Prevention of marine biofouling using a conductive paint electrode

Tadashi Matsunaga, Tsuruo Nakayama, Hitoshi Wake, Minako Takahashi, Mina Okochi, Noriyuki Nakamura

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Conductive paint electrode was used for marine biofouling on fishing nets by electrochemical disinfection. When a potential of 1.2 V vs. a saturated calomel electrode (SCE) was applied to the conductive paint electrode, Vibrio alginolyticus cells attached on the electrode were completely killed. By applying a negative potential, the attached cells were removed from the surface of the electrode. Changes in pH and chlorine concentration were not observed at potentials in the range -0.6 -1.2 V vs. SCE. In a field experiment, accumulation of the bacterial cells and formation of biofilms on the electrode were prevented by application of an alternating potential, and 94% of attachment of the biofouling organisms was inhibited electrically on yarn used for fishing net coated with conductive paint.

Original languageEnglish
Pages (from-to)374-378
Number of pages5
JournalBiotechnology and Bioengineering
Volume59
Issue number3
DOIs
Publication statusPublished - 1998 Aug 5
Externally publishedYes

Fingerprint

Biofouling
Paint
Electrodes
Vibrio alginolyticus
Disinfection
Chlorine
Biofilms
Yarn
Cells

Keywords

  • Alternating potential
  • Conductive paint electrode
  • Fishing net
  • Prevention of marine biofouling

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

Prevention of marine biofouling using a conductive paint electrode. / Matsunaga, Tadashi; Nakayama, Tsuruo; Wake, Hitoshi; Takahashi, Minako; Okochi, Mina; Nakamura, Noriyuki.

In: Biotechnology and Bioengineering, Vol. 59, No. 3, 05.08.1998, p. 374-378.

Research output: Contribution to journalArticle

Matsunaga, Tadashi ; Nakayama, Tsuruo ; Wake, Hitoshi ; Takahashi, Minako ; Okochi, Mina ; Nakamura, Noriyuki. / Prevention of marine biofouling using a conductive paint electrode. In: Biotechnology and Bioengineering. 1998 ; Vol. 59, No. 3. pp. 374-378.
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