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Issue 37, 2012
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PEDOT:TOS with PEG: a biofunctional surface with improved electronic characteristics

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Abstract

Devices based on conducting polymers offer great promise for interfacing with cells. Here, we use vapour phase polymerisation to create a biofunctional composite material of the conducting polymer poly(3,4-ethylenedioxythiophene):tosylate (PEDOT:TOS) and the biologically relevant poly(ethylene glycol) (PEG). On the addition of PEG, electroactivity of the PEDOT is maintained, conductivity is increased, and its performance as the active material in a transistor is unaffected. Both direct and indirect biocompatibility tests prove that PEDOT:TOS and PEDOT:TOS:PEG are biocompatible and nontoxic to mammalian cells. A functionalised PEG (PEG(COOH)) was additionally introduced into PEDOT:TOS to showcase the potential of this material for use in applications requiring biofunctionalisation.

Graphical abstract: PEDOT:TOS with PEG: a biofunctional surface with improved electronic characteristics

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Supplementary files

Article information


Submitted
07 Apr 2012
Accepted
18 May 2012
First published
21 May 2012

J. Mater. Chem., 2012,22, 19498-19505
Article type
Paper

PEDOT:TOS with PEG: a biofunctional surface with improved electronic characteristics

L. H. Jimison, A. Hama, X. Strakosas, V. Armel, D. Khodagholy, E. Ismailova, G. G. Malliaras, B. Winther-Jensen and R. M. Owens, J. Mater. Chem., 2012, 22, 19498
DOI: 10.1039/C2JM32188B

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