Browsing by Title
Now showing items 23841-23860 of 49308
-
Synthesis of Fe3O4 Nanoparticles with Different Shapes Through a Co-Precipitation Method and Their Application
( Springer , 2022 , Article)Magnetic Fe3O4 nanoparticles (NPs) were successfully synthesized via co-precipitation method using ferric chloride and ferrous sulphate as the starting materials. The shape and the size of Fe3O4 NPs were controlled by using ... -
Synthesis of fumed silica supported Ni catalyst for carbon dioxide conversion to methane
( John Wiley and Sons Inc , 2020 , Article)In this study, we report the synthesis of a fumed silica supported Ni-based catalyst for carbon dioxide conversion to methane. Ni/fumed-SiO2 was prepared by loading the active agent precursor solution on the high surface ... -
Synthesis of Gemini cationic surfactants based on natural nicotinic acid and evaluation of their inhibition performance at C-steel/1 M HCl interface: Electrochemical and computational investigations
( Elsevier , 2023 , Article)Herein, we prepare effective Gemini cationic surfactants (CSII, CSIV) and characterize them using FT-IR and 1HNMR spectroscopy. The adsorptive properties of CSII and CSIV at HCl/air and C-steel/HCl interfaces were examined ... -
Synthesis of graphene oxides particle of high oxidation degree using a modified Hummers method
( Elsevier Ltd , 2020 , Article)High-oxidation-degree graphene oxide particles were synthesized using a modified Hummers' method. Six different types of particles were synthesized by varying the operating conditions, including the temperature, the reactant ... -
Synthesis of High-Antifouling and Antibacterial Ultrafiltration Membranes Incorporating Low Concentrations of Graphene Oxide
( Qatar University Press , 2020 , Poster)Membrane treatment for wastewater treatment is one of the promising solutions to affordable clean water. It is a developing technology throughout the world and considered as the most effective and economical method ... -
Synthesis of Highly Efficient Bifunctional Ag/Co3O4 Catalyst for Oxygen Reduction and Oxygen Evolution Reactions in Alkaline Medium
( American Chemical Society , 2018 , Article)Ag/Co3O4 catalysts using three different modes of solution combustion synthesis were developed and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron ... -
Synthesis of hydroxide nanoparticles of Co/Cu on carbon nitride surface via galvanic exchange method for electrocatalytic CO2 reduction into formate
( Elsevier B.V. , 2020 , Article)Herein we report Co and Cu based metal hydroxides (Co(OH)2/Cu(OH)2) on carbon nitride (C3N4) surface via replacement of Co nanoparticles (NPs) through galvanic exchange method for electrocatalytic carbon dioxide reduction. ... -
Synthesis of in situ photoinduced halloysite-polypyrrole@silver nanocomposite for the potential application in humidity sensors
( MDPI AG , 2020 , Article)Halloysite-polypyrrole-silver nanocomposite has been prepared via in situ photopolymerizations of pyrrole in the presence of silanized halloysite and silver nitrate as a photoinitiator. The halloysite nanoclay (HNT) was ... -
Synthesis of iron modified rice straw biochar toward arsenic from groundwater
( Institute of Physics Publishing , 2019 , Article)The potential of Fe modified biochar (BC) as an alternative, inexpensive adsorbent for removing As(V) from wastewater was investigated. BC was synthesized from the slow pyrolysis of rice straw and then modified with FeCl3. ... -
Synthesis of iron oxide nanoparticles to enhance polysulfone ultrafiltration membrane performance for salt rejection
( Italian Association of Chemical Engineering - AIDIC , 2017 , Article)The main target of membrane technologies is to provide better filtration and separation of organic and inorganic substance from water as well as for longer life of the membrane. Iron oxide (α-Fe2O3) nanoparticles (NPs) ... -
Synthesis of mesoporous carbons with controlled morphology and pore diameters from SBA-15 prepared through the microwave-assisted process and their CO2 adsorption capacity
( Elsevier B.V. , 2016 , Article)Mesoporous carbon materials (CMK-3-T-MW) with high surface area, different pore diameters and rod shaped morphology were synthesized via nanocasting technique using the SBA-15 templates prepared by ultra-fast microwave-assisted ... -
Synthesis of Metallocene Catalyzed Ethylene 1,7-Octadiene Copolymer: Effect of Copolymerization on Polymer Properties
( Polymer Society of Korea , 2018 , Article)In this article, metallocene catalyzed polyethylene homopolymer and ethylene 1,7-octadiene copolymers were synthesized and the produced polymers were characterized. The results show that these polymers were high density ... -
Synthesis of minimal-size ZnO nanoparticles through sol-gel method: Taguchi design optimisation
( Elsevier BV , 2015 , Article)Zinc oxide (ZnO) has excellent potential to be used in water and wastewater treatment, either as a photocatalyst or in membrane incorporation. In this work, the synthesis of smaller ZnO NPs through a sol-gel approach was ... -
Synthesis of N -Heterocycles via Transition-Metal-Catalyzed Tandem Addition/Cyclization of a Nitrile
( Thieme Gruppe , 2020 , Article)The diverse methodologies to synthesize N -heterocycles through transition-metal-catalyzed cascade addition/cyclization of a nitrile are discussed in this review. Aspects relating to three types of transition-metal-catalyzed ... -
Synthesis of Nanosilica for the Removal of Multicomponent Cd2+ and Cu2+ from Synthetic Water: An Experimental and Theoretical Study
( MDPI , 2022 , Article)Copper and cadmium ions are among the top 120 hazardous chemicals listed by the Agency for Toxic Substances and Disease Registry (ATSDR) that can bind to organic and inorganic chemicals. Silica is one of the most abundant ... -
Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine
( Elsevier , 2023 , Article)This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ... -
Synthesis of new amines for enhanced carbon dioxide (CO2) capture performance: The effect of chemical structure on equilibrium solubility, cyclic capacity, kinetics of absorption and regeneration, and heats of absorption and regeneration
( Elsevier B.V. , 2016 , Article)This work focused on the synthesis of new tertiary amines by varying the alkyl chain length with/without hydroxyl group in the structure. The effect of chemical structure of newly synthesized tertiary amines; 4-(dimethyl ... -
Synthesis of New Chromene Derivatives Targeting Triple-Negative Breast Cancer Cells
( MDPI , 2023 , Article)Breast cancer continues to be the leading cause of cancer-related deaths among women worldwide. The most aggressive type of breast cancer is triple-negative breast cancer (TNBC). Indeed, not only does TNBC not respond well ... -
Synthesis of Novel Aqua ƞ4-NNNO/Cu(II) Complexes as Rapid and Selective Oxidative Catalysts for O-Catechol: Fluorescence, Spectral, Chromotropism and Thermal Analyses
( MDPI , 2021 , Article)A new tetradentate Schiff base (SB), (E)-4-fluoro-2-(1-((2-(piperazin-1-yl)ethyl)imino)ethyl)phe-nol, was synthesized from condensation of 2-(1-piperazinyl)ethylamine and 5-fluoro-2-hydroxyacetophe-none. This ligand was ... -
Synthesis of novel Cubane [Ni4(O∩O)4(OCH3)4(OOH)4] cluster: XRD/HSA-interactions, spectral, DNA-binding, docking and subsequent thermolysis to NiO nanocrystals
( Elsevier , 2020 , Article)Under liquid-state vibration ultrasonic mode, the Ni4(O∩O)4(OCH3)4(OOH)4 complex [O∩O-bidentate ligand = 4,4,4-trifluoro-1-phenylbutane-1,3-dione] was synthesized from metal precursor and ligand in 10% H2O2/MeOH media, as ...