(2)Covalent Binding OH CNBr Covalent immobilization showing activation of a carbohydrate support material with CNBr and coupling of n enyme with free min group to the activated support to form a covalent isourea bond (a) 6) 酶分子之间共价交联和与水不溶性载体共价偶联(2) Covalent Binding 酶分子之间共价交联和与水不溶性载体共价偶联