Browsing College of Arts & Sciences by Type "Article"
Now showing items 1-20 of 2910
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2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers with enhanced mechanical and electrical properties
( Public Library of Science , 2017 , Article)Novel 2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers have been successfully fabricated by an electrospinning technique. The high aspect ratio, hydrophilic surfaces, and metallic conductivity of delaminated ... -
3-Aminopyridine Salicylidene: A Sensitive and Selective Chemosensor for the Detection of Cu(II), Al(III), and Fe(III) with Application to Real Samples
( MDPI , 2022 , Article)Interest in developing selective and sensitive metal sensors for environmental, biological, and industrial applications is mounting. The goal of this work was to develop a sensitive and selective sensor for certain metal ... -
3D Interconnected Mesoporous Alumina with Loaded Hemoglobin as a Highly Active Electrochemical Biosensor for H<inf>2</inf>O<inf>2</inf>
( Wiley-VCH Verlag , 2018 , Article)© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Alumina is one of the most common and stable metal oxides in nature, which has been developed as a novel adsorbent in enrichment of biomolecules due to its excellent ... -
50 -m Freestyle Sprint Performance in Adolescent Swimmers
( Frontiers Media S.A. , 2018 , Article)Objectives: The purpose of the study was to investigate performance, biomechanical, physiological, and psychophysiological effects of a simple and easily organized post-activation potentiation (PAP) re-warm-up performed ... -
A 6th-order local approximation by a cubic curve
( Qatar University , 1997 , Article)We derive and present a MAPLE program for the construction of a parametric cubic polynomial curve which has sixth-order contract with a given smooth curve at a given point, thus providing a local sixth-order approximation ... -
8-hydroxyquinoline grafted triazole derivatives as corrosion inhibitors for carbon steel in H2SO4 solution: Electrochemical and theoretical studies
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)The inhibition capacity of carbon steel (CS) in 0.5M H2SO4 by three 8-hydroxyquinoline grafted triazole derivatives (EHTC, AHTC, and MHTC) have been investigated using electrochemical impedance spectroscopy (EIS), ... -
A best proximity point theorem for special generalized proximal ?-quasi contractive mappings
( Springer , 2019 , Article)In this paper, we obtain some best proximity point results for a new class of non-self mappings T: A? B called special generalized proximal ?-quasi contractive. Our result is illustrated by an example. Several consequences ... -
A better understanding of seawater reverse osmosis brine: Characterizations, uses, and energy requirements
( Elsevier Ltd , 2021 , Article)Before investing in any optimizing technology for the recovery and reuse of brine resources, it is of importance to study the full physicochemical characteristics of the brine. In the current study, the physicochemical ... -
A boundary integral method for the general conjugation problem in multiply connected circle domains
( Springer International Publishing , 2018 , Article)We present a boundary integral method for solving a certain class of Riemann-Hilbert problems known as the general conjugation problem. The method is based on a uniquely solvable boundary integral equation with the generalized ... -
A brief self-rating scale for the assessment of individual differences in gesture perception and production
( Elsevier , 2015 , Article)Gesture production and perception have a strong impact on speech perception and social-communicative functioning. Consequently, we created the 'Brief Assessment of Gesture' (BAG) tool, a set of 12 subjective statements ... -
A Chaotic Quadratic Bistable Hyperjerk System with Hidden Attractors and a Wide Range of Sample Entropy: Impulsive Stabilization
( World Scientific , 2021 , Article)Hidden attractors generated by the interactions of dynamical variables may have no equilibrium point in their basin of attraction. They have grabbed the attention of mathematicians who investigate strange attractors. ... -
A Class of Koszul Algebra and Some Homological Invariants through Circulant Matrices and Cycles
( Hindawi Limited , 2022 , Article)Recent advances in graph theory, linear algebra, and commutative algebra render us to tackle problems in one bough of mathematics with assistance and guidance from others. We will elaborate foremost and conceptually ... -
A comparative baseline of coral disease in three regions along the Saudi Arabian coast of the central Red Sea
( Public Library of Science , 2021 , Article)Coral disease is a growing problem for coral reefs globally and diseases have been linked to thermal stress, excess nutrients, overfishing and other human impacts. The Red Sea is a unique environment for corals with a ... -
A comparative physicochemical property assessment and techno-economic analysis of biolubricants produced using chemical modification and additive-based routes
( Elsevier , 2022 , Article)Several edible and non-edible oil sources are currently being developed as renewable basestocks for biolubricant production. However, these feedstocks possess undesirable physicochemical properties limiting their lubricant ... -
A comparative study of chemically reacting 2D flow of Casson and Maxwell fluids
( Elsevier B.V. , 2018 , Article)Theoretical investigation is performed to discuss the heat and mass transfer behavior of chemically reacting magnetohydrodynamic Casson and Maxwell fluids past a stretching sheet with Brownian moment and thermophoresis ... -
A comparison of the Ranging behaviour and habitat use of the Ethiopian hedgehog (Paraechinus aethiopicus) in Qatar with hedgehog taxa from temperate environments
( NaturePublishingGroup , 2018 , Article)We investigated seasonal changes in the ecology and behaviour of the Ethiopian hedgehog (Paraechinus aethiopicus) in Qatar, particularly in respect to differences in behaviour between hedgehogs living in arid environments ... -
A complete sequence of the 16S rRNA gene of a novel Streptomyces coelicolor (AB588124) (QU66c-2002) isolated from the soil of Qatar
( Asian Network for Scientific Information , 2011 , Article)The aim of this study was to determine the sequence of the 16S rRNA gene and thus to conduct the phylogenic position of the naturally occurring wild type strain of Streptomyces QU66C. Here we show conclusively the full ... -
A comprehensive review summarizing the recent biomedical applications of functionalized carbon nanofibers
( John Wiley and Sons Inc , 2021 , Article)Since the discovery and fabrication of carbon nanofibers (CNFs) over a decade ago, scientists foster to discover novel myriad potential applications for this material in both biomedicine and industry. The unique economic ... -
A computational study on molecular structure and stability of tautomers of dipyrrole-based phenanthroline analogue
( Elsevier B.V. , 2018 , Article)This work reports structure and stability of different tautomers of a newly-designed analogue of 1,10-phenanthroline-5,6-dione (the di-keto structure (DK) derived from 1H,8H-pyrrolo[3,2-g]indole (PI)) using quantum chemical ... -
A Concubine in Early-Modern Egypt: The Example of Nafisa Khatun al-Muradiyya
( Brill Academic Publishers , 2016 , Article)This article portrays the life of Al-Sit Nafisa Khatun al-Muradiyya, originally taken captive in Georgia and sold into slavery in Cairo, who rises from life as a concubine to become the wife of the Mamluk leader Murad Bey ...
