Photoelectrochemical sterilization of microbial cells by semiconductor powders

Tadashi Matsunaga*, Ryozo Tomoda, Toshiaki Nakajima, Hitoshi Wake

*この研究の対応する著者

研究成果: Article査読

1146 被引用数 (Scopus)

抄録

We report the novel concept of photochemical sterilization. Microbial cells were killed photoelectrochemically with semiconductor powder (platinum-loaded titanium oxide, TiO2/Pt). Coenzyme A, (CoA) in the whole cells was photo-electrochemically oxidized and, as a result, the respiration of cells was inhibited. Inhibition of respiratory activity caused death of the cells. Lactobacillus acidophilus, Saccharomyces cerevisiae and Escherichia coli (103 cells/ml respectively) were completely sterilized when they were incubated with TiO2/Pt particles under metal halide lamp irradiation for 60-120 min.

本文言語English
ページ(範囲)211-214
ページ数4
ジャーナルFEMS Microbiology Letters
29
1-2
出版ステータスPublished - 1985
外部発表はい

ASJC Scopus subject areas

  • 微生物学
  • 医学(全般)
  • 分子生物学
  • 遺伝学

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