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壳聚糖铜固定化多酚氧化酶的研究
Authors
雷福厚
Publication date
1 June 2000
Publisher
林产化学与工业,2000年02期
Abstract
通过壳聚糖上的—NH2 与Cu2 + 生成不饱合络合物 ,以高分子配位键法 ,对多酚氧化酶 (PPO)固定化 ,实验结果表明这种方法是可行的。固定化多酚氧化酶的最佳pH值为 6 2 4 ,在 70℃放置 2 5min后酶活力保留 31 1%。讨论了固定化酶的重复使用性、米氏常数及底物对固定化酶的影响
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Institutional Repository of Guangxi University for Nationalities (GUN) / 广西民族大学机构知识库
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Last time updated on 17/10/2019