Chemistry: analytical and immunological testing – Measurement of electrical or magnetic property or thermal... – Of a liquid
Patent
1984-02-17
1985-04-16
Kaplan, G. L.
Chemistry: analytical and immunological testing
Measurement of electrical or magnetic property or thermal...
Of a liquid
73 611C, 204 1T, 204403, 204406, 204411, 422 70, 436111, 436161, 436175, G01N 2752, G01N 3348
Patent
active
045116598
ABSTRACT:
An improved apparatus for electrochemically analyzing a sample in solution is described. The apparatus comprises an electrochemical detector comprising a plurality of electrochemically isolated flow cells arranged in series so as to define at least one flow path. Each of the electrochemical flow cells in turn comprises at least one working electrode, at least one reference electrode, and at least one counter electrode. Electrical potentials are applied to the various working electrodes so that the sample solution is cyclically subjected to oxidation and reduction conditions whereby selected substances contained in the sample solution may be electrically screaned or modified prior to detection and measurement on a downstream sensing electrode.
REFERENCES:
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patent: 4233031 (1980-11-01), Matson et al.
patent: 4338811 (1982-07-01), Miyagi et al.
patent: 4343767 (1982-08-01), Long et al.
Aaron H. Anton et al., J. Pharmacol. Exp. Ther., 138, pp. 360-375, (1962).
Esa Inc.
Kaplan G. L.
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