Micellar laccase-catalyzed synthesis of electroconductive polyaniline |
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Authors: | A V Streltsov G P Shumakovich O V Morozova M A Gorbacheva A I Yaropolov |
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Institution: | (1) Bach Institute of Biochemistry, Russian Academy of Sciences, Moscow, 119071, Russia |
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Abstract: | A method of enzymatic synthesis of electroconductive polyaniline on the micelles of dodecylbenzenesulfonic acid sodium salt (DBSNa) is proposed. The high potential laccase from the basidiomycete Trametes hirsuta was used as a biocatalyst. The conditions for polyaniline synthesis were optimized (pH 4.0; reagent concentrations, 10–20 mM; and aniline/DBSNa ratio, 2 : 1). The resulting product was electrochemically active in the range of potentials from ?200 to 600 mV, electroconductive, and capable of reversible dedoping with a change in pH of solution. |
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