Browsing Qatar University Institutional Repository by Title
Now showing items 14200-14219 of 28470
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Metal-oxide nanotubes functional material tailored for membrane water/wastewater treatment
( Institute of Physics Publishing , 2019 , Conference Paper)Titanium Dioxide Nano-Tubes (TNTs) synthesized by hydrothermal method were used to prepare new polysulfone thin film nanocomposite (TFN) membranes. The TFN membranes contained different TNTs proportions (0.1, 0.3 and 0.5 ... -
Metal/Metal-Oxide Nanoclusters for Gas Sensor Applications
( Hindawi Publishing Corporation , 2016 , Article Review)The development of gas sensors that are based on metal/metal-oxide nanoclusters has attracted intensive research interest in the last years. Nanoclusters are suitable candidates for gas sensor applications because of their ... -
Metalinguistic Knowledge And Formal Functional Proficiency In English: The Case Of Basic Education Stage Learning In Jordan
( Qatar University , 1998 , Article)The present study aimed at assessing Jordanian 10th graders' metalinguistic knowledge of 15 English grammatical concepts or categories via rule description and exemplification as well as the link between the achieved ... -
Metamorphic relation automation: Rationale, challenges, and solution directions
( John Wiley and Sons Ltd , 2022 , Article Review)Metamorphic testing addresses the issue of the oracle problem by comparing results transformation from multiple test executions. The relationship that governs the output transformation is called metamorphic relation. ... -
Metaphorical expressions in E-commerce: A study of arabic language websites
( Taylor and Francis Inc. , 2017 , Article)This study examines the use of metaphors in Arabic language e-commerce websites and shows that metaphorical language plays an important role in enhancing the effectiveness of websites and e-commerce businesses in general. ... -
Metathesis ring opening polymerization of 5,6-dimethylenebicyclo[2.2.1]hept-2-ene
( John Wiley & Sons, Ltd , 1992 , Article)5,6-Dimethylenebicyclo[2.2.1]hept-2-ene (I) polymerizes in the presence of the two-component ring opening metathesis polymerization (ROMP) initiators WCl6/(CH3)4Sn and MoCl5/(CH3)4Sn. The product polymers were insoluble ... -
Metaverse in marketing and logistics: the state of the art and the path forward
( Emerald Publishing , 2023 , Article)Purpose: Ever since its emergence, the metaverse has presented opportunities and disruptions to every stakeholder, including individual users and organizations. This article aims to offer valuable perspectives on six ... -
Metaverse marketing: How the metaverse will shape the future of consumer research and practice
( Wiley-Blackwell , 2022 , Article)The initial hype and fanfare from the Meta Platforms view of how the metaverse could be brought to life has evolved into an ongoing discussion of not only the metaverse's impact on users and organizations but also the ... -
Metaverse Security: Issues, Challenges and a Viable ZTA Model
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)The metaverse is touted as an exciting new technology amalgamation facilitating next-level immersive experiences for users. However, initial experiences indicate that a host of privacy, security and control issues will ... -
Meteorological Factors and Seasonal Stroke Rates: A Four-year Comprehensive Study
( W.B. Saunders , 2019 , Article)Introduction: There is a growing body of evidence suggesting that acute cardiovascular events including stroke are not distributed randomly over time but instead depend on months/season of the year. We report the impact ... -
Metformin and HER2-positive breast cancer: Mechanisms and therapeutic implications
( Elsevier , 2023 , Article)Due to the strong association between diabetes and cancer incidents, several anti-diabetic drugs, including metformin, have been examined for their anticancer activity. Metformin is a biguanide antihyperglycemic agent used ... -
Metformin Attenuates Albumin-induced Alterations in Renal Tubular Cells In Vitro
( Wiley Periodicals, Inc , 2017 , Article)Proteinuria (albuminuria) plays a crucial role in the etiology of chronic kidney disease (CKD) via alteration of multiple signaling pathways and cellular process in renal cells. The objectives of this study are to investigate ... -
Metformin attenuates V-domain Ig suppressor of T-cell activation through the aryl hydrocarbon receptor pathway in Melanoma: In Vivo and In Vitro Studies
( Elsevier , 2021 , Article)Melanoma is an aggressive skin cancer with a high rate of metastasis to other organs. Recent studies specified the overexpression of V-domain Ig suppressor of T-cell activation (VISTA) and Aryl Hydrocarbon Receptor (AHR) ... -
Metformin in pregnancy to avert gestational diabetes in women at high risk: Meta-analysis of randomized controlled trials.
( Wiley , 2019 , Article Review)Previous randomized and observational studies on the efficacy of metformin in pregnancy to reduce incident gestational diabetes mellitus (GDM) in women at high risk (obesity, polycystic ovary syndrome [PCOS], or pregestational ... -
Metformin increases 3-hydroxy medium chain fatty acids in patients with type 2 diabetes: a cross-sectional pharmacometabolomic study
( Frontiers Media SA , 2024 , Article)Background: Metformin is a drug with a long history of providing benefits in diabetes management and beyond. The mechanisms of action of metformin are complex, and continue to be actively debated and investigated. The aim ... -
Metformin Induces Different Responses in Clear Cell Renal Cell Carcinoma Caki Cell Lines.
( MDPI , 2019 , Article)Clear cell renal cell carcinoma (ccRCC) is the most common and lethal form of urological cancer diagnosed globally. Mutations of the von Hippel-Lindau tumor-suppressor gene and the resultant overexpression of hypoxia-inducible ... -
Metformin is comparable to insulin for pharmacotherapy in gestational diabetes mellitus: A network meta-analysis evaluating 6046 women.
( Elsevier , 2021 , Article)The comparative efficacy of gestational diabetes (GDM) treatments lack conclusive evidence for choice of first-line treatment. The aim of this study was to compare the efficacy of metformin and glibenclamide to insulin ... -
Methane as a Substrate for Energy Generation Using Microbial Fuel Cells
( Springer , 2019 , Article Review)Methane (CH 4 ) is a well-known and abundant feedstock for natural gas, and is readily available from various sources. In thermal plants, the CH 4 generated from anthropogenic sources is converted into electrical energy ... -
Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment
( Elsevier , 2023 , Article)Tetraselmis sp. microalgae biomass co-digestion with frying oil residue was investigated without or with an ultrasonication pretreatment to enhance methane production. Interestingly, compared to untreated Tetraselmis ... -
Methanol Electro-Oxidation in Alkaline Medium by Ni Based Binary and Ternary Catalysts: Effect of Iron (Fe) on the Catalyst Performance
( Pleiades Publishing , 2019 , Article)Pt free methanol electro oxidation catalysts with stable response are of interest to reduce the overall cost of the direct methanol fuel cell (DMFC). Here, nickel based bi and tri metallic catalysts have been prepared on ...