Urease-immobilized urea electrode and process for preparing the

Details Urease-immobilized urea electrode and process for preparing the Urease-immobilized urea electrode and process for preparing the

1983-09-30

1984-10-09

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

134 42, 435 12, 435174, 435177, 435817, G01N 2730, C12Q 100, C12Q 158

Patent

active

044760051

ABSTRACT:
Urea electrode comprises a urease-immobilized membrane having added amino groups prepared by dipping an immobilized membrane in an aqueous solution of ethylenediamine or polylysine and an electrode for quantitative determination of ammonium ions. The electrode has a shorter measurement time with a larger electrode output.

REFERENCES:
patent: 3776819 (1973-12-01), Williams
G. G. Guilbault et al., Anal. Chem., vol. 45, No. 2, pp. 417-419, Feb. 1973.
M. Mascini et al., Anal. Chem., vol. 49, No. 6, pp. 795-798, May 1977.

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