Journal
CHINESE CHEMICAL LETTERS
Volume 23, Issue 2, Pages 197-200Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2011.10.011
Keywords
Magnetic silica; Immobilization; Laccase; Pentachlorophenol
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Funding
- National Natural Science Foundation of China [21177013, 50708007]
- National Basic Research Program of China (973 Project) [2010CB429003]
- Fundamental Research Funds for the Central Universities
- State Key Laboratory of Water Environment Simulation [11K04ESPCN]
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Magnetic Cu2+-chelated silica particles using polyacrylamide as a metal-chelating ligand was developed and used for the immobilization of laccase by coordination. The effect of pH and temperature on the enzymatic property of immobilized laccase and its catalytic capacity for pentachlorophenol (PCP) degradation were evaluated systemically. Compared with free laccase, the immobilized laccase showed improved acid adaptability and thermal stability. The immobilized laccase prepared in this work exhibited a good catalytic capacity for PCP removal from aqueous solutions. (C) 2011 Ying Wang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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