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전체보기 농림성과 식품성과 인터뷰
김상화 (S. W. Kim) 저자 이메일 보기
서울대학교 수의과대학
조회 284  인쇄하기 주소복사 트위터 공유 페이스북 공유 
Bactericidal efficacy of non-thermal plasma activation against Aeromonas hydrophila and immunological responses of koi (Cyprinus carpio haematopterus)
열기 Authors and Affiliations


In the aquaculture industry, an efficient and safe water purification system is important to prevent mass mortality by virulent pathogens. As extensive use of traditional methods (e.g.: povidone-iodine, ozone, ultraviolet irradiation, formalin, and chlorine dioxide) have adverse effects on cultured fish, an appropriate and alternative water purification method is vital for the sustainability of the industry. Non-thermal plasma technology has been successfully used for various biomedical purposes (e.g: food sterilization, medical device disinfection, wound healing, cancer therapy, etc.) and has great potential to be used as a sterilizing system. However, few studies have been conducted on its usefulness in the aquaculture industry. In this study, we investigated the bactericidal efficacy of plasma-activated water induced by non-thermal plasma and its histopathological as well as immunological adverse effects on koi. A highly virulent Aeromonas hydrophila SNU HS7, which caused massive mortality of koi, was used for this study. Non-thermal plasma was applied for 10 min to the fish tanks with 1.2 × 109 CFU/mL SNU HS7 using PLMB-20 system to confirm the sterilization efficacy and to observe the survival and immunological reaction of koi for 14 days. As a result, gross pathological, histopathological, and immunological investigations did not reveal any significant adverse effects in fish as compared to the control groups. To the best of our knowledge, this is the first study showing that non-thermal plasma can be used for sterilization of rearing water without giving significant physiological damage to the fish, even under the assumption of extreme situations. As plasma can effectively sterilize not only bacteria but also other unknown pathogens, the results of this study are showing a promising future in purifying water in aquaculture practice.

- 형식: Research article
- 게재일: 2022년 02월 (BRIC 등록일 2022-05-11)
- 연구진: 국내(교신)+국외 연구진 태극기
- 분야: Veterinary_Science, Environmental_Biology, Medicine
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※ 농수식품은 향후 서비스 종료 예정으로, 2022년 7월 1일 이후에는 업데이트 되지 않습니다. 더 나은 서비스를 제공하기 위하여 다양한 시도 중이니 많은 관심 부탁드립니다.
ORCID ORCID 0000-0001-7205-7741
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