Membrane electrode for non-ionic species

Details Membrane electrode for non-ionic species Membrane electrode for non-ionic species

1981-08-10

1984-04-03

Padgett, Benjamin R.

Surgery

Truss

Pad

435 15, 204400, A61B 500

Patent

active

044401752

ABSTRACT:
Concentrations of non-ionic species in aqueous media are measured as a function of potentiometric or polarographic response, employing a membrane electrode selective for the non-ionic species being measured. The electrode comprises a conductive substrate and a membrane formed as a layer on the conductive substrate and adapted for interfacing with the aqueous medium. The membrane is composed of a polymeric matrix having dispersed or dissolved therein an anion exchange material and a water-insoluble salt of the non-ionic species being measured. The electrode is particularly suitable for use as an implantable glucose sensor for continuous in vivo monitoring of glucose concentration in the blood or interstitial fluid.

REFERENCES:
patent: 3966580 (1976-06-01), Janata et al.
patent: 4115209 (1978-09-01), Freiser et al.
patent: 4260680 (1981-04-01), Maramatsu et al.

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