Structure of Immobilized Aminoacylase and Its Application in Resolution

化学工业与工程

Chemcial Industry and Engineering

2008, Vol. 25

Issue (1) :5-8 DOI:

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Structure of Immobilized Aminoacylase and Its Application in Resolution

YANG Rui-dong,ZHAO Lin,SONG Zheng-xiao,GUO Hong-yan(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)

(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract The structure of macroporous weakly basic anion resin(DEAE-D/H) with immobilized aminoacylase was analyzed by environmental scanning electron microscope.The result showed the specific activity of DEAE-D/H with immobilized aminoacylase was up to(1 400) U/g.The retention time was measured in packed bed reactor for the resolution of N-acety-methionie,and the liquid flow was continuous stirred.The conversion of L-methionine at the volumetric flow rate below 25 mL/h was nearly 100%.The immobilized aminoacylase was prepared with high stability of continuous operation and storage.

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Received 2008-01-15; published 2008-01-15

Cite this article:

YANG Rui-dong,ZHAO Lin,SONG Zheng-xiao,GUO Hong-yan.Structure of Immobilized Aminoacylase and Its Application in Resolution[J] Chemcial Industry and Engineering, 2008,V25(1): 5-8