Membrane based electrochemical test device and related methods

Details Membrane based electrochemical test device and related methods Membrane based electrochemical test device and related methods

1998-09-30

1999-12-14

Tung, T.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For halogen or halogen containing compound

205793, 204415, 204403, 427213, G01N 2726

Patent

active

060012390

ABSTRACT:
An electrochemical test device is provided for determining the presence or concentration of an analyte in an aqueous fluid sample. The electrochemical test device includes a working electrode and a counter electrode made of an amorphous semiconductor material. The working electrode is overlaid with a reagent capable of reacting with an analyte to produce a measurable change in potential which can be correlated to the concentration of the analyte in the fluid sample. The test device optionally contains a reference electrode made of an amorphous semiconductor material having a reference material on the reference electrode.

REFERENCES:
patent: 5437999 (1995-08-01), Diebold et al.
Yokoyama, K., et al., "Amperometric Glucose Sensor Using Silicon Oxide Deposited Gold Electrodes" Electroanalysis, vol. 3, No. 4/05, May 1991, pp. 469-475, XP002041662.
Patent Abstracts of Japan, vol. 9, No. 243 (P-392), Sep. 30, 1985 and JP 60 095343 A, (Hiratsuka Kazuya) May 28, 1985, see abstract.
International Search Report, PCT/US98/20575, filed Sep. 30, 1998.

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