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Author:
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Year:
Volume:
Issue:
qing mei su zuo hua mei huo xing ce ding
Author(s):
ZHU Jun
,
WANG Runzhen
Pages:
53
-
71
Year:
1988
Issue:
1
Journal:
Chinese Journal of Antibiotics
Keyword:
酰化酶
;
发酵液
;
硝基苯甲酸
;
乙酞胺
;
酶活性测定
;
消光值
;
华北制药厂
;
乙酰胺基
;
磁力加热搅拌
;
取样时间
;
Abstract:
<正> 我国从七十年代开展了青霉素酰化酶的研究和生产。大多数采用NIPABA法(3-苯乙酰胺基-6-硝基苯甲酸法)测定酶活性。目前世界上许多国家在青霉素酰化酶的活性测定中主要使用PDAB法(对-二甲胺基苯甲醛法)。由于测定方法不同。国内外酶活性水平很难比较。本文叙述改进的PDAB法用于大肠杆菌发酵液和湿细胞中青霉素酰化酶活性测定。
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