한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제31권1호
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  • Pages.61-65
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  • 2005
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
권호 표지

Laccase를 이용한 Triclosan의 처리

Oxidative Transformation of Triclosan by Laccase

  • 김영진 (맥길대학교 토목공학과)
  • Kim, Young-Jin (Department of Civil Engineering and Applied Mechanics, McGill University)
  • 발행 : 2005.03.01
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초록

The oxidative transformation of triclosan with laccase from Trametes versicolor was conducted in a closed, temperature controlled system containing phosphate buffer for pH control. The optimum pH for triclosan transformation showed about 5. Despite the observation that elevated temperatures tended to inactivate the enzyme, increased transformation of triclosan was observed up to $50^{\circ}C$. Of the mediators studied, ABTS was most successful at enhancing triclosan transformation. About 80% of the toxicity of the initial mixture was reduced after the enzymatic treatment. In the presence of 1.0 mM of anions such as sulfite, sulfide, and cyanide, triclosan transformation was greatly inhibited. Chloride and fluoride ions exhibited inhibition of triclosan transformation at 25 mM. Ferric ion substantially inhibited triclosan transformation at 1.0 mM.

키워드

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