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[碱性脂肪酶的吸附固定化]

[Adsorption immobilization of alkaline lipase].

作者信息

Sof'ina E Ia, Rakhimov M M, Shteĭn I V, Arends I M, Dorokhov V V

出版信息

Prikl Biokhim Mikrobiol. 1991 Jul-Aug;27(4):523-8.

PMID:1745647
Abstract

A polyamide with the covalently coupled phosphatidyl ethanolamine was used for affinity adsorption of an alkaline lipase from Pseudomonas aeruginosa. The immobilization resulted in increase of the enzyme specific activity. Some properties of native and adsorbed enzyme were compared. The temperature optima, heat and pH stability, KM and Vmax values were determined for both native and immobilized enzymes.

摘要

一种共价偶联磷脂酰乙醇胺的聚酰胺用于亲和吸附铜绿假单胞菌的碱性脂肪酶。固定化导致酶比活性增加。比较了天然酶和吸附酶的一些性质。测定了天然酶和固定化酶的最适温度、热稳定性和pH稳定性、米氏常数(KM)和最大反应速度(Vmax)值。

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