Selective permeable membrane and electrode using the same

Details Selective permeable membrane and electrode using the same Selective permeable membrane and electrode using the same

1990-03-07

1993-09-07

Russel, Jeffrey E.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

204290R, 204291, 204403, 435180, 435817, 530362, C12N 1108, C12Q 125, C25B 1104, G01N 2726

Patent

active

052427935

ABSTRACT:
An electrode comprising an electrically conductive base, and a selectively permeable membrane which is produced by forming a membrane from a mixed solution comprising (a) albumin, (b) at least one type of crosslinking agent and (c) chitosan. The selectively permeable membrane is useful, e.g., in conjuction with an electrode. An enzyme electrode is also provided having the selectively permeable membrane disposed on the electrode and an immobilized enzyme membrane disposed on the selectively permeable membrane. The immobilized enzyme membrane is prepared by incorporating a carboxylate into the solution containing the enzyme and an aldehyde as the crosslinking agent. The crosslinking is effected by heating or drying.

REFERENCES:
patent: 4224125 (1980-09-01), Nakamura et al.
patent: 4659665 (1987-04-01), Freeman et al.
patent: 5034330 (1991-07-01), Yamori et al.
Toyobo Co. Ltd., Chem. Abs. vol. 94 No. 25 Entry #205036 d (1981).
Katayama, Chem. Abs. vol. 110 No. 25 Entry #228160c (1989).

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