首页> 外文期刊>Journal of Applied Polymer Science >Stability and Activity of Chymotrypsin Immobilized on Magnetic Nanogels Covered with Carboxyl Groups
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Stability and Activity of Chymotrypsin Immobilized on Magnetic Nanogels Covered with Carboxyl Groups

机译:固定在覆盖有羧基的磁性纳米凝胶上的胰凝乳蛋白酶的稳定性和活性

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摘要

alpha-chymotrypsin as model enzyme was anchored to the carboxyl-functionalized magnetic nanogels prepared by in situ photochemical polymerization. Furthermore, to explore the optimum in mobilization, the effects of immobilization time, pH of the reaction mixture, and proportion of enzyme to the magnetic nanogels were studied. The immobilized enzyme vas stable in the presence of enzyme denaturation surfactants, and maintained their activity against protein-digesting enzyme. The immobilized enzyme exhibited hydrolysis activity against the substrate of casein, and cleaved the Substrate into small fragments. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2844-2850, 2009
机译:α-胰凝乳蛋白酶作为模型酶被锚定到通过原位光化学聚合制备的羧基官能化磁性纳米凝胶上。此外,为了探索最佳的动员,研究了固定时间,反应混合物的pH值以及酶与磁性纳米凝胶比例的影响。固定化酶在酶变性表面活性剂的存在下稳定,并保持其对蛋白质消化酶的活性。固定的酶对酪蛋白的底物表现出水解活性,并且将底物切割成小片段。 (C)2008 Wiley Periodicals,Inc.J Appl Polym Sci 111:2844-2850,2009

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