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السجلات المعروضة 2150 -- 2169 من 48685
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Amidoximes: Promising candidates for CO 2 capture
( Royal Society of Chemistry , 2011 , Article)Monoethanolamine (MEA) dominates power plant carbon dioxide (CO 2) scrubbing processes, though with major disadvantages such as a 8-35% energy penalty. Here we report that structurally comparable amidoximes are promising ... -
The amino acid composition of some Common marine algae from Qatar (Arabian Gulf)
( Qatar University , 1993 , Article)The most dominant twenty algal species representing the main three groups of benthic macroalgae, Chlorophyceae, Phaeophyceae and Rhodophyceae were collected from the coastal zones of the Qatar peninsula. The algae were ... -
Amino acids Y229 and F603 are involved in Bacillus thuringiensis Cry1Ac delta-endotoxin stability and toxicity
( Blackwell Publishing , 2012 , Article)Bacillus thuringiensis Cry1Ac toxin shares structurally five conserved blocs with the other δ-endotoxins. To study the role of some amino acids belonging to these regions, two mutations, Y(229) P and F(603) S, were introduced ... -
Amino-functionalised silica-grafted molecularly imprinted polymers for chloramphenicol adsorption
( Elsevier Ltd , 2020 , Article)This research investigated the liquid-phase removal of chloramphenicol (CAP), an emerging contaminant using molecularly imprinted polymers (MIPs). CAP adsorption profiles, equilibrium, and kinetics were analysed. The ... -
Aminoacid derivative? With psychotogenic activity by
( Qatar University , 1989 , Article)As a part of an extensive programme concerned with the syntheses and investigation of a group of benzilyl-aminoacid and diphenylacetylaminoacid, piperidine esters possessing psychotogenic properties, attention has been ... -
Amlexanox-loaded nanoliposomes showing enhanced anti-inflammatory activity in cultured macrophages: A potential formulation for treatment of oral aphthous stomatitis
( Elsevier , 2023 , Article)Oral aphthous stomatitis is a common disorder treated with the immunomodulatory drug Amlexanox (AMX), that was administered as a mucoadhesive paste (Aphthasol®). This product was discontinued by FDA in 2014 due to the ... -
Ammonium phosphate as promised hydrogen storage material
( Elsevier , 2015 , Article)Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. Most of the reported hydrogen storage materials are either expensive or based on synthetically complicated compounds. Ammonium phosphates ... -
Ammonium removal from synthetic wastewater promoted by current generation and water flux in an osmotic microbial fuel cell
( Elsevier Ltd , 2017 , Article)Recovering useful resources from wastes represents a new approach of clean production with significant environmental and economic benefits. Ammonium nitrogen, which is an important inorganic contaminant and also a resource ... -
Amna Mahmoud Al-Jaydah, a pioneer in the struggle for female education in Qatar: A biographical research study
( Routledge , 2017 , Article)Much of the historical data, often narratives, on 19th and early 20th century women teachers in the West highlights the ways in which these women educators were influenced by religious institutions and/or the cultural, ... -
Amniotic stem cells as a source of regenerative medicine to treat female infertility
( Springer , 2022 , Article Review)Impaired reproductive health is a worldwide problem that affects the psychological well-being of a society. Despite the technological developments to treat infertility, the global infertility rate is increasing significantly. ... -
Amoebic Hepato-Pericardial Fistula Complicating Amoebic Liver Abscess Treated With Pericardiotomy: A Case Report.
(2022 , Report)Parasitic infections like amoebiasis are often asymptomatic in the tropics, but the invasive disease can cause an amoebic liver abscess. During pericardiocentesis, amoebiasis is more noticeable in left lobe abscesses with ... -
Amorphous Phase Properties Of Oriented Polyethylene Solids
( Qatar University , 1993 , Article)Solid-state deformation of polyethylene results in a preferential orientation of both crystalline and amorphous regions. Usually, one major problem in the prediction of the mechanical and thermal expansion properties of ... -
Amount of Secrecy Loss: A Novel Metric for Physical Layer Security Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this letter, we present a novel and important performance metric for analyzing and evaluating the physical layer security of wireless communication systems in the presence of eavesdropping users. Specifically, we introduce ... -
AMP-activated protein kinase as a drug target in chronic kidney disease
( Bentham Science Publishers B.V. , 2018 , Article Review)Background: Chronic kidney disease (CKD) is a condition increasingly affecting millions of individuals worldwide and is ranked as the ninth leading cause of death in the United States. AMP-activated protein kinase (AMPK) ... -
Amphetamine Selective Electrodes Based on Dibenzo-18-crown-6 and Dibenzo-24-crown-8 Liquid Membranes
( American Chemical Society , 1989 , Article)Two novel membrane electrodes highly sensitive and selective for amphetaminium cation are developed and electrochemically evaluated according to IUPAC recommendations. These electrodes Incorporate amphetamine-dibenzo-18-crown-6 ... -
AMPK Activation Attenuates Albumin-induced Alterations in Renal Tubular Cells In Vitro
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Background: Chronic kidney disease (CKD) is characterized by progressive decline in renal function; if left untreated, it ultimately results in end-stage renal disease (ESRD), a condition that demands either dialysis or ... -
Amplitude Features Of Fast Compressional Waves In Porous Media For Zero-Offset Synthetic Seismograms
( Qatar University , 1993 , Article)The seismic amplitude are clearly affected by the type of medium through which waves are propagated. A geologic model was designed to study the changes in'amplitudes of the seismic waves within several rocks of different ... -
Amplitude modulation in infrared metamaterial absorbers based on electro-optically tunable conducting oxides
( Springer Verlag , 2018 , Article)A class of electro-optically tunable metamaterial absorbers is designed and theoretically investigated in the infrared regime towards realizing free-space amplitude modulators. The spacer between a subwavelength metallic ... -
Amplitude-dependent damping in vibration serviceability: Case of a laboratory footbridge
( American Society of Civil Engineers (ASCE) , 2016 , Article)Construction technology advancements in the last couple of decades have led to the use of lightweight and high-strength materials in structural systems. Although longer spans and lighter materials result in floor systems ... -
An account on the function of specific particles (Resemblance vs. Conjugation)
( University of Jordan , 2010 , Article)This research claims that some of the grammatical reasons are fallible explanations whose authenticity can be reviewed Explaining the function of Noun or verb-specific particles, for instance, in light of the governance ...
