Electronic rectification in protein devices

We show that the electron-transfer protein azurin can be used to fabricate biomolecular rectifiers exploiting its native redox properties, chemisorption capability and electrostatic features. The devices consist of a protein layer interconnecting nanoscale electrodes fabricated by electron beam lith...

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Bibliographic Details
Published in:Applied physics letters 2003-01, Vol.82 (3), p.472-474
Main Authors: Rinaldi, R., Biasco, A., Maruccio, G., Arima, V., Visconti, P., Cingolani, R., Facci, P., De Rienzo, F., Di Felice, R., Molinari, E., Ph. Verbeet, M., Canters, G. W.
Format: Article
Language:English
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Summary:We show that the electron-transfer protein azurin can be used to fabricate biomolecular rectifiers exploiting its native redox properties, chemisorption capability and electrostatic features. The devices consist of a protein layer interconnecting nanoscale electrodes fabricated by electron beam lithography. They exhibit a rectification ratio as large as 500 at 10 V, and operate at room temperature and in air.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1530748