Fatty Acid-Derived Ionic Liquid Lubricant. Protic Ionic Liquid Crystals as Protic Ionic Liquid Additives
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چکیده
منابع مشابه
Water and a protic ionic liquid acted as refolding additives for chemically denatured enzymes.
In this communication, we present the ability of water and a protic ionic liquid, triethyl ammonium phosphate (TEAP) to act as refolding additives for the urea-induced chemical denaturated state of the two enzymes, α-chymotrypsin and succinylated Con A. We show that the enzymatic activity is regained and in certain circumstances enhanced.
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The practical utility of ionic liquids (ILs) makes the absence (heretofore) of reported examples from nature quite puzzling, given the facility with which nature produces many other types of exotic but utilitarian substances. In that vein, we report here the identification and characterization of a naturally occurring protic IL. It can be formed during confrontations between the ants S. invicta...
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The activity of proteases chymotrypsin and subtilisin dissolved in a range of protic hydroxylalkylammonium ionic liquids was tested against the model substrate APEE (N-acetyl-L-phenylalanine ethyl ester); activity was only observed for subtilisin in diethanolammonium chloride (DEA Cl), while chymotrypsin was not active in any PIL tested.
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The last five years' achievements in the synthesis and investigation of thermotropic ionic liquid crystals are reviewed. The present review describes the mesomorphic properties displayed by organic, as well as metal-containing ionic mesogens. In addition, a short overview on the ionic polymer and self-assembled liquid crystals is given. Potential and actual applications of ionic mesogens are al...
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The development of improved anti-wear additives would enable the use of lower viscosity oils that would lead to improved efficiency. Ionic liquids have the potential to be this type of new anti-wear additive. However, currently the best performing ionic liquids that are miscible in non-polar base oils, the phosphonium phosphates, contain phosphorus on both the cation and anion. Manufacturers ar...
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ژورنال
عنوان ژورنال: Coatings
سال: 2019
ISSN: 2079-6412
DOI: 10.3390/coatings9110710