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학술발표회초록보기

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  • 02월 19일 23시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제119회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Copper-Based Hybrid Systems for Disinfection of Planktonic and Biofilm Cells

등록일
2017년 1월 18일 13시 30분 09초
접수번호
2547
발표코드
ENVR-5 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 15시 : 20분
발표형식
심포지엄
발표분야
환경에너지 - Current Trends in Chemistry for Water Science and Technology
저자 및
공동저자
이창하
UNIST 도시환경공학부, Korea
The biocidal activity of Cu(II) is greatly enhanced by the addition of H2O2 or hydroxylamine (HA), which accelerates the production of cytotoxic Cu(I) and generates a reactive oxidant (cupryl ion, Cu(III)) capable of exerting oxidative cell damages. The bimetallic Fe-Cu nanoparticles also exhibit excellent biocidal activity in the similar biocidal mechanism. These copper-based hybrid disinfection systems were assessed for their potential to inactivate surrogate bacteria and viruses. In addition, combinations of Cu(II) with HA and H2O2 (i.e., Cu(II)/HA, Cu(II)/H2O2, and Cu(II)/HA/H2O2 systems) were tested for the control of bacterial biofilms on reverse osmosis (RO) membranes. The detailed mechanisms for the cell inactivation by different copper-based disinfection systems were discussed.

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