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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 3
BKCSDE 31(3)
March 20, 2010

Title	Immobilization of Lipase on Single Walled Carbon Nanotubes in Ionic Liquid
Author	Han Ki Lee, Jae Kwan Lee, Mahn Joo Kim*, Cheol Jin Lee
Keywords	Lipase, Single walled carbon nanotube, Immobilization, Ionic liquid, Biocatalysis
Abstract	A lipase from Pseudomonas cepacia was immobilized onto single walled carbon nanotubes (SWNT_s) in two different ways in each of two solvent systems (buffer and ionic liquid). The most efficient immobilization was achieved in ionic liquid (1-butyl-3-methylimidazolium tetrafluoroborate, BMIM-BF₄). In this procedure, carbon nanotubes were first functionalized noncovalently with 1-pyrenebutyric acid N-hydroxysuccinimide ester and then subject to the coupling reaction with the lipase in ionic liquid. The resulting immobilized enzyme displayed the highest activity in the transesterification of 1-phenylethyl alcohol in the presence of vinyl acetate in toluene.
Page	650 - 652
Full Text	PDF

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