College of Arts & Sciences: Recent submissions
Now showing items 1-20 of 3764
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Chemistry and Electrochemistry | Lithium
( Elsevier , 2025 , Book chapter)Lithium is a chemical element that heads the alkali group of metals with the chemical symbol Li and an atomic number of 3. It is a soft, lustrous, white-silverish metal that has the lowest density of all metals or solids. ... -
Enhanced steel surface protection using TiO2/MS30 modified polyurethane coatings: Synthesis and performance evaluation
( Elsevier , 2025 , Article)This work focuses on the development and evaluation of corrosion-resistant behavior of polyurethane (PU)-based coatings modified with TiO2 and a novel green corrosion inhibitor, 1,1′-(1,4-phenylene)bis(3-(pyridin-2-ylmethyl)urea) ... -
Synergistic effect of NASICON Na3V2(PO4)2F3 and 2D MXene for high-performance symmetric Sodium-ion batteries
( Elsevier , 2025 , Article)Sodium fluorophosphate-based Na3V2(PO4)2F3 (NVPF) cathode materials have been widely analyzed in Sodium-ion batteries (SIB) owing to their high energy density and high working voltage. However, the low electronic conductivity ... -
Improving self-healing characteristics of polyurethane composite coatings by surface modification of polyaniline using dodecylamine
( Elsevier , 2025 , Article)Corrosion is one of the most critical problems affecting the structural integrity of metals. Polymeric nanocomposite coatings reinforced with anti-corrosive pigments are currently being used to mitigate corrosion. This ... -
Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study
( Springer Nature , 2025 , Article)Background: This study assessed the real-world effectiveness of the ChAdOx1 nCoV-19 vaccine in adults against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, symptomatic infection, and severe ... -
A novel design for battery cooling based on highly thermally conductive phase change composites encapsulated by 3D printed polyethylene/boron nitride layer
( Elsevier , 2025 , Article)Lithium-ion batteries are vital in advancing the cell phone and automotive industry. However, their susceptibility to self-heating impacts their performance, service life, and safety. Thus, efficient thermal management ... -
Molybdenum-Incorporated O3-type Sodium Layered Oxide Cathodes for High-Performance Sodium-Ion Batteries
( Wiley , 2023 , Article)Transition metal layered oxide materials with a general formula NaxMO2 (M = Ni, Mn, Co, Fe) are widely researched with various possible electrode configurations. Herein, O3-type NaNi(1−x)/2Mn(1−x)/2MoxO2 (x = 0, 0.05,0.1) ... -
Assessing healthy vaccinee effect in COVID-19 vaccine effectiveness studies: a national cohort study in Qatar.
( National Center for Biotechnology Information , 2025 , Article)This study investigated the presence of the healthy vaccinee effect-the imbalance in health status between vaccinated and unvaccinated individuals-in two rigorously conducted COVID-19 vaccine effectiveness studies involving ... -
Experimental Investigation of Pedestrians Interacting with E-Scooter Riders on Residential Roads
( Elsevier , 2024 , Conference)The integration of e-scooters in urban environments particularly on residential sidewalks has raised significant concerns about pedestrian safety and comfort. Therefore, it is crucial to understand pedestrian behaviour ... -
Unveiling the Nexus Between Land Use, Land Surface Temperature, and Carbon Footprint: A Multi-Scale Analysis of Building Energy Consumption in Arid Urban Areas
( Springer , 2025 , Article)Urbanization and land use changes, especially in arid environments, significantly impact local climate and energy demand. This study investigates the relationship between Land Use/Land Cover (LULC) changes, Land Surface ... -
Exploring the impact of perceived in-vehicle distractions on crashes and violations: investigating the mediating effects of inside-vehicle activities
( Elsevier , 2025 , Conference)Inside-vehicle distractions have a profound impact on road safety by substantially increasing the risk of crashes and near-crash incidents. These distractions result in visual, manual, and cognitive impairments, which ... -
Characterizing the dynamics of climate and native desert plants in Qatar
( Elsevier , 2024 , Article)This study aims to measure changes in climatic factors and their relationship to vegetation growth in Qatar to develop a plant-climate characterization for native desert plants. By analyzing Landsat satellite images from ... -
University Students’ Experiences of Received Instruction and Their Learning Approaches: Insights from the Arabic Shortened SETLQ
( Dibon Publishing House , 2025 , Article)This study examined undergraduate students’ experiences of teaching and learning at Qatar University using an Arabic version of the Shortened Experiences of Teaching and Learning Questionnaire (SETLQ). A total of 410 ... -
Organ-specific safety profile of bioinspired short antimicrobial peptides in zebrafish embryos
( Frontiers , 2025 , Article)Objective: Antimicrobial peptides (AMPs) are key components of the innate immune system, exhibiting broad-spectrum antibacterial and immunomodulatory activities. Building on these properties, we designed bio-inspired short ... -
Novel Thermo-Halotolerant Bacteria Bacillus cabrialesii Native to Qatar Desert: Enhancing Seedlings’ Growth, Halotolerance, and Antifungal Defense in Tomato
( Springer Nature , 2025 , Article)Soil salinization and freshwater scarcity are the major challenges threatening conventional agriculture development due to their negative impacts on plant growth and productivity. Fungal infections accentuate these challenges ... -
Evidencing nickel biosorption capacity of cyanobacteria Chroococcidiopsis sp.: potential metallo-protective agents
( BioMed Central , 2025 , Article)The increasing prevalence of toxic elements such as nickel (Ni) in the environment poses a significant threat to human health due to its carcinogenic effect. The study investigates the Ni biosorption potential of three ... -
Tāḥlīl Kitāb TOAFL “Muqārrār Tāḥdīd āl-Mustāwā” āl-Mustānīdī īlā āl-Iṭār āl-Ūrūbī āl-Mārjāʿī āl-Mushtārāk līl-Lughāt
( Universitas Ma'arif Lampung (UMALA) , 2025 , Article)The rising demand for standardized Arabic language proficiency tests, especially for international institutions like Al-Azhar University in Egypt, underscores the need to evaluate current assessment tools for validity and ... -
Gene expression analysis reveals genes related to heavy metals and produced water exposure in Synechococcus elongatus
( Springer Nature , 2025 , Article)Produced water (PW), a major by-product of the petrochemical industry, contains a complex mixture of contaminants that limit its reuse and pose environmental risks if discharged untreated. Numerous treatment technologies ... -
Storage of Na in 2D SnS for Na ion batteries: a DFT prediction
( Royal Society of Chemistry , 2022 , Article)The high demand for renewable and clean energy has driven the exploration of advanced energy storage systems. Sodium-ion batteries (SIBs) are considered to be potential substitutes for Li-ion batteries (LIBs) because they ... -
In Silico Band-Gap Engineering of Cr2C MXenes as Efficient Photocatalysts for Water-Splitting Reactions
( American Chemical Society , 2022 , Article)Hydrogen is a significantly advantageous clean and sustainable energy carrier over other energy sources. Therefore, hydrogen production using water-splitting technology is a promising strategy as a clean source of energy. ...
