Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 37, Pages 19498-19505Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm32188b
Keywords
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Funding
- European Research Council (ERC grant) [258966]
- MASK
- Marie Curie International Research Staff Exchange Scheme
- European Research Council (ERC) [258966] Funding Source: European Research Council (ERC)
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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.
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