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Proceedings Paper

High-sensitive label-free biosensors based on single-walled carbon nanotubes
Author(s): Kenzo Maehashi; Kazuhiko Matsumoto
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Paper Abstract

DNA hybridization has sensitively been detected using carbon nanotube field-effect transistors (CNTFETs) in real time. After full-complementary DNA introduction, the source-drain current gradually increased while monitoring in real time. Full-complementary DNA with concentration as low as 1 fmol/L solution could be effectively detected. Our CNTFET-based biochip is a promising candidate for the development of an integrated, high-throughput, multiplexed DNA biosensor for medical, forensic and environmental diagnostics.

Paper Details

Date Published: 28 February 2006
PDF: 4 pages
Proc. SPIE 6127, Quantum Sensing and Nanophotonic Devices III, 612715 (28 February 2006); doi: 10.1117/12.663342
Show Author Affiliations
Kenzo Maehashi, Osaka Univ. (Japan)
Kazuhiko Matsumoto, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 6127:
Quantum Sensing and Nanophotonic Devices III
Manijeh Razeghi; Gail J. Brown, Editor(s)

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