期刊
CATALYSIS COMMUNICATIONS
卷 26, 期 -, 页码 58-62出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.04.024
关键词
Spore laccase; Bacillus amyloliquefaciens; Synthetic dye; Decolorization; Immobilization
资金
- National Natural Science Foundation of China [30170775, 30671702]
- Science and Technology Program of the Education Department of Heilongjiang Province [12513039]
- Fundamental Research Funds for the Central Universities [DL10BA09]
Spore laccase from Bacillus amyloliquefaciens was evaluated for its dye decolorization capacity. More than 65% of the tested dyes were decolorized by the spore laccase in the presence of acetosyringone after 6 h. The spore laccase was entrapped in calcium alginate beads, and it could decolorize 99% of indigo carmine after fifteen cycles of repeated use. About 90% of simulated dye effluent was decolorized by the immobilized enzyme at pH 9.0 with 0.5 mM of acetosyringone as mediator. The results indicate a potential application of this immobilized spore laccase in treatment of textile dye effluents. (C) 2012 Elsevier B.V. All rights reserved.
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