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Anthraquinone dye assisted the decolorization of azo dyes by a novel Trametes trogii laccase

Paper ID Volume ID Publish Year Pages File Format Full-Text
34693 45039 2012 4 PDF Available
Title
Anthraquinone dye assisted the decolorization of azo dyes by a novel Trametes trogii laccase
Abstract

A new Trametes trogii laccase was purified and its biochemical properties were subsequently characterized. After a survey of other T. trogii laccases, this laccase showed a lower isoelectric point, different N-terminal sequence and kinetic parameters. Recently most laccase-catalyzed decolorizations of synthetic dyes are single-solute studies with commercially available dyes as model pollutants and need the employment of redox mediators. In this study, to simulate the real industry wastewaters, experiments of laccase-catalyzed decolorization of mixed dyes constituted by azo and anthraquinone dyes were carried out. The results showed that anthraquinone dyes, playing the role of mediators, dramatically promoted the degradation of azo dyes when there was no exogenous mediator in the reaction mixture. This study represents the first attempt to decolorize the mixtures of azo and anthraquinone dyes by purified T. trogii laccase, suggesting great potential for laccase to decolorize textile industry wastewaters.

Keywords
Laccase; Purification; Decolorization; Mixed dyes; Trametes trogii
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Anthraquinone dye assisted the decolorization of azo dyes by a novel Trametes trogii laccase
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 47, Issue 1, January 2012, Pages 160–163
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us