Journal
JOURNAL OF NANOPARTICLE RESEARCH
Volume 9, Issue 6, Pages 1205-1210Publisher
SPRINGER
DOI: 10.1007/s11051-006-9200-8
Keywords
carbon nanotubes; covalent functionalization; lipase; self-catalysis; dispersion; MWNT
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Lipase from Candida rugosa was covalently anchored onto acid-treated multi-walled carbon nanotubes (MWNTs) through a self-catalytic mechanism. A variety of characterization techniques including FTIR, Raman spectroscopy, and XPS were employed to demonstrate the formation of the ester linkage between lipase and MWNTs. The MWNTs-lipase biocomposites showed significantly increased solubility in some common-used organic solvents, such as THF, DMF and chloroform. This study may offer a novel and facile route for covalent modification of carbon nanotubes, and expand the potential utilization of both lipases and MWNTs in the fields of biocatalyst and biosensor.
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