Preparation of polyvinyl alcohol-polyacrylamide composite polymer membrane by γ-irradiation for entrapment of urease

被引:21
作者
Jha, SK [1 ]
D'Souza, SF [1 ]
机构
[1] Bhabha Atom Res Ctr, Nucl Agr & Biotechnol Div, Bombay 400085, Maharashtra, India
来源
JOURNAL OF BIOCHEMICAL AND BIOPHYSICAL METHODS | 2005年 / 62卷 / 03期
关键词
polyvinyl alcohol; polyacrylamide; gamma-irradiation; ureasc; polymer membrane; entrapment;
D O I
10.1016/j.jbbm.2004.11.006
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Composite polymer membrane of polyvinyl alcohol (PVA) and acrylamide was prepared on cheesecloth support by gamma-irradiation induced free radical polymerization. The enzyme urease was entrapped in the membrane during polymerization and was cross-linked within the matrix using glutaraldehyde. The membranes could be reused a number of times without significant loss of urease activity. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:215 / 218
页数:4
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