Enzymes immobilized on chitosan

Details Enzymes immobilized on chitosan Enzymes immobilized on chitosan

1976-04-01

1978-06-13

Naff, David M.

Textiles: fiber preparation

195 68, 195DIG11, C07G 702

Patent

active

040947432

ABSTRACT:
An enzymatically active product insoluble in aqueous medium is prepared by treating chitosan as an inert support with a dialdehyde, after which an enzyme is fixed to the support thus treated. The chitosan may be in powder-form or in flake-form, for example obtained by fragmenting a film of anhydrous chitosan. The enzymatically active product insoluble in aqueous medium may be treated with a compound containing an amino group and/or with a reducing reagent. The product may be freeze dried optionally in the presence of twice its weight of mannitol.

REFERENCES:
patent: 3368940 (1968-02-01), Turner, Jr. et al.
patent: 3539450 (1970-11-01), Deutsch
patent: 3706633 (1972-12-01), Katchalski et al.
patent: 3883394 (1975-05-01), Savidge et al.
patent: 3909358 (1975-09-01), Stanley et al.

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