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β-Galactosidase from Bacillus circulans was immobilized on hierarchical macro-mesoporous silica by multipoint covalent attachment by formation of Schiff bases between enzyme and support. The enzyme was effectively immobilized with high yields (around 60–80%) and expressed activity (around 50–80%) depending on the concentration of aldehyde groups in the carrier. Immobilization of β-galactosidase in...
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