대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제33권9호
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  • Pages.692-700
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  • 2011
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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전기장을 이용한 미생물 부착과 생물막 제어

Control of Bacterial Adhesion and Biofilm Using Electric Field

  • 심수진 (서울대학교 화학생물공학부) ;
  • 김춘수 (서울대학교 화학생물공학부) ;
  • 윤제용 (서울대학교 화학생물공학부)
  • Shim, Soo-Jin (School of Chemical and Biological Engineering, Seoul National University) ;
  • Kim, Choon-Soo (School of Chemical and Biological Engineering, Seoul National University) ;
  • Yoon, Je-Yong (School of Chemical and Biological Engineering, Seoul National University)
  • 투고 : 2011.09.02
  • 심사 : 2011.09.28
  • 발행 : 2011.09.30
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초록

전기장을 이용한 생물막 제어 기술은 기존의 소독제 및 항균제를 이용한 방법을 대체하기 위한 제어기술로써 연구되어 왔다. 본 기술은 화학적 소독제나 항균제를 사용하지 않고 전자전달을 토대로 생물막을 제어한다는 점에서 환경적으로 이로운 면이 있다. 현재까지 연구된 정기장을 이용한 생물막 제어방법은 기작에 따라 (1) 음전류에서의 정전기적 반발작용을 통한 미생물 부착 제어, (2) 양전류 상에서의 미생물 거동을 이용한 미생물 부착 제어, (3) 직접산화반응에 의한 미생물 불활성화, (4) 바이오일렉트릭 효과에 의한 생물막 불활성화 효과로 분류할 수 있다. 본 총설에서는 주요 선행연구를 통해 전기장을 이용한 생물막 제어 기술에 대하여 살펴보고, 적용사례들을 소개하고자 한다.

The use of electric field has been studied as an alternative for biofilm control dominated by disinfectants and antibiotics. This technology would be advantageous in the environmental respect that biofilm can be controlled based on electron transfer, not using chemical disinfectants and antibiotics. Control mechanisms which were reported by earlier studies are organized as; (1) bacterial adhesion control by electrostatic repulsion at a negative current, (2) bacterial adhesion control using bacterial motion and (3) bacterial inactivation by direct oxidation at a positive current, (4) bioelectric effect leading to biofilm inactivation. In this review article, we summarized the technologies for biofilm control using electric field and provided some application examples from previous studies.

키워드

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