تصفح Research Units حسب العنوان
السجلات المعروضة 1909 -- 1928 من 4653
-
Graphene oxide nanocomposites based room temperature gas sensors: A review
( Elsevier Ltd , 2021 , Article)Over the last few decades, various volatile organic compounds (VOCs) have been widely used in the processing of building materials and this practice adversely affected the environment i.e. both indoor and outdoor air ... -
Graphene oxide reinforced poly (4-styrenesulfonic acid)/polyvinyl alcohol blend composites with enhanced dielectric properties for portable and flexible electronics
( Elsevier Ltd , 2017 , Article)In this work, Graphene Oxide (GO) reinforced novel polymer composites comprising of poly (4-styrenesulfonic acid) (PSSA) and polyvinyl alcohol (PVA) blend matrix have been developed using colloidal processing technique. ... -
Graphene oxide reinforced polyvinyl alcohol/polyethylene glycol blend composites as high-performance dielectric material
( Springer Netherlands , 2016 , Article)Novel flexible dielectric composites composed of polyvinyl alcohol (PVA), polyethylene glycol (PEG), and graphene oxide (GO) with high dielectric constant and low dielectric loss have been developed using facile and ... -
Graphene oxide-based electrochemical label-free detection of glycoproteins down to aM level using a lectin biosensor
( Royal Society of Chemistry , 2016 , Article)A label-free ultrasensitive impedimetric biosensor with lectin immobilised on graphene oxide (GO) for the detection of glycoproteins from 1 aM is shown here. This is the first time a functional lectin biosensor with lectin ... -
Graphene quantum dot based materials for sensing, bio-imaging and energy storage applications: a review
( Royal Society of Chemistry , 2020 , Article Review)Graphene quantum dots (GQDs) are an attractive nanomaterial consisting of a monolayer or a few layers of graphene having excellent and unique properties. GQDs are endowed with the properties of both carbon dots (CDs) and ... -
Graphene Quantum Dot-Added Thin-Film Composite Membrane with Advanced Nanofibrous Support for Forward Osmosis
( MDPI , 2022 , Article)Highlights: What are the main findings? The current study establishes that banyan tree leaf-derived B-GQD-incorporated thin-film composite membranes with a SBS NFM substrate show an enhanced FO performance regarding water ... -
Graphene wrapped Y2O3 coated LiNi0.5Mn1.5O4 quasi-spheres as novel cathode materials for lithium-ion batteries
( Elsevier Editora Ltda , 2021 , Article)LiNi0.5Mn1.5O4 with a high-voltage spinel structure is a potential cathode material for high-energy lithium-ion batteries (LIBs). Y2O3 coated quasi-spheres of LiNi0.5Mn1.5O4 covered in graphene (LNMO-YO-G) have been ... -
Graphene-based catalysts for carbon monoxide oxidation: Experimental and theoretical insights
( Elsevier , 2023 , Article)Graphene-based catalysts are important in various applications ranging from hydrogen production to fuel cells and gas conversion reactions, due to their high surface area, low density, great mechanical properties, and rich ... -
Graphene-filled PDMS Composite for Tactile Sensing of Surgical Graspers
( IEEE Computer Society , 2019 , Conference Paper)For tactile sensors to become useful technology, the required features should be flexibility, durability, and its sensitivity to physical contact. Conductive elastomer nanocomposites are widely used in fabricating a variety ... -
Graphite powder mixed with black paint on the absorber plate of the solar still to enhance yield: An experimental investigation
( Elsevier B.V. , 2021 , Article)The main goal of present article is to see how adding graphite powder and black paint to the absorber plate can increase solar still yield. Therefore, two identical in size solar stills called modified solar still (MSS) ... -
Green Chemistry and its Implementation in Pharmaceutical Analysis : Green Pharmaceutical Analysis
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The expanding progression of industrial development was a pioneer for world economic growth. Green chemistry has been defined as ‘the employment of techniques and methodologies that reduce or eliminate the use or production ... -
Green Climate Fund (GCF): Role, Capacity Building, and Directions as a Catalyst for Climate Finance
( Springer, Cham , 2019 , Book chapter)The Green Climate Fund (GCF) is one of the several special climate change funds that have been established under Article 11 of the United Nations Framework Convention on Climate Change (UNFCCC). These funds aim to finance ... -
Green energy powered - vapor, thermal and UV light assisted disinfection technology
( Elsevier , 2023 , Article)Infectious diseases are responsible for an immense global burden of disease that impacts public health systems and economies worldwide. The rapid increase in the use of protective items has introduced an urge for their ... -
A green method for removing chromium (VI) from aqueous systems using novel silicon nanoparticles: Adsorption and interaction mechanisms
( Elsevier , 2022 , Article)In the present study, we used the horsetail plant (Equisetum arvense) as a green source to synthesize silicon nanoparticles (GS-SiNPs), considering that it could be an effective adsorbent for removing chromium (Cr (VI)) ... -
Green operator cooperation for radio frequency transmission minimization
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)The increasing demand for reliable mobile services with faster communications speed requires high capital investment in the radio access networks. This leads to enormous energy consumption, high operational costs (OPEX), ... -
Green Synthesis of Silver Nanoparticles from Pterocarpus santalinus Leaf Broth and Their Antibacterial and Antioxidant Activities
( Wiley-VCH Verlag , 2020 , Article)In this study, metallic silver nanoparticles (AgNPs) are synthesized through a simplistic, single-step method, which is a green and eco-friendly process, as it includes medicinal plant aqueous leaf extracts of Pterocarpus ... -
Green synthesized materials for sensor, actuator, energy storage and energy generation: a review
( Taylor and Francis Inc. , 2020 , Article)Green synthesis methods have attracted enormous research interest as replacements for dangerous chemicals due to their abundance and eco-friendliness. The remarkable properties of green synthesized materials include ... -
Green synthesized zinc oxide nanoparticles for removal of carbamazepine in water and soil systems
( Elsevier , 2024 , Article)During the COVID-19 pandemic, there was a significant increase in pharmaceutical releases (4 %), which created a pressing global need for solutions. In this study, we explored the use of zinc oxide nanoparticles (GS-ZnONPs) ... -
Ground water treatment using solar radiation-vaporization & condensation-techniques by solar desalination system
( Taylor and Francis Ltd. , 2020 , Article)Solar Desalination unit with three basins system used for groundwater treatment. The incoming rate of water was measured in Solar based Distillation collected water during the morning to evening (8:00 am to 6:00 pm). In ... -
Groundwater Contamination in Arid Coastal Areas: Qatar as a Case Study.
( Wiley , 2024 , Article)The Arab region is located in an arid environment and suffers from water scarcity and poor water quality which are expected to become more severe in coming years due to global warming. In this study, the groundwater quality ...
