Abstract
Immobilization of pyranose oxidase (E.C.1.1.3.10) from Phanerochaete chrysosporium is described. The enzyme was bound to a glass-beaded support according to the glutardialdehyde, diazo, and carbodiimide methods with activity yields of 10%–23.3%. Characterization of the enzyme immobilized with the glutardialdehyde showed enhanced operational, storage, and temperature stability. The temperature optimum remained unchanged, but the pH optimum was slightly altered. Kinetic properties and the relative substrate specificites for glucose and xylose showed certain differences.
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