Browsing College of Arts & Sciences by Title
Now showing items 3040-3059 of 3403
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Understanding the buffering effect of social media use on anxiety during the COVID-19 pandemic lockdown
( Springer , 2021 , Article)During the COVID-19 outbreak, lockdown measures have been deployed worldwide. In the wake of these measures, internet and social media use has reached unprecedented peaks. We hypothesize that social media can, in the context ... -
Understanding the electro-catalytic effect of benzene ring substitution on the electrochemical oxidation of aniline and its derivatives using BDD anode: Cyclic voltammetry, bulk electrolysis and theoretical calculations
( Elsevier , 2020 , Article)The use of boron doped diamond (BDD) films in environmental applications has been extensively proved. This electrocatalytic material produces higher concentrations of free‑hydroxyl radicals on its surface, favoring a ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the Origin of the Ultrahigh Rate Performance of a SiO2-Modified LiNi0.5Mn1.5O4 Cathode for Lithium-Ion Batteries
( American Chemical Society , 2019 , Article)LiNi0.5Mn1.5O4 (LNMO) is one of the most promising cathode materials for next-generation lithium-ion batteries for rapid charging–discharging applications. The surfaces of LNMO samples are coated with different amounts ... -
Understanding the Phytoremediation Mechanisms of Potentially Toxic Elements: A Proteomic Overview of Recent Advances
( Frontiers Media , 2022 , Article Review)Potentially toxic elements (PTEs) such as cadmium (Cd), lead (Pb), chromium (Cr), and arsenic (As), polluting the environment, pose a significant risk and cause a wide array of adverse changes in plant physiology. Above ... -
Undoing Babel: The tower of Babel in Anglo-Saxon literature
( University of Toronto Press , 2018 , Book)The Tower of Babel narrative is one of the most memorable accounts of the Bible, and its interpretative potential has produced a vast array of literary adaptations. Undoing Babel is the first extensive examination of the ... -
Unfolding jellyfish bloom dynamics along the mediterranean basin by transnational citizen science initiatives
( MDPI AG , 2021 , Article)Science is addressing global societal challenges, and due to limitations in research financing, scientists are turning to the public at large to jointly tackle specific environmental issues. Citizens are therefore increasingly ... -
Uniform Ordered Two-Dimensional Mesoporous TiO2 Nanosheets from Hydrothermal-Induced Solvent-Confined Monomicelle Assembly
( American Chemical Society , 2018 , Article)Two-dimensional (2D) nanomaterials have been the focus of substantial research interest recently owing to their fascinating and excellent properties. However, 2D porous materials have remained quite rare due to the difficulty ... -
Universal large-order asymptotic behavior of the strong-coupling and high-temperature series expansions
( American Physical Society , 2022 , Article)For theories that exhibit second-order phase transition, we conjecture that the large-order asymptotic behavior of the strong-coupling (high-temperature) series expansion takes the form σnnb where b is a universal ... -
Universalizability and the metaphysics of moral particularism, specified
( Blackwell Publishing Ltd , 2018 , Article)[No abstract available] -
University Students' Intention of Smartphone Adoption for Academic Purposes: Testing and Extended TAM Model
( India , 2017 , Article)New technology has been credited with the ability to extend human senses. However, adaptation and use of technology has been reported to be intricately mediated by usefulness and ease of use of technology among other ... -
Unlocking the power of public awareness: paving the way for sustainable wetland management in Anzali, Iran
( Frontiers Media , 2023 , Article)The Anzali Wetland, located in the Guilan Province of Iran, is a vital ecosystem with significant ecological value. However, it faces numerous environmental challenges due to pollution, habitat degradation, and unsustainable ... -
Unmasking the interplay between mTOR and Nox4: novel insights into the mechanism connecting diabetes and cancer
( NLM (Medline) , 2019 , Article)Cancer was recently annexed to diabetic complications. Furthermore, recent studies suggest that cancer can increase the risk of diabetes. Consequently, diabetes and cancer share many risk factors, but the cellular and ... -
Unpublished coins from Al-Zubarah: Scientific and economic analysis
( Nova Science Publishers, Inc. , 2019 , Book chapter)Qatar Museums Authority (QMA) has kindly permitted the research team to study and publish a number of coins discovered in the old town of Al-Zubarah. The coins are now housed at the 19th century re-built of Al-Zubarah Fort. ... -
Unpublished Material from the Arab Museum of Modern Art at Qatar—Doha I
( American Research Center in Egypt , 2011 , Article)The aim of this article is to shed light on a decorated canopic box with four inscribed canopic jars. The box with its jars are among a corpus of Ancient Egyptian materials housed in the Arab Museum of Modern Art at Doha, ... -
Unpublished Material from the Arab Museum of Modern Art at Qatar—Doha II Osiris Naos
( American Research Center in Egypt , 2010 , Article)Publication of part of a white limestone naos with the representation of the god Osiris dedicated by a military man of the Nineteenth Dynasty, perhaps from the Abydos temple. The paper examines the iconography and text ... -
Unraveling the Role of Sex Hormones on Keratinocyte Functions in Human Inflammatory Skin Diseases
( MDPI , 2022 , Article Review)The skin exerts several fundamental functions that are the first physical, chemical and immune barriers to the human body. Keratinocytes, the main cell type of the epidermis, provide mechanical defense, support skin integrity ... -
Unruliness through space and time: Reconstructing ‘peoplehood’ in the arab spring
( Taylor and Francis , 2014 , Book chapter)This chapter presents a critical account of the phenomenon of the ‘Arab Spring’. This it does via an unorthodox interpretation of why the Arab Spring élan represents a departure point from many 20th-century revolutions. ... -
Unusual product from the acid-catalyzed one-pot, multicomponent reaction of thiocarbohydrazide, aldehydes, and phenacyl bromides
( Taylor & Francis , 2017 , Article)A one-pot, three-component protocol for the synthesis of novel five-membered thiazole ring bonded to two hydrazone motifs is described. The acid-catalyzed reaction of one equivalent of thiocarbohydrazide, two equivalents ... -
Unveiling fabrication and environmental remediation of mxene-based nanoarchitectures in toxic metals removal from wastewater: Strategy and mechanism
( MDPI AG , 2020 , Article)Efficient approaches for toxic metal removal from wastewater have had transformative impacts to mitigating freshwater scarcity. Adsorption is among the most promising purification techniques due to its simplicity, low cost, ...