Immobilized enzymes

Details Immobilized enzymes Immobilized enzymes

1974-05-10

1977-03-22

Naff, David M.

Textiles: fiber preparation

195 68, 195DIG11, 426 36, 426 42, 526 15, 526 50, 526 51, 526271, C07G 702

Patent

active

040135110

ABSTRACT:
Enzymes are convalently found to anionic or cationic hydrophilic polymeric carriers formed by essentially complete reaction of pendent anhydride groups of ethylene-maleic anhydride copolymer (EMA) with a diamine selected from the group consisting of hydrazine, P, P'-diaminodiphenylmethane and 1,6-diaminohexane to produce resins having pendent amine groups. The EMA-hydrazide and EMA- P,P'-diaminodiphenylmethane resins can be rendered cationic by reaction with N,N-dimethyl-1,3-propanediamine.

REFERENCES:
patent: 3597220 (1971-08-01), Weinrich et al.
patent: 3650900 (1972-03-01), Cerin et al.
patent: 3706633 (1972-12-01), Katchalski et al.
Hornby et al., The Preparation Of Trypsin Chemically Attached to Nylon Tubes, Biochim. Biophys. Acta. vol. 220, 1970, (pp. 343-345).
Levin et al., A Water-Insoluble Polyanionic Derivative of Trypsin, Biochemistry, vol. 3, No. 12, 1964, (pp. 1905-1912).
Ferrier et al., Continuous Coagulation of Skimmilk With Insoluble Pepsin, J. Dairy Science, vol. 54, No. 5, 1971, (p. 762).

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