College of Arts & Sciences: Recent submissions
Now showing items 1021-1040 of 3699
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Stratigraphy, faciès analysis and reservoir characterization of the Upper Jurassic Arab "C", Qatar, Arabian Gulf
( Gebruder Borntraeger Verlagsbuchhandlung , 2011 , Article)The Arab C is a member of the Jurassic Arab Formation, one of the largest carbonate reservoirs in the Arabian Basin. Detailed petrographic analysis of cores and thin sections from selected wells in the onshore Dukhan ... -
Internalization of metal-organic framework nanoparticles in human vascular cells: Implications for cardiovascular disease therapy
( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)Cardiovascular diseases (CVDs) are the leading cause of morbidity and mortality worldwide. Alteration of endothelial cells and the underlying vasculature plays a central role in the pathogenesis of various CVDs. The ... -
The role of α2-adrenergic receptors in hypertensive preeclampsia: A hypothesis
( Wiley Blackwell , 2019 , Article Review)Preeclampsia, a major disorder of human pregnancy, manifests as persistent hypertension and proteinuria presenting after 20 weeks of pregnancy. Multiple systemic symptoms might be associated with preeclampsia including ... -
The Sheikh Faisal bin Qassim Museum and the Knowledge Economy: From Private Collection to Public Domain
( جامعة أبو بكر بلقايد تلمسان , 2023 , Article)This article discusses the newly emergent notion of the knowledge economy, which is an economy based on the arts and sciences, accompanied by an understanding of the role of knowledge in the development of the economy and ... -
Souq Waqif And Its Approach Toward Sustainable Cultural Tourism
( Society of Cultural Studies and Social Sciences , 2023 , Article)The 2030 Agenda for Sustainable Development highlighted the role of culture in sustainable development worldwide. Consequently, recently the concept of sustainable cultural tourism has become increasingly important. UNESCO ... -
اتفاقيات أوسلو و حراك فلسطينيي الشتات: حضور (الهامش) وغياب (المركز)
( أكاديمية شمال أوربا للعلوم والبحث العلمي , 2023 , Article)أثّرت اتفاقيات أوسلو على الحالة الفلسطينية عامة وبالأخص فلسطينيي الشتات الذين غدوا مهمشين وبلا صوت في صناعة القرار الفلسطيني، كما غدت عودتهم إلى وطنهم مجرد قضية على أجندة مفاوضات الوضع الدائم التي لم تبدأ منذ توقيع الاتفاقيات ... -
Effect of temperature and sunlight on the leachability potential of BPA and phthalates from plastic litter under marine conditions
( Elsevier , 2023 , Article)This study investigates the leaching potential of several additives embedded in six different plastic types when exposed to extreme simulated marine conditions for 140 days. The findings achieved herein contribute to a ... -
Regiospecific Photochemical Synthesis of Methylchrysenes
( MDPI , 2023 , Article)Methylated polycyclic aromatic hydrocarbons (PAHs) are suspected to be some of the toxic compounds in crude oil towards marine life and are needed as single compounds for environmental studies. 1-, 3- and 6-methylchrysene ... -
Telecommunication-wavelength lasing in er-doped gan multiple quantum wells at room temperature
( OSA - The Optical Society , 2018 , Conference)We report the realization of room-temperature, stimulated-emission in Er-doped-GaN multiple-quantum-wells at the 1.5-µm. Structures were grown by MOCVD and lasing was confirmed by threshold-behaviors of emission-intensity ... -
Phosphonated Polyetheramine-Coated Superparamagnetic Iron Oxide Nanoparticles for Inhibition of Oilfield Scale
( American Chemical Society , 2023 , Article)Oilfield scale is one of the significant problems in hydrocarbon production in the oil and gas industry. Many research groups have attempted to develop greener chemicals to meet environmental regulations. Magnetic nanoparticles ... -
Flexible, Linear, and Systematically Expanded Tetraphosphonate Bolaamphiphiles and Their Inhibition Performance against Calcite and Barite Scale Formation
( American Chemical Society , 2023 , Article)Oilfield scaling is one of the most prevalent water-based oilfield production problems. Chemical inhibitors are often used to combat and prevent scale deposition. The phosphonate functional group is commonly used in many ... -
Co2+ substituted for Bi3+ in BiVO4 and its enhanced photocatalytic activity under visible LED light irradiation
( Royal Society of Chemistry , 2019 , Article)We investigated the fabrication of Co-doped BiVO4 (Bi1-xCoxVO4+δ, 0.05 < x < 0.5) by the substitution of Co ions for Bi sites in BiVO4. The X-ray diffraction (XRD), Raman, and X-ray photoelectron spectroscopy (XPS) results ... -
Revealing microstructure and dislocation behavior in BAlN/AlGaN heterostructures
( Japan Society of Applied Physics , 2018 , Article)We reveal the microstructure and dislocation behavior in 20-pair B0.14Al0.86N/Al0.70Ga0.30N multiple-stack heterostructures (MSHs) exhibiting an increasing dislocation density along the c-axis, which is attributed to the ... -
Systematic Molecular-Size Variants in Diphosphonate Inhibitors for Oilfield Scale Management
( American Chemical Society , 2023 , Article)Organophosphorus-based scale inhibitors (SIs) have been widely used in the petroleum industry for several decades. Among them, aminomethylenephosphonates (possessing at least one −NH+-CH2-PO3H- moiety) have shown outstanding ... -
Novel activation of peroxymonosulfate by biochar derived from rice husk toward oxidation of organic contaminants in wastewater
( Elsevier Ltd , 2020 , Article)In this study, novel activation of peroxymonosulfate (PMS) by biochar derived from rice husk (generally considered useless agricultural wastes in Vietnam) toward organic pollutants from wastewater was investigated. The ... -
Removal of phenolic compounds from wastewaters by using synthesized Fe-nano zeolite
( Elsevier Ltd , 2020 , Article)This study investigated the adsorbent feasibility of Fe-nano zeolite (Fe-NZ) for the treatment of phenolic compounds in wastewaters. The maximum adsorption capacities of phenol (Ph), 2-chlorophenol (2-CP) and 2-nitrophenol ... -
Elucidating the mechanism for the chemical vapor deposition growth of vertical MoO2/MoS2 flakes toward photoelectrochemical applications
( Elsevier B.V. , 2020 , Article)To control the growth of layered two-dimensional transition metal dichalcogenide (TMD) materials or complex structures such as heterostructures, it is important to understand the growth mechanism. In this study, we ... -
Bio-Based Self-Healing Concrete for Sustainable and Durable Concrete Infrastructure
( Qatar University Press , 2023 , Conference)In this study, bio-self-healing concrete was manufactured using a natural phenomenon called microbial-induced calcium carbonate precipitation (MICP). The bacillus cereus bacteria isolated from Qatari soil was used for this ... -
The advanced photocatalytic performance of V doped CuWO4 for water splitting to produce hydrogen
( Elsevier Ltd , 2020 , Article)In the study, we successfully conducted vanadium doping to improve photocatalytic performance of the CuWO4 for water splitting to produce hydrogen. The doping mechanism, optimal doping ratio and material stability were ... -
Nanomedicine tactics in cancer treatment: Challenge and hope
( Elsevier Ireland Ltd , 2022 , Article)Defeating cancer is the ultimate challenge and goal of oncologists, facing various obstacles along with finding effective anti-cancer therapies and understanding drug delivery mechanisms. Additionally, the translation of ...
