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The demonstration of an enhanced microelectrochemical transistor for measurements in neutral solution at low analyte concentration

Astier, Y. and Bartlett, P.N. (2004) The demonstration of an enhanced microelectrochemical transistor for measurements in neutral solution at low analyte concentration Bioelectrochemistry, 64, (1), pp. 15-22. (doi:10.1016/j.bioelechem.2003.12.008).

Record type: Article

Abstract

We report a new, sensitive detection method for the measurement of analytes based on the combination of conducting polymer technology and redox enzyme electrochemistry. This method provides a simple measurement method potentially enabling point of care testing on disposable electrodes in under 60 s. The measurement does not require a reference or counter electrode and the analytical signal is recorded by an ammeter measuring milliampere currents through a polymer transistor. Even at very low analyte concentration, the signal is not subject to significant noise.

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Published date: 1 August 2004
Keywords: microelectrochemical transistor, neutral solution, analyte alkaline-phosphatase, enzyme switch, chemical derivatization, aminophenyl phosphate, electronic devices, composite films, conductivity, fabrication, polyaniline, poly(3-methylthiophene

Identifiers

Local EPrints ID: 20121
URI: http://eprints.soton.ac.uk/id/eprint/20121
PURE UUID: b0708ac1-a213-43cc-8076-3a35c6eb68f0
ORCID for P.N. Bartlett: ORCID iD orcid.org/0000-0002-7300-6900

Catalogue record

Date deposited: 23 Feb 2006
Last modified: 17 Jul 2017 16:29

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Contributors

Author: Y. Astier
Author: P.N. Bartlett ORCID iD

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