Electrochemical disinfection of fish pathogens in seawater without the production of a lethal concentration of chlorine using a flow reactor

Tsuyoshi Tanaka, Mari Shimoda, Nozomi Shionoiri, Masahito Hosokawa, Tomoyuki Taguchi, Hitoshi Wake, Tadashi Matsunaga

研究成果: Article査読

14 被引用数 (Scopus)

抄録

An electrochemical disinfection system employing a honeycombed platinum coated titanium electrode was developed for the disinfection of seawater. Cell suspensions (2l, 103cells/ml) of the fish pathogens, Vibrio alginolyticus, Edwardsiella tarda, Lactococcus garvieae and Vibrio anguillarum were circulated in a reactor equipped with 10 sets of these electrodes at a flow rate of 200ml/min with an applied potential of 1.0V vs. Ag/AgCl reference electrode. The circulated cells were completely disinfected after 3h of treatment, whereas free residual chlorine generated due to seawater electrolysis was below 0.1ppm. In addition, a diphenyl-1-pyrenylphosphine fluorescent assay revealed that lipid peroxidation in the cell membranes of disinfected bacteria was induced probably by reactive oxygen species generated during electrochemical treatment.

本文言語English
ページ(範囲)480-484
ページ数5
ジャーナルJournal of Bioscience and Bioengineering
116
4
DOI
出版ステータスPublished - 2013 10
外部発表はい

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Bioengineering

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