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Updated: Aug 22, 2026

Ultrasensitive Detection of Biomarkers by Using a Molecular Imprinting Based Capacitive Biosensor
Published on: February 16, 2018
The selectivity of electrosynthesised polymer membranes depends on the electrode dimensions: implications for
Colm P McMahon1, Sarah J Killoran, Sarah M Kirwan
1Chemistry Department, University College Dublin, Belfield, Dublin 4, Ireland.
Abstract:
A biosensor selectivity coefficient defined for poly(o-phenylenediamine) electrosynthesised onto Pt microdisks and cylinders was unexpectedly found to change as the scale of the electrodes decreased, mainly due to enhanced permeability of a ubiquitous interference species in biological systems, ascorbic acid.
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