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- Ukr Biokhim Zh (1978)1
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- ArticleDegtiar' RG, Gulyĭ MF.Ukr Biokhim Zh (1978). 1979 Jul-Aug;51(4):363-8.Penicillium vitale glucose-oxidase modified by means of the carbohydrate component oxidation is added covalently to aminoorganosylochrome. The activity of the immobilized preparations is 20-38% depending on the protein-carrier ration in immobilization. Comparison of some properties of native and immobilized glucose-oxidase showed that the rH optimum of the immobilized glucose-oxidase is slightly widened towards the alkaline regions; the immobilized glucose-oxidase possesses a considerably higher pH-stability at pH alkaline values; the immobilized glucose-oxidase preparations are characterized by a significantly greater thermostability: their thermoinactivation constant at 65 degrees C is 8-10 times lower than that of the native enzyme.