Journal
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
Volume 81, Issue -, Pages 66-68Publisher
ELSEVIER
DOI: 10.1016/j.molcatb.2012.05.008
Keywords
Laccase-mediated polymerization; EDOT; Redox mediator; Potassium octocyanomolybdate(4+)
Funding
- Russian Fund for Fundamental Research [N 10-04-00916-a]
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The oxidative polymerization of 3,4-ethylenedioxythiophene (EDOT) has been carried out using laccase-mediator system. High redox potential laccase isolated from fungi Trametes hirsuta catalyzed the reaction of EDOT oxidation. In this reaction laccase used atmospheric oxygen as the terminal oxidant. Potassium octocyanomolybdate(4+) served as high potential redox mediator. The increase in the rate of EDOT oxidation occurs due to laccase catalysis of octocyanomolybdate(4+) ion to octocyanomolybdate(5+). A template method synthesis of EDOT oligomers with poly(2-acrylamido-2-methyl-1-propanesulfonic) acid (PAMPS) was used. The water dispersible oligoEDOT/PAMPS complex was characterized by UV-vis. Fourier transformed infrared spectra and transmission electron microscopy. Crown Copyright (c) 2012 Published by Elsevier B.V. All rights reserved.
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