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Remarkably improved stability and enhanced activity of a Burkholderia cepacia lipase by coating with a triazolium alkyl-PEG sulfate ionic liquid
Ist Teil von
Green chemistry : an international journal and green chemistry resource : GC, 2017, Vol.19 (21), p.5250-5256
Ort / Verlag
Cambridge: Royal Society of Chemistry
Erscheinungsjahr
2017
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Three types of triazolium cetyl-PEG10 sulfate ionic liquid were synthesized and their activation of Burkholderia cepacia lipase was investigated; both the reaction rate and enantioselectivity depended on the cationic part of the coating ILs and 1-butyl-3-methyl-1,2,3-triazolium cetyl-PEG10 sulfate ( Tz1 )-coated lipase PS, which is especially suitable for the transesterification of 1-(pyridin-2-yl)ethanol, 1-(pyridin-3-yl)ethanol, and 1-(pyridin-4-yl)ethanol, among 12 types of tested secondary alcohol. The most important result was obtained when these enzymes were stored in an IL ([N 221MEM ][Tf 2 N]) solvent: Tz1-PS showed an amazing stability and it exhibited an excellent activity after 2 years when the enzyme was stored in [N 221MEM ][Tf 2 N].