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Proceedings Paper

Fabrication and characterization of carbon nanotube field-effect transistor biosensors
Author(s): Matthew R. Leyden; Canan Schuman; Tal Sharf; Josh Kevek; Vincent T. Remcho; Ethan D. Minot
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Paper Abstract

We report the fabrication of carbon nanotube field-effect transistors for biosensing applications and the development of protocols for reliable protein and DNA sensing. The sensing method we employ is 'label free', relying only on the intrinsic charge of the biological molecule of interest. We discuss fabrication issues that we have solved, for example the preparation of clean surfaces, and the sensing protocol issues that we have encountered. Polylysine and ss-dna, highly charged biological molecules, are used as model systems to illustrate the performance of our biosensors.

Paper Details

Date Published: 17 August 2010
PDF: 11 pages
Proc. SPIE 7779, Organic Semiconductors in Sensors and Bioelectronics III, 77790H (17 August 2010); doi: 10.1117/12.861329
Show Author Affiliations
Matthew R. Leyden, Oregon State Univ. (United States)
Canan Schuman, Oregon State Univ. (United States)
Tal Sharf, Oregon State Univ. (United States)
Josh Kevek, Oregon State Univ. (United States)
Vincent T. Remcho, Oregon State Univ. (United States)
Ethan D. Minot, Oregon State Univ. (United States)

Published in SPIE Proceedings Vol. 7779:
Organic Semiconductors in Sensors and Bioelectronics III
Ruth Shinar; Ioannis Kymissis, Editor(s)

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