Ion carrier membrane, and ion sensor having same

Details Ion carrier membrane, and ion sensor having same Ion carrier membrane, and ion sensor having same

1990-10-05

1992-01-07

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

20415321, 2041802, 204433, G01N 27414

Patent

active

050788566

ABSTRACT:
The surface of an electrically conductive substrate (1) is provided with a redox layer (5) by an electrolytic polymerization process, and the surface of the resulting member is further provided with an ion carrier membrane (6) which includes polyvinyl chloride, a plasticizer and an ion carrier, thereby forming an ion sensor. Used as the plasticizer is one selected from among phthalate plasticizers, maleate plasticizers, adipate plasticizers, carboxylate plasticizers and polycaprolactone plasticizers, or one selected from among plasticizers comprising modified ethylene-- vinyl acetate copolymer. The ion sensor obtained has low solubility in the plasticizer of the redox layer and therefore is highly stable. Since the ion sensor has little toxicity, it can be used in vivo.

REFERENCES:
patent: 4454007 (1984-06-01), Pace
patent: 4773969 (1988-09-01), Miura et al.

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