Microelectrochemical enzyme transistors

Bartlett, P. N. and Astier, Y. (2000) Microelectrochemical enzyme transistors. Chemical Communications, (2), 105-112. (doi:10.1039/a902905b).


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Conducting polymers, such as poly(aniline) or poly(3-methylthiophene), change their conductivity by many orders of magnitude upon oxidation or reduction. This modulation of the conductivity of the polymer by redox reactions can be utilised to fabricate microelectrochemical transistors-electrochemical devices that behave in many ways as analogues of solid state junction field effect transistors. When combined with suitable redox enzymes these devices can be developed as miniature biosensors which offer a number of interesting advantages, particularly for use with small sample volumes or at low analyte concentrations.

Item Type: Article
Related URLs:
Keywords: direct electrochemical communication, molecule-based transistors, glucose-oxidase, conducting polymers, chemical derivatization, horseradish-peroxidase, electron-transfer, aqueous-solution, films, biosensors
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 18973
Date Deposited: 20 Dec 2005
Last Modified: 06 Aug 2015 02:18
URI: http://eprints.soton.ac.uk/id/eprint/18973

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