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السجلات المعروضة 1 -- 20 من 5212
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1H magnetic resonance spectroscopy of 2H-to-1H exchange quantifies the dynamics of cellular metabolism in vivo
( Nature Research , 2020 , Article)Quantitative mapping of the in vivo dynamics of cellular metabolism via non-invasive imaging contributes to our understanding of the initiation and progression of diseases associated with dysregulated metabolic processes. ... -
2012 SURVEY OF MIGRANT WORKERS IN THE GULF COOPERATION COUNCIL (GCC)COUNTRIES
( The Social and Economic Survey Research Institute, Qatar University. , 2015 , Report)This report presents the results of the 2012 GCC survey of migrant workers residing in Bahrain, Oman, Kuwait, Qatar, and the Kingdom of Saudi Arabia. The study was conducted by the Social and Economic Survey Research ... -
The 2021-2022 “De-Escalation Moment” in the Middle East: A Net Assessment
( the SETA Foundation for Political, Economic and Social Research , 2022 , Article)Starting the end of 2020, the Middle East has witnessed an unprecedented de-escalation among its key regional rivals. Several major players, including Türkiye, Saudi Arabia, Egypt, Iran, Israel, the UAE, and Qatar, have ... -
2022 Qatar World Cup: Impact Perceptions among Qatar Residents
( SAGE Publications , 2016 , Article)The purpose of this study was to evaluate how the impacts from the 2022 World Cup preparations in Qatar influenced local residents’ attitudes, personal and community quality of life perceptions, excitement about hosting ... -
2D MXenes as Perspective Immobilization Platforms for Design of Electrochemical Nanobiosensors
( Wiley-VCH Verlag , 2019 , Article Review)MXenes are a new group of 2D nanomaterials with fascinating properties including high electrical conductivity, hydrophilic nature, easily tunable structure and high surface area. This is why MXene modified interfaces are ... -
2D Ruddlesden–Popper Perovskites for Optoelectronics
( Wiley-VCH Verlag , 2018 , Article Review)Conventional 3D organic–inorganic halide perovskites have recently undergone unprecedented rapid development. Yet, their inherent instabilities over moisture, light, and heat remain a crucial challenge prior to the realization ... -
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 ... -
2D-MXene as an additive to improve the power conversion efficiency of monolithic perovskite solar cells
( Elsevier B.V. , 2022 , Article)In this study, two-dimensional (2D) material-MXene has been utilized as an additive in perovskite (MAPbI3) from 0 to 20 vol.% with an increment of 5 vol.%. The effect of different vol.% of 2D-MXene on monolithic perovskite ... -
3D and 4D printing of polymer nanocomposite materials: Processes, applications, and challenges
( Elsevier , 2019 , Book)3D and 4D Printing of Polymer Nanocomposite Materials: Processing, Applications, and Challenges covers advanced 3D and 4D printing processes and the latest developments in novel polymer-based printing materials, thus ... -
3D architectures of titania nanotubes and graphene with efficient nanosynergy for supercapacitors
( Elsevier Ltd , 2017 , Article)One dimensional titanium dioxide nanotubes (titania nanotubes or TNT) are grown on the surface of two dimensional graphene sheets by hydrothermal method so that desirable out of plane properties are obtained in the final ... -
3D hydrogel/ bioactive glass scaffolds in bone tissue engineering: Status and future opportunities
( Elsevier , 2023 , Article Review)Repairing significant bone defects remains a critical challenge, raising the clinical demand to design novel bone biomaterials that incorporate osteogenic and angiogenic properties to support the regeneration of vascularized ... -
(423) ARE E-CIGARETTES SAFER THAN COMBUSTIBLE TOBACCO ON HUMAN TYPE II ALVEOLAR CELLS AND MESENCHYMAL STEM CELLS?
(2024 , Conference Paper)Electronic cigarettes (e-cigarettes) are promoted as safer alternatives to combustible cigarettes. However, the health burden and effects of their long-term use remain unidentified. This study evaluates the extent and ... -
5-Aminolevulinic acid mitigates the chromium-induced changes in Helianthus annuus L. as revealed by plant defense system enhancement
( Elsevier , 2023 , Article)Chromium (Cr) in the soil is one of the major pollutants for agricultural production. This study examined the efficiency of sunflower plants to remediate Cr-contaminated soils using a plant growth regulator, 5-aminolevolinic ... -
A 51 ka sedimentary sequence in a seamount basin, Eastern Arabian Sea: Records for paleoceanographic and paleoclimate conditions
( Elsevier , 2022 , Article)A 5.4 m thick sediment core at ∼ 517 m water depth from a seamount basin off the Goa coast in the Eastern Arabian Sea (EAS) is examined for the mineral magnetic, carbonate and organic carbon variability. The 51 ka BP dated ... -
A Blockchain-Based Security Scheme for Vehicular Ad Hoc Networks in Smart Cities
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)The development of Vehicular Ad Hoc Networks (VANET) has brought many advantages to facilitate the deployment of the Intelligent Transportation System (ITS). However, without proper protection, VANETs can be vulnerable to ... -
A calcium peroxide incorporated oxygen releasing chitosan-PVA patch for Diabetic wound healing
( Elsevier , 2023 , Article)Impaired wound healing is a major healthcare problem in patients with diabetes often resulting in gangrene, microbial infection and amputation of affected limb. The delay or absence in healing process arises from several ... -
A carbon dot-based clay nanocomposite for efficient heavy metal removal
( Royal Society of Chemistry , 2023 , Article)Carbon dots and their derivatives with fascinating photoluminescence properties have recently attracted tremendous scientific attention. This work describes the preparation of novel fluorescent bentonite clay (B), modified ... -
A CFD Investigation on the Effect of IPSBR Operational Conditions on Liquid Phase Hydrodynamics
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)This study used a computational fluid dynamics simulation of an inert-particle spouted-bed reactor, which consists of a cylindrical vessel with a conical base, to investigate the effect of different operational parameters ... -
A CFD- RSM study of cuttings transport in non-Newtonian drilling fluids: Impact of operational parameters
( Elsevier B.V. , 2022 , Article)Cuttings removal out of the wellbore represents a real barrier for successful drilling operations. The performance of hole cleaning is determined by several factors. The current article provides a theoretical study of the ... -
A combined pathway for the synthesis of nitidine family alkaloids
( Springer Netherlands , 2019 , Article)Three related alkaloids, oxynitidine, nitidine and 5,6-dihydronitidine, have been afforded by the new synthetic protocols. In this approach, the Ni-catalyzed annulation reaction is indicated as the key step to construct ...
