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	Magnetically separable biocatalyst for efficient resolution of racemic secondary alcohols; 可磁性分离的高效拆分手性醇的生物催化剂
	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)
	2008-07-13
会议名称	1４th international congress on catalysis
会议日期	2008-7-13
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
通讯作者	李灿
中文摘要	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.
会议主办者	第十四届国际催化会议组委会
学科主题	物理化学
语种	中文
内容类型	会议论文
源URL	[http://159.226.238.44/handle/321008/112914]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
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, 可磁性分离的高效拆分手性醇的生物催化剂[C]. 见:1４th international congress on catalysis. 韩国. 2008-7-13.

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