Biocatalytic Synthesis of Conducting Poly(3,4-Ethylenedioxythiophene) Using a Natural DNA Template


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The oxidative enzymatic polymerization of 3,4-ethylenedioxythiophene on a biopolymer DNA template is carried out. Laccase from fungus Trametes hirsuta with a high redox potential serves as a catalyst for the monomer polymerization; atmospheric oxygen is used as the oxidizing agent. Phosphate groups of DNA biopolymer, being dopants of the main chain of synthesized poly(3,4-ethylenedioxythiophene) (PEDOT), ensure its electrical conductivity. The physicochemical properties of the obtained complex and its morphology are studied. The conductivity of the PEDOT/DNA is ~0.15 mS/cm. The synthesized electrically conducting biocompatible PEDOT/DNA interpolymer complex can potentially be used for various biomedical purposes.

作者简介

I. Vasil’eva

Bach Institute of Biochemistry, Research Centre of Biotechnology, Russian Academy of Sciences

Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119071

M. Khlupova

Bach Institute of Biochemistry, Research Centre of Biotechnology, Russian Academy of Sciences

Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119071

G. Shumakovich

Bach Institute of Biochemistry, Research Centre of Biotechnology, Russian Academy of Sciences

Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119071

E. Zaitseva

Department of Chemistry, Moscow State University

Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119991

O. Morozova

Bach Institute of Biochemistry, Research Centre of Biotechnology, Russian Academy of Sciences

Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119071

A. Yaropolov

Bach Institute of Biochemistry, Research Centre of Biotechnology, Russian Academy of Sciences

编辑信件的主要联系方式.
Email: yaropolov@inbi.ras.ru
俄罗斯联邦, Moscow, 119071

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