Abstract
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.
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This work was supported by the Russian Foundation for Basic Research, project no. 17-04-00378a.
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Translated by O. Zhukova
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Vasil’eva, I.S., Khlupova, M.E., Shumakovich, G.P. et al. Biocatalytic Synthesis of Conducting Poly(3,4-Ethylenedioxythiophene) Using a Natural DNA Template. Moscow Univ. Chem. Bull. 74, 186–190 (2019). https://doi.org/10.3103/S0027131419040096
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DOI: https://doi.org/10.3103/S0027131419040096