Electrochemical microbioassay of vitamin b1

Tadashi Matsunaga; Isao Karube; Shuichi Suzuki

doi:10.1016/S0003-2670(01)83234-7

Electrochemical microbioassay of vitamin b1

Tadashi Matsunaga, Isao Karube, Shuichi Suzuki

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

A microbioassay of vitamin B₁ is possible with a new electrode assembly consisting of a platinum anode and a silver peroxide cathode. The response time of the electrode decreases with increasing amount of the bacterial suspension (L. fermenti) injected. A linear relationship is obtained between the steady-state current and the concentration of vitamin B₁ in the culture broth. The microbioassay can be completed within 6 h, with relative errors of ±8%. A possible mechanism of the current generation is discussed.

Original language	English
Pages (from-to)	25-30
Number of pages	6
Journal	Analytica Chimica Acta
Volume	98
Issue number	1
DOIs	https://doi.org/10.1016/S0003-2670(01)83234-7
Publication status	Published - 1978 May 1
Externally published	Yes

ASJC Scopus subject areas

Biochemistry
Analytical Chemistry
Spectroscopy
Environmental Chemistry

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AU - Karube, Isao

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AB - A microbioassay of vitamin B1 is possible with a new electrode assembly consisting of a platinum anode and a silver peroxide cathode. The response time of the electrode decreases with increasing amount of the bacterial suspension (L. fermenti) injected. A linear relationship is obtained between the steady-state current and the concentration of vitamin B1 in the culture broth. The microbioassay can be completed within 6 h, with relative errors of ±8%. A possible mechanism of the current generation is discussed.

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Electrochemical microbioassay of vitamin b1

Abstract

ASJC Scopus subject areas

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