Mullen WH, Churchouse SJ, Keedy FH, Vadgama PM. Enzyme electrode for the measurement of lactate in undiluted blood.
Clin Chim Acta 1986;
157:191-8. [PMID:
3719998 DOI:
10.1016/0009-8981(86)90225-1]
[Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
An enzyme electrode is described based upon the enzyme lactate oxidase (EC 1.1.3.2) coupled to an H2O2 sensor. Use of an organosilane-treated microporous membrane over the enzyme layer, allows responses linear to 18 mmol/l L-lactate with response times of 1-3 min, whilst giving independence from stirring. The method is suitable for the bedside analysis of a single drop of undiluted whole blood. Correlation with a routine method gave y = 0.96x + 0.11, r = 0.996, n = 46.
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