Characterization of thin poly(pyrrole-benzophenone) film morphologies electropolymerized on indium tin oxide coated optic fibers for electrochemical and optical biosensing

T. Konry, Y. Heyman, S. Cosnier, K. Gorgy, R. S. Marks

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We report that electropolymerization parameters (duration and voltage) modulate the properties and morphological structures of photoactive polymers which influence both the efficiency of bioreceptor attachment to the polymer surface, and the resulting biosensor assay performance. We have compared two biosensor technologies, optical and electrochemical, for the detection of anti-cholera toxin antibodies using our singular conductive optic fibers, albeit at this stage in separate experiments. Both biosensor systems were more sensitive than conventional detection and pave the way for the possibility to one day make simultaneous optical and electrochemical sensing using the same biosensor.

Original languageEnglish
Pages (from-to)5128-5135
Number of pages8
JournalElectrochimica Acta
Volume53
Issue number16
DOIs
StatePublished - 30 Jun 2008

Keywords

  • Cholera toxin subunit B
  • Immunosensor
  • Poly(pyrrole-benzophenone)
  • Scanning electron microscopy

ASJC Scopus subject areas

  • General Chemical Engineering
  • Electrochemistry

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