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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


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.
Moscow University Chemistry Bulletin.
2019, Vol. 60, No. 4, P. 248

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