotal theme. Herein, we present the synthesis of bimetallic palladium nanoalloys supported on halloysite ...
Denaturing Gradient Gel Electrophoresis-Polymerase Chain Reaction Comparison of Chitosan Effects on Anaerobic Cultures of Broiler Cecal Bacteria and Salmonella Typhimurium.
(
Mary Ann Liebert
, 2018 , Article)
Enteropathogen colonization and product contamination are major poultry industry problems. The emergence of antibiotic resistance, and associated risks to human health, is limiting the use of antibiotics as first-line ...
Carbonization conditions influence the emission characteristics and the stability against photobleaching of nitrogen doped carbon dots
(
Royal Society of Chemistry
, 2017 , Article)
Carbon Dots (CDs), fabricated by hydrothermal bottom-up synthesis, are complex materials, whose optical properties are influenced by multiple factors. The presence of domains of conjugated sp2 carbon, which are formed upon ...
Highly exfoliated Ti3C2T: XMXene nanosheets atomically doped with Cu for efficient electrochemical CO2reduction: An experimental and theoretical study
(
Royal Society of Chemistry
, 2022 , Article)
Ti3C2Tx MXene nanostructures have garnered attention for various catalytic applications due to their built-in electronic properties. Herein, we rationally design highly exfoliated two-dimensional Ti3C2Tx nanosheets (Tx = ...
Proxy reporting in education surveys: factors influencing accurate reporting in the 2012 Qatar Education Study
(
Taylor & Francis (Routledge)
, 2017 , Article)
Proxy reporting is a common practice during survey data collection to increase response rates while reducing fieldwork costs, and agreement between proxies and self-reports is critical to make reliable and valid inferences. ...
A pH-sensitive guar gum-: Grafted -lysine-?-cyclodextrin drug carrier for the controlled release of 5-flourouracil into cancer cells
(
Royal Society of Chemistry
, 2018 , Article)
The physiological environment is a crucial factor in biomedical systems, which can be regulated with relative ease both in vitro and in vivo. Control of pH has emerged as a powerful strategy in cancer therapy because pH ...
Evolution and dynamics of the pandemic H1N1 influenza hemagglutinin protein from 2009 to 2017.
(
Springer Vienna
, 2018 , Article)
The emergence of swine-origin pandemic H1N1 (pH1N1) in 2009 invigorated extensive surveillance programs worldwide which have resulted in the deposition of large numbers of H1N1 sequences to Genbank. In the present study, ...
Arabic gum as green agent for ZnO nanoparticles synthesis: properties, mechanism and antibacterial activity
(
Springer New York LLC
, 2017 , Article)
The size and morphology of ZnO nanoparticles (ZnO NPs) were controlled in the presence of the natural and green agent, Arabic gum. Lower amounts of Arabic gum showed a greater effect on the size and morphology as well as ...