✦ LIBER ✦

Prevention of marine biofouling using a conductive paint electrode

✍ Scribed by Tadashi Matsunaga; Tsuruo Nakayama; Hitoshi Wake; Minako Takahashi; Mina Okochi; Noriyuki Nakamura

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 201 KB
Volume: 59
Category: Article
ISSN: 0006-3592
DOI: 10.1002/(sici)1097-0290(19980805)59:3<374::aid-bit14>3.0.co;2-e

No coin nor oath required. For personal study only.

✦ Synopsis

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.

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