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I. S. Vasil’eva, M. E. Khlupova, G. P. Shumakovich, E. A. Zaitseva, O. V. Morozova, A. I. Yaropolov
Biocatalytic synthesis of conducting poly(3,4-ethylenedioxythiophene)
using natural template DNA
Abstract
The enzymatic
oxidative polymerization of 3,4-ethylenedioxythiophene on the matrix of DNA
biopolymer was carried out. A high redox-potential laccase from fungus Trametes
hirsuta was used as a biocatalyst for the polymerization of the monomer.
Atmospheric oxygen served as an oxidant. Phosphate groups of DNA biopolymer
served as dopant of the main chain of poly (3,4-ethylenedioxythiophene)
(PEDOT). The physicochemical properties of the obtained complex and its
morphology were studied. The conductivity of the PEDOT/DNA was ~0,15 mS/ m.
Synthesized conducting biocompatible interpolymer complex PEDOT/DNA can be
potentially used for various biomedical purposes.
Key words: enzymatic synthesis, fungal
laccase, conducting polymers, 3,4-ethylendioxytiophene, DNA, matrix
polymerization.
Copyright (C) Chemistry Dept., Moscow State University, 2002
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