College of Arts & Sciences: Recent submissions
Now showing items 201-220 of 3563
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Widespread diversity deficits of coral reef sharks and rays
( American Association for the Advancement of Science , 2023 , Article)A global survey of coral reefs reveals that overfishing is driving resident shark species toward extinction, causing diversity deficits in reef elasmobranch (shark and ray) assemblages. Our species-level analysis revealed ... -
Application of MALDI Biotyper System for Rapid Identification of Bacteria Isolated from a Fresh Produce Market
( Springer New York LLC , 2019 , Article)MALDI-TOF MS has revolutionized the identification of microorganisms and has become an indispensable part of routine diagnostics in the clinical microbiological laboratory. However, application of this technique in microbial ... -
Monitoring the effect of environmental conditions on safety of fresh produce sold in Qatar’s wholesale market
( Taylor and Francis Ltd. , 2022 , Article)Fresh produce imported by Qatar are mostly sold at the wholesale produce market (WPM) located in open-air and near major animal markets and slaughterhouses. This study was the first in Qatar to monitor the effect of ... -
Antimicrobial activity of amphiphilic nanomicelles loaded with curcumin against Pseudomonas aeruginosa alone and activated by blue laser light
( wiley , 2021 , Article)The aim of this work was to assess the antimicrobial efficacy on Pseudomonas aeruginosa of nanomicelles loaded with curcumin (CUR) alone and activated by blue laser light in an antimicrobial photodynamic therapy (APDT) ... -
A New Memristive Chaotic System with a Plane and Two Lines of Equilibria
( World Scientific , 2021 , Article)A new 4D memristive chaotic system with an infinite number of equilibria is proposed via exhaustive computer search. Interestingly, such a new memristive system has a plane of equilibria and two other lines of equilibria. ... -
Chemical, Electrochemical, and Surface Study on Microbial Attack of CoCrMo Dental Alloy by Streptococcus mutans
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)Abstract: In this investigation, the objective of our research was to evaluate the influence of the corrosion behavior of CoCrMo dental alloy in the presence of the oral bacteria Streptococcus mutans (Streptococcus mutans) ... -
The impact of occupancy-driven models on cooling systems in commercial buildings
( MDPI , 2021 , Article)Cooling systems play a key role in maintaining human comfort inside buildings. The key challenges that are facing conventional cooling systems are the rapid growth of total cooling energy and annual electricity consumption ... -
Experimental, Density Functional Theory, and Dynamic Molecular Studies of Imidazopyridine Derivatives as Corrosion Inhibitors for Mild Steel in Hydrochloric Acid
( Pleiades journals , 2021 , Article)Two imidazopyridine derivatives 6-chloro-2-(4-chlorophenyl) imidazo [1,2-a]pyridine (IPCl1) and 6-chloro-2-(4-chlorophenyl)imidazo[1,2-a]pyridine-3-carbal-dehyde (IPCl2) were investigated as corrosion inhibitors of mild ... -
On evaluation of onsite energy storage for various end-use facilities with utility bill management, arbitrage, and frequency regulation opportunities
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)This paper proposes a comprehensive evaluating framework that enables facility operators to optimally size and dispatch their onsite energy storage systems (ESS) that might be operated as either standalone or integrated ... -
An overview of bio-inspired intelligent imprinted polymers for virus determination
( MDPI , 2021 , Article Review)The molecular imprinting polymers (MIPs) have shown their potential in various applications including pharmaceuticals, chemical sensing and biosensing, medical diagnosis, and environmental related issues, owing to their ... -
Evaluation of flow pattern recognition and void fraction measurement in two phase flow independent of oil pipeline's scale layer thickness
( Elsevier , 2021 , Article)The main objective of the present research is to combine the effect of scale thickness on the flow pattern and characteristics of two-phase flow that is used in oil industry. In this regard, an intelligent nondestructive ... -
Synthetic efforts and applications of metal selenide nanotubes
( Elsevier , 2021 , Article)Properties of metal selenides are dependent on their band gaps which can be tuned with size and morphology. Nanotubes particularly are important for their enhanced surface area and reaction sites. Extensive experimental ... -
Exploring EMI in STEM disciplines: a case study of KAIST
( Taylor and Francis Ltd. , 2024 , Article)This research aims to overview the English-medium instruction (EMI) situation in Korean Higher education (HE), briefly describing and studying HE policies and examining their impact on Korean teachers and students. The ... -
Factors impacting science and mathematics teachers’ competencies and self-efficacy in TPACK for PBL and STEM
( Modestum LTD , 2024 , Article)Science and mathematics teachers face the dual challenge of mastering subject-specific expertise and developing the pedagogical skills necessary for implementing integrated science, technology, engineering, and mathematics ... -
Submarine groundwater discharge on the algarve shelf: Case study of albufeira-ribeira de quarteira aquifer system
( Laboratorio Nacional de Energia e Geologia , 2015 , Article)In the Algarve region (S of Portugal) occur several coastal aquifer systems which geometry and structure of the water bearing formations, groundwater flow, and water balance, are favorable to the existence of submarine ... -
Microplastics in coastal environments of the Arabian Gulf
( Elsevier Ltd , 2017 , Article)Eight sandy beaches along the coastline of Qatar and four sea surface stations on the eastern coast, adjacent to Doha Bay, were surveyed between December 2014 and March 2015. Microplastics, mainly low density polyethylene ... -
Biophysical model of coral population connectivity in the Arabian/Persian Gulf
( Academic Press , 2020 , Book chapter)The coral reef ecosystems of the Arabian/Persian Gulf (the Gulf) are facing profound pressure from climate change (extreme temperatures) and anthropogenic (land-use and population-related) stressors. Increasing degradation ... -
Coral and reef fish communities in the thermally extreme Persian/Arabian gulf: Insights into potential climate change effects
( Springer , 2021 , Book chapter)Coral reefs are facing global challenges, with climate change causing recurrent coral bleaching events at a faster rate than corals may be able to recover from, and leading to an overall decline of coral cover and shifts ... -
Applying the ecosystem services - EBM framework to sustainably manage Qatar's coral reefs and seagrass beds
( Elsevier Ltd , 2021 , Article)Given the current natural and anthropogenic threats facing Qatar's marine environment and the consequential expected decline in ecosystem services, this paper examines the potential application of the Ecosystem Services-EBM ... -
Epibenthic communities from offshore platforms in the Arabian Gulf are structured by platform age and depth
( Elsevier Ltd , 2021 , Article)Oil and gas platforms act as artificial habitats for a myriad of marine organisms. In this study, we used opportunistic remotely operated vehicle (ROV) data to describe fouling assemblages through the characterization of ...