Structure and activity of Candida antarctica lipase B in ionic liquids

被引：129
|
作者：
van Rantwijk, F
Secundo, F
Sheldon, RA
机构：
[1] CNR, Ist Chim Riconoscimento Mol, I-20133 Milan, Italy
[2] Delft Univ Technol, Lab Biocatalysis & Organ Chem, NL-2628 BL Delft, Netherlands
来源：
GREEN CHEMISTRY | 2006年 / 8卷 / 03期
关键词：
D O I：
10.1039/b513062j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effects of ionic liquid media on the activity of Candida antarctica lipase B in a simple transesterification reaction were studied. In ionic liquids containing dicyanimide, alkylsulfate, nitrate and lactate anions, which dissolved CaLB, the reaction was at least ten times slower than in [BMIm][BF4]. Only [Et3MeN][MeSO4] was an exception, as dissolved CaLB maintained its activity in this solvent. A cross-linked enzyme aggregate of CaLB was twice as active in [BMIm][dca] as in tert-butyl alcohol, whereas the free enzyme was irreversibly deactivated in this latter ionic liquid.
引用
收藏
页码：282 / 286
页数：5
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