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Long-term adsorption measurements in the system p-ethyltoluene/H-ZSM-5 zeolite have been performed in the temperature range 303-393 K under constant pressure conditions. The corresponding adsorption isotherms and kinetic data are presented. For temperatures higher than 333 K adsorption isotherms exhibit irreversible features. Kinetic curves show strong deviations from the behavior described by...
Laccase from the white-rot fungus Phlebia radiata was immobilized on glass beads which were activated by γ-aminopropyltriethoxysilane. 98% of the protein and 96% of the laccase activity were coupled to the support. The final preparation contained ca. 1 mg of protein per gram of glass beads. The activity of the immobilized enzyme retained after two weeks preservation at + 4°C was 100% and at + 25°...
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