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Applied and Environmental Microbiology, March 2004, p. 1833-1835, Vol. 70, No. 3
0099-2240/04/$08.00+0     DOI: 10.1128/AEM.70.3.1833-1835.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Inactivation of Vibrio parahaemolyticus in Effluent Seawater by Alternating-Current Treatment

Jong-Chul Park,1* Min Sub Lee,1 Dong-Wook Han,1 Dong Hee Lee,1 Bong Joo Park,1 In-Seop Lee,2 Masakazu Uzawa,3 Maki Aihara,4 and Kosuke Takatori4

Department of Medical Engineering, Yonsei University College of Medicine, Seodaemun-ku, Seoul 120-752,1 Atomic Scale Surface Science Research Center, Yonsei University, Seodaemun-ku, Seoul 120-749, Korea,2 Applied Science Co., Ltd., Ichikawa-si, Chiba 272-0822,3 Division of Microbiology, National Institute of Health Sciences, Setagaya, Tokyo 158-8501, Japan4

Received 14 August 2003/ Accepted 24 November 2003

Vibrio parahaemolyticus, the cause of gastroenteritis in humans, was inactivated by alternating low-amperage electricity. In this study, the application of alternating low-amperage electric treatment to effluent seawater was investigated for the large-scale disinfection of seawater. This method was able to overcome the problem of chlorine generation that results from treatment with continuous direct current. In conclusion, our results showed that alternating-current treatment inactivates V. parahaemolyticus in effluent seawater while minimizing the generation of chlorine and that this alternating-current treatment is therefore suitable for practical industrial applications.

* Corresponding author. Mailing address: Department of Medical Engineering, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-ku, Seoul 120-752, Korea. Phone: 82-2-361-5407. Fax: 82-2-363-9923. E-mail: parkjc{at}yumc.yonsei.ac.kr.

Applied and Environmental Microbiology, March 2004, p. 1833-1835, Vol. 70, No. 3
0099-2240/04/$08.00+0     DOI: 10.1128/AEM.70.3.1833-1835.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.





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