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学科主题物理化学
Magnetically separable biocatalyst for efficient resolution of racemic secondary alcohols
Zhang YM(张艳梅); Li J(李军); Han DF(韩涤非); Liu P(刘鹏); Gao Q(高强); Li C(李灿)
会议名称14th International Congress on Catalysis
会议日期2008-7-13
2008-07-13
会议地点韩国
其他题名可磁性分离的高效拆分手性醇的生物催化剂
页码185/1
部门归属五室
主办者第十四届国际催化会议组委会
英文摘要The combination of magnetic nanoparticles and mesoporous silica can present a strategy for enzyme immobilization. In this paper, we present the preparation of a magnetically separable, highly efficient biocatalyst adsorbed in magnetic siliceous mesocellular foam for the kinetic resolution of racemic secondary alcohols. The resolution of 1-phenylethanol acylated with vinyl acetate can be achieved within 1.5 h using the resultant magnetic biocatalyst, whereas only a conversion of 30% was obtained by using the free lipase under the identical reaction conditions. Moreover, the biocatalyst entrapped in the nanopores of the foam can be recycled magnetically for at least seven times without significant loss of its activity and enantioselectivity. This approach could be a general strategy for the immobilization of various enzymes and for a wide application in catalysis as well as other fields.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112914
专题中国科学院大连化学物理研究所
通讯作者Li C(李灿)
推荐引用方式
GB/T 7714
Zhang YM,Li J,Han DF,et al. Magnetically separable biocatalyst for efficient resolution of racemic secondary alcohols[C],2008:185/1.
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