DEVELOPMENT OF A NEW ETHANOL BIOSENSOR WITH ELECTROPOLYMERISED MELDOLA BLUE AS MEDIATOR
Journal Title: Analele Universitatii din Bucuresti. Chimie - Year 2004, Vol 13, Issue 1
Abstract
An amperometric biosensor for ethanol was developed based on immobilization of alcohol dehydrogenase on screen-printed electrodes modified with electropolymerised Meldola Blue carried out by cyclic voltammetry in the range from –0.6 to +1.4 V vs. Ag/AgCl. The calibration plots for ethanol in 0.1 mol.L-1 phosphate buffer pH 8.5 containing 0.1 M KCl shows linearity in the range from 0.1x10-3 to 25x10-3 mol.L-1 ethanol The biosensor showed no decrease in sensitivity after 5 hours of continuous use
Authors and Affiliations
Camelia Bala, L. Rotariu, Alina Vasilescu, V. Magearu
Keywords
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