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A Thin-Film Glucose Biosensor Based on Hexamethyldisiloxane Plasma-Polymerized Film: Influence of Its Film Thickness on the Platinum Electrode

Yoshihiro KASE, Hitoshi MUGURUMA, Atsunori HIRATSUKA, Isao KARUBE

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Summary :

An amperometric thin-film glucose biosensor based on a plasma-polymerized film using hexamethyldisiloxane as the monomer is presented. The plasma-polymerized film, achieved in plasma in the vapor phase, offers a new alternative for use in the design of the electrode-enzyme interface of biosensors. The film shows promise of high sensor performance; namely, rapid sensor response, low noise, a wide dynamic range, reproducibility, and reduction in the effects of interfering materials such as ascorbic acid. In this study, we examined the usefulness of the hexamethyldisiloxane plasma-polymerized film and investigated how the thickness of the plasma-polymerized film on a platinum electrode affected sensor characteristics: the selectivity for hydrogen peroxide versus interfering agents, the sensor response due to enzymatic reaction, and oxygen depletion.

Publication
IEICE TRANSACTIONS on Electronics Vol.E87-C No.2 pp.142-147
Publication Date
2004/02/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Recent Progress of Organic Molecular Electronics)
Category
Nano-interface Controlled Electronic Devices

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