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  • Title: [Immobilization of commercial glucoamylase on the polymer carrier].
    Author: Iarovenko VL, Pisarenko TN, Ustinnikov BA, Rodzevich VI, Camoilova NA.
    Journal: Prikl Biokhim Mikrobiol; 1979; 15(6):869-73. PubMed ID: 119963.
    Abstract:
    Commercial glucoamylase was immobilized on the polymer carrier produced by the binding of 4--8 mol.% 4,4'-diamine diphenyl oxide of the maleic anhydride copolymer with N-vinyl pyrrolidone. Two types of immobilized preparations were obtained: with covalent absorption and covalent attachment of the enzyme to the polymer. Glucoamylase activity of the first preparation was 20,000--60,000 and that of the second was 40--120 units/g polymer. Covalent-attached preparations showed a more prolonged action than covalent-absorbed ones.
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