Electrochemical sterilization of bacteria adsorbed on granular activated carbon

Tadashi Matsunaga*, Satoshi Nakasono, Seiichi Masuda

*この研究の対応する著者

研究成果: Article査読

32 被引用数 (Scopus)

抄録

The electrochemical sterilization of bacteria adsorbed on granular activated carbon (GAC) was demonstrated. The survival ratio of bacteria on GAC was dependent upon the applied potential. The survival ratio of Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Saccharomyces cerevisiae vs. saturated calomel electrode (SCE) was below 1% at 0.75, 0.8, 1.0 and 0.65 V, respectively. The electrochemical sterilization of tap water containing E. coli was carried out when 3.5 ml of the cell suspension (4.0 × 102 cells/ml was incubated with 2.0 g of GAC for 5 h at 0.7 V vs. SCE. The number of E. coli adsorbed on GAC and the cell concentration in the water decreased rapidly. E. coli on GAC were electrochemically killed and the cell numbers did not increase.

本文言語English
ページ(範囲)255-259
ページ数5
ジャーナルFEMS Microbiology Letters
93
3
DOI
出版ステータスPublished - 1992 6月 15
外部発表はい

ASJC Scopus subject areas

  • 微生物学
  • 分子生物学
  • 遺伝学

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