Abstract
2-Amino-4-chloro-s-triazine, a derivative of DEAE-cellulose, and acrolein/styrene copolymer were used as supports for the immobilization of glucose oxidase and catalase after being modified with diaminohexane followed by glutaraldehyde. Immobilization was carried out with optimum glucose oxidase-catalase ratios. The activity variations of the immobilized dual-enzyme systems were investigated in relation to pH and temperature. Time-dependent gluconic acid production resulting from the oxidation of glucose was monitored in a recycling fluid-bed reactor. The deactivation rates of glucose oxidase and catalase were investigated according to the first-order reaction kinetics depending on the presence of the intermediate product H2O2.
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Tarhaqn, L., Telefoncu, A. Characterization of immobilized glucose oxidase—catalase and their deactivation in a fluid-bed reactor. Appl Biochem Biotechnol 26, 45–57 (1990). https://doi.org/10.1007/BF02798392
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DOI: https://doi.org/10.1007/BF02798392