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Enzymatic synthesis of electroconductive biocomposites based on DNA and optically active polyaniline
Authors:Yu S Zeifman  I O Maiboroda  Yu V Grishchenko  O V Morozova  I S Vasil’eva  G P Shumakovich  A I Yaropolov
Institution:1. National Research Centre Kurchatov Institute, Moscow, 123182, Russia
2. Bach Institute of Biochemistry, Russian Academy of Sciences, Moscow, 119071, Russia
Abstract:Electroconductive interpolymer polyaniline complexes are synthesized on the DNA matrix, using the method of oxidative polymerization of aniline with two different biocatalyzers: horseradish root peroxidase and micropiroxidase-11 biomimetic. The spectral characteristics and morphology of the acquired biocomposites have been studied. The stereospecificity of the acquired samples of interpolymer complexes is shown, depending on the biocatalyzers used. The results acquired indicate the important role of a biocatalyzer in the formation of the twist direction of an electroconductive polymer spiral on the DNA matrix; i.e., the optical activity of the polymer samples acquired is apparently associated with the biocatalyzer properties.
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