Laccase를 이용한 Triclosan의 처리
Oxidative Transformation of Triclosan by Laccase
1
조회
0
다운로드
1
인용
0
참고문헌
초록
Abstract
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 50oC. 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.
참고문헌 (20)
- "Purification and Characterization of Polyphenol Oxidase from Trametes sp", 87(2), pp.137~143 (1999)
- "Natural Mediators in the oxidation of Polycyclic Aromatic Hydrocarbons by Laccase Mediator Systems", 66(2), pp.524~528 (2000)
- "Oxidative transformation of phenols in aqueous mixtures", 37, pp.3205~3215 (2003)
- "Triclosan a commonly used bactericide found in human milk and in the aquatic environment in Sweden", 46, pp.1485~1489 (2002)
- "Environmental fate of Triclosan in the River Aire Basin", 37, pp.3145~3154 (2003)
- "Pharmaceuticals and personal care products (PPCPs)in surface and treated waters of Louisiana", 311, pp.1 135~3 149 (2003)
- "Environmental concentrations of boron NTA and Triclosan simulated with GREAT-ER in the river Itter", 54(8), pp.1145~1154 (2004)
- "Effects of triclosan on the early life stages and reproduction of medaka Oryzias latipes and induction of hepatic vitellogenin", 67(2), pp.167~179 (2004)
- "Adaptive resistance to biocides in Salmonella enterica and Escherichia coli O157 and cross-resistance to antimicrobial agents", 42, pp.73~78 (2004)
- "Developmental evaluation of a potential non-steroidal estrogen", 50, pp.153~156 (2000)
- "Evidence of 2 8-dibenzodichloro-p-dioxin as a photodegradation product of triclosan in water and wastewater samples", 524, pp.1 241~2 247 (2004)
- "Radical cations as reference chromogens in kinetic studies of one-electron transfer reactions pulse radiolysis of 2", 2-azi(bis-), pp.3 805~812 (1982)
- "Reaction Conditions for Laccase Catalyzed Degradation of Bisphenol A", 30(2), pp.79~83 (2004)
- "Inactivation of Coprinus cinereus peroxidase by 4-chloroaniline during turnover comparison with horseradish peroxidase and bovine lactoperoxidase", 123, pp.197~217 (1999)
- "and expression of two laccase genes from the white rot basidiomycete Trametes villosa", 62, pp.834~841 (1996)
- "Impact of Dissolved Wastewater constituents on Laccase-Catalyzed Treatment of Bisphenol A", 30(2), pp.161~166 (2004)
- "Structure-activity relationship on fungal laccase from Rigidoporus lignosus", pp.155~162 (2002)
- "Interactions of heavy metals with white-rot fungi", 32(1), pp.78~91 (2002)
- "An acid-stable laccase from Sclerotium rolfsii with potential for wool dye decolourization", 33, pp.766~774 (2003)
- "Novel enzymatic oxidation of Mn2+ to Mn3+ catalyzed by a fungal laccase", 451, pp.186~190