نتایج جستجو برای: choline chloride
تعداد نتایج: 100366 فیلتر نتایج به سال:
Deep eutectic solvents (DESs) have been used for the first time as a sustainable medium in radical-mediated molecular organic synthetic protocols. This study reports an efficient protocol C–C bond formation through radical conjugate addition of simple olefins (di- and trisubstituted). An inexpensive abundant iron catalyst [Fe(acac)3] together with nontoxic silane (poly(methylhydrosiloxane) (PMH...
Binary and ternary deep eutectic solvent mixtures: Influence on methylene blue electropolymerisation
Binary and ternary deep eutectic solvent (DES) mixtures based on choline chloride, with ethylene glycol, oxalic acid, urea fructose, were used for the first time as media electropolymerisation of poly(methylene blue) (PMB) glassy carbon electrodes (GCEs) GCEs modified multiwalled nanotubes (MWCNTs). The influence different parameters such DES composition, presence MWCNTs and/or perchlorate dopa...
The main focus of this research is the synthesis and evaluation Pd-Co bimetallic catalysts, in formic acid electrochemical oxidation reaction (FAOR). catalysts used were synthesized by electrodeposition using a choline chloride urea Deep Eutectic Solvent (DES) termed reline, as electrolytic medium. Electrodeposition potentials previously selected after analysis Cyclic Voltammetry (CV) Chronoamp...
Abstract Deep eutectic solvents (DESs) are new sustainable and cheap reaction media combining the features of both ionic liquids organic solvents. They made up by association hydrogen‐bond donors acceptors, they can promote hydrolysis lignocellulosic bonds. Herein microwave‐assisted treatment waste wood flours with a DES constituted choline chloride oxalic acid to get cellulosic residue separat...
BACKGROUND This study aimed to investigate the possible serum protein changes after endotoxin administration in healthy and choline-treated calves using proteomics. These results are expected to contribute to the understanding of the pathophysiological mechanisms of endotoxemia and the beneficial effect of choline administration in this clinical situation. METHODS Healthy-calves (n = 20) were...
• Water effect on Deep Eutectic Properties. molecules changing properties through the development of hydrogen bonding. Three composition regions as a function water content. Hydration up to roughly 30 wt% maintaining most features eutectic. The controlled exposure hydrophilic deep eutectics control properties. and nanostructuring prototypical choline chloride: ethylene glycol eutectic solvent i...
A choline chloride-urea (ChCl-urea) deep eutectic solvent (DES) was used to experimentally investigate the secondary recovery of zinc from zinc-bearing dust sludge via a leaching process. The effects varying liquid–solid ratio, temperature, stirring speed, and time on efficiency were determined, optimum values these parameters found be 15:1, 90 °C, 400 rpm, 600 min, respectively, at which 86.87...
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