تصفح Qatar University Institutional Repository حسب العنوان
السجلات المعروضة 19747 -- 19766 من 26845
-
Surface Coating of Carbon Nanofiber by Mesoporous Silica: a Promising Strategy to Reduce its Toxicity during Embryogenesis
(2021 , Master Thesis)Although carbon nanofibers (CNFs) have been implicated in biomedical applications, they are still considered as a potential hazard. Conversely, mesoporous silica nanoparticles are generally considered as a suitable and ... -
Surface curing effect on reflection response of hardened cementitious mortar samples
( Elsevier , 2021 , Article)Surface curing effect of hardened engineering cementitious mortar (ECM) samples with distinct water-to-binder ratios (𝑤∕𝑏) is analyzed by recording amplitude of reflection response |𝛤| or conductance term 𝑔 measured by ... -
Surface engineering of the PLA films for fabricating dexterous humidity sensors
( Springer New York LLC , 2018 , Article)This study presents the surface engineering of the thin films of a biodegradable polymer, poly lactic acid (PLA), for its application in moisture/humidity sensors. The PLA films were deposited on the comb-like pre-patterned ... -
Surface functionalization of a polyurethane surface via radio-frequency cold plasma treatment using different gases
( MDPI AG , 2020 , Article)Herein, the surface treatment of polyurethane (PU) films via air, O2, N2, Ar, and their mixtures were tested. The treatment was performed to incorporate new polar functionalities on the polymer surface and achieve improved ... -
Surface functionalization of chitosan as a coating material for orthopaedic applications: A comprehensive review
( Elsevier Ltd , 2021 , Article Review)Metallic implants have dominated the biomedical implant industries for the past century for load-bearing applications, while the polymeric implants have shown great promise for tissue engineering applications. The surface ... -
Surface functionalization of natural lignin isolated from: Aloe barbadensis Miller biomass by atom transfer radical polymerization for enhanced anticancer efficacy
( Royal Society of Chemistry , 2016 , Article)Lignin (LIG), one of the major natural polymers in the biomass is widely used for various industrial and biomedical applications, mainly in its modified form of grafted lignin. The present study focuses on the isolation ... -
Surface modification and grafting of carbon fibers: A route to better interface
( Elsevier Ltd , 2018 , Article)This review is an audit of various Carbon fibers (CF) surface modification techniques that have been attempted and which produced results with an enhancement in the interfacial characteristics of CFRP systems. An introduction ... -
Surface modification of low-density polyethylene with poly(2-ethyl-2- oxazoline) using a low-pressure plasma treatment
( Elsevier Ltd , 2014 , Article)Low-density polyethylene (LDPE) is a suitable polymer for biomedical applications due to its good physiochemical properties, but its insufficient biocompatibility is often an issue. Therefore, biocompatible substances such ... -
Surface modification of polyethylene/graphene composite using corona discharge
( Institute of Physics Publishing , 2018 , Article)Polyethylene/graphene composites are suitable for electromagnetic interference shielding applications and are often fabricated as sandwich structures. However, the hydrophobic character of these composites can lead to ... -
Surface modification of Ti3C2Tx using terminal groups and heteroatoms with excellent electrochemical performance in supercapacitors
(2023 , Article)Surface modification of Ti3C2Tx greatly enhances its charge storage mechanism as an electrode material. Herein, we demonstrate the role of surface terminals and heteroatoms in the electrochemical behavior of Ti3C2Tx ... -
Surface Modified Zinc Oxide Nanoparticles as Smart UV Sensors
( Springer New York LLC , 2019 , Article)The present paper examines the synthesis of ZnO nanoparticles and their surface modification via the microwave assisted sonochemical method along with its successful application in designing a smart UV sensor. The structure ... -
Surface plasmon inhibited photo-luminescence activation in CdSe/ZnS core-shell quantum dots
( Institute of Physics Publishing , 2016 , Article)In a composite film of Cdx Sey Zn1-x S1-y gradient core-shell quantum dots (QDs) and gold nanorods (NRs), the optical properties of the QDs are drastically affected by the plasmonic nanoparticles. We provide a careful study ... -
Surface plasmon resonance-based synthesis of gold nanorods for sensing applications
( Springer , 2023 , Article)Gold nanomaterials possess leading interest in the field of nanomaterials due to their vast applications both in advanced chemical and medicinal industries. Gold nanorods (AuNRs) were synthesized via a seed-mediated growth ... -
Surface Plasmonic Resonance and Z-Scheme Charge Transport Synergy in Three-Dimensional Flower-like Ag-CeO2-ZnO Heterostructures for Highly Improved Photocatalytic CO2Reduction
( American Chemical Society , 2021 , Article)The design and engineering of plasmonic metal nanocomposite photocatalysts offer an operative approach for highly efficient CO2 photoreduction. Herein, the authors report a plasmonic 3D flower-like (3DF) Ag-CeO2-ZnO ... -
Surface regeneration of templated PVDF membrane for efficient microalgae-rich high saline aquaculture wastewater treatment in membrane distillation
( Elsevier , 2023 , Article)This study investigated the use of templated PVDF membranes with intermediate flushing to revive fouled membrane during membrane distillation (MD) for sustainable high saline seawater aquaculture wastewater treatment. ... -
Surface Roughness Modelling of the Micromechanically Patterned CNT Forests
( Bentham Science Publishers , 2023 , Article)Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. One of the top-down microforming methods of CNT forests ... -
Surface soil carbon storage in urban green spaces in three major South Korean cities
( MDPI AG , 2016 , Article)Quantifying and managing carbon (C) storage in urban green space (UGS) soils is associated with the ecosystem services necessary for human well-being and the national C inventory report of the Intergovernmental Panel on ... -
Surface waves generated by shamal and easterly winds off Qatar
( Qatar University Press , 2021 , Poster)Waves in the Arabian Gulf are primarily controlled by the regional winds, for example, shamal winds during winter and early summer. Though Gulf wave characteristics have been heavily utilized for the design of offshore ... -
Surface-Modified Magnetic Nanoparticles for Produced Water Purification
(2024 , Master Thesis)The oil and gas sector generate large amounts of produced water (PW) that contains various organic and inorganic contaminants (e.g. heavy metals, organic materials, inorganic compounds and phenols). PW discharge puts the ... -
Surface-templating of rough interface to efficiently recover aquaculture wastewater using membrane distillation
( Elsevier , 2022 , Article)Aquaculture wastewater contains organics, inorganics, and microalgae, which need to be removed before being discharged into the environment or recycled. These aquaculture pollutants, especially microalgae, will reduce the ...
