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Recent advances in nanotechnology have allowed significant progress in utilising cutting-edge techniques associated with nanomaterials and nano-fabrication to expand the scope and capability of biosensors to a new level of novelty and functionality.The aim of this work was the development and characterisation of conductive polyaniline (PANI) nanostructures for applications in electrochemical biosensing. We explore a simple, inexpensive and fast route to grow PANI nanotubes, arranged in an ordered structure directly on an electrode surface, by electrochemical polymerisation using alumina nanoporous membranes as a ‘nano-mould’. The deposited nanostructures have been characterised electrochemically and morphologically prior to grafting with a molecularly imprinted polymer (MIP) receptor in order to create a model sensor for catechol detection. In this way, PANI nanostructures resulted in a conductive …
Publication date: 
15 Oct 2010

Francesca Berti, Silvia Todros, Dhana Lakshmi, Michael J Whitcombe, Iva Chianella, Matteo Ferroni, Sergey A Piletsky, Anthony PF Turner, Giovanna Marrazza

Biblio References: 
Volume: 26 Issue: 2 Pages: 497-503
Biosensors and Bioelectronics