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冷冻-部分脱水法制成的聚乙烯醇高含水胶固定化脲酶活力收率及对脲素的分解能力明显高于聚丙烯酰胺囱定化脲酶,稳定性相近;用低浓度的戊二醛后处理,提高了固定化酶的稳定性。
Frozen - partial dehydration method made of polyvinyl alcohol high water-gel immobilized urease activity yield and urea decomposition was significantly higher than polyacrylamide chimney-fixed urease stability similar; with low concentrations of glutaraldehyde after treatment , Improve the stability of the immobilized enzyme.