A specific microbial sensor for formic acid

Tadashi Matsunaga, Isao Karube, Shuichi Suzuki

研究成果: Article査読

35 被引用数 (Scopus)

抄録

A microbial sensor consisting of immobilized Clostridium butyricum, two gas permeable Teflon membranes and fuel cell type electrode was suitable for the determination of formic acid. When the sensor was inserted into the sample solution containing formic acid, the current increases to a steady state with a response time of 20 min. The relationship between the steady state current and the formic acid concentration is linear up to 1 000 mg l-1. The currents are reproducible with an average relative error of 5%. Selectivity of the sensor is satisfactory. Results obtained with this sensor and by gas chromatography were in good agreement (regression coefficient; 0.98) when the cultivation medium of Aeromonas formicans was employed. Immobilized Clostridium butyricum is stable for more than 20 days.

本文言語English
ページ(範囲)235-243
ページ数9
ジャーナルEuropean Journal of Applied Microbiology and Biotechnology
10
3
DOI
出版ステータスPublished - 1980 9
外部発表はい

ASJC Scopus subject areas

  • Microbiology
  • Biotechnology
  • Medicine(all)

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