Results 31 to 40 of about 36,109 (250)

A combined "electrochemical-frustrated Lewis pair" approach to hydrogen activation: surface catalytic effects at platinum electrodes [PDF]

open access: yes, 2014
Herein, we extend our “combined electrochemical–frustrated Lewis pair” approach to include Pt electrode surfaces for the first time. We found that the voltammetric response of an electrochemical–frustrated Lewis pair (FLP) system involving the B(C6F5)3 ...
Ashley   +48 more
core   +2 more sources

Preparation of Polyimide@Polypyrrole/Palladium Hollow Composites with Applications in Catalysis

open access: yesMedžiagotyra, 2021
Polyimide based hollow composites were successfully prepared by combining the situ and template methods together. Firstly, the complete words (PPy) shell was covered on the surface of polystyrene nanoparticles, then the polyamide acid and PdCl2 were ...
Xue FANG   +6 more
doaj   +1 more source

Theory of Solvation-Controlled Reactions in Stimuli-Responsive Nanoreactors [PDF]

open access: yes, 2015
Metallic nanoparticles embedded in stimuli-responsive polymers can be regarded as nanoreactors since their catalytic activity can be changed within wide limits: the physicochemical properties of the polymer network can be tuned and switched by external ...
Angioletti-Uberti, Stefano   +3 more
core   +4 more sources

Ethylenation of aldehydes to 3-propanal, propanol and propanoic acid derivatives

open access: yesScientific Reports, 2017
Methodology has been developed for the synthesis of 3-propanaldehydes through a five-step process in 11–67% yield from aldehydes. Aldehydes were reacted with Meldrum’s acid through a Knoevenagel condensation to give materials that upon reduction with ...
Daniel T. Payne   +2 more
doaj   +1 more source

Preparation of PdPtSn/C-Sb2O5.SnO2 electrocatalysts by Borohydride Reduction for Ethanol Electro-Oxidation in Alkaline Medium

open access: yesInternational Journal of Electrochemical Science, 2011
PdPt/C-Sb2O5.SnO2 (80:20), PdPtSn/C-Sb2O5.SnO2 (80:10:10) and PdPtSn/C-Sb2O5.SnO2 (90:05:05) electrocatalysts were prepared in a single step using H2PtCl6.6H2O, Pd(NO3)2 2H2O and SnCl2.2H2O as metal sources, sodium borohydride as reducing agent and a ...
Ricardo Marcelo Piasentin   +3 more
doaj   +1 more source

Supported Co catalysts prepared as thin films by magnetron sputtering for sodium borohydride and ammonia borane hydrolysis [PDF]

open access: yes, 2014
Supported Co catalysts were prepared for sodium borohydride and ammonia borane hydrolysis by magnetron sputtering for the first time under different conditions. Ni foam was selected as support.
Arzac, G. M.   +4 more
core   +2 more sources

An Efficient Chemoselective Reduction of Furan Series Unsaturated Dinitriles

open access: yesMolecules, 2013
An efficient reduction of double bonds conjugated with nitrile groups and acid or base sensitive furan rings with 2-phenylbenzimidazoline generated in situ has been successfully accomplished with high yields and excellent selectivity.
Janette Bobalova, Pavel Bobal
doaj   +1 more source

Fast, facile synthesis method for BAL-mediated PVP-bismuth nanoparticles

open access: yesMethodsX, 2020
Bismuth is a water-insoluble non-toxic metallic element used in a wide array of pharmaceutical products, cosmetics, and catalysts, among others. Yet, the research regarding the use of bismuth nanoparticles (BiNPs) for antimicrobial treatments is scarce ...
Roberto Vazquez-Munoz, Ph.D.   +2 more
doaj   +1 more source

Aggregation of Modified Glucuronoxylan in Water and DMSO. [PDF]

open access: yesBiopolymers
Neutron scattering study of dispersibility of glucuronoxylan and modified glucuronoxylan, in water and dimethyl sulfoxide (DMSO). ABSTRACT Glucuronoxylans are known to be only partly soluble in aqueous media. Chemical modification often aims to improve solubility, yet observations of aggregation even of the modified xylans are not uncommon.
Palasingh C   +7 more
europepmc   +2 more sources

Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2016
Zero valent iron supported on mesoporous silicanano particles (NZVI/MSNs) was prepared by the aqueous phase borohydride reduction methods. Prior to the reduction, mesoporous silica nanoparticles (MSNs) were prepared through the activation of fumed silica
Atyaf Khalid Hameed   +4 more
doaj   +1 more source

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