A soluble
enzyme bound to an insoluble organic or inorganic matrix, or encapsulated within a
membrane in order to increase its stability and make possible its repeated or continued use.
Source:
PAC, 1994, 66, 2587
(Glossary of bioanalytical nomenclature - Part 1: General terminology, body fluids,
enzymology, immunology (IUPAC Recommendations 1994))
on page 2593