Self-assembled nanotube field-effect transistors for label-free protein biosensors

P Hu; A Fasoli; J Park; Y Choi; Pedro Estrela; S L Maeng; W I Milne; A C Ferrari

doi:10.1063/1.2988274

Self-assembled nanotube field-effect transistors for label-free protein biosensors

P Hu, A Fasoli, J Park, Y Choi, Pedro Estrela, S L Maeng, W I Milne, A C Ferrari

Department of Electronic & Electrical Engineering

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3 Citations (SciVal)

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Abstract

A self-assembly method is developed to fabricate single-wall carbon nanotube field-effect transistors (SWNT-FETs). The electrode surface and the area between electrodes are modified with nonpolar groups (-CH3) and polar groups (-NH3+). SWNTs are selectively placed in the area between the electrodes. We achieve stability and specificity in label-free protein detection using the biotin-streptavidin pair as research model. Our process holds promise for high integration of SWNT-FET biosensors, with no need for high-temperature processing. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2988274]

Original language	English
Article number	074310
Journal	Journal of Applied Physics
Volume	104
Issue number	7
DOIs	https://doi.org/10.1063/1.2988274
Publication status	Published - 2008

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10.1063/1.2988274

Estrela_JAP_2008_104_074310.pdf
Copyright (2008) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Hu, P., Fasoli, A., Park, J., Choi, Y., Estrela, P., Maeng, S. L., Milne, W. I. and Ferrari, A. C., 2008. Self-assembled nanotube field-effect transistors for label-free protein biosensors. Journal of Applied Physics, 104 (7), 074310 and may be found at http://link.aip.org/link/?JAPIAU/104/074310/1

Cite this

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AU - Hu, P

AU - Fasoli, A

AU - Park, J

AU - Choi, Y

AU - Estrela, Pedro

AU - Maeng, S L

AU - Milne, W I

AU - Ferrari, A C

PY - 2008

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AB - A self-assembly method is developed to fabricate single-wall carbon nanotube field-effect transistors (SWNT-FETs). The electrode surface and the area between electrodes are modified with nonpolar groups (-CH3) and polar groups (-NH3+). SWNTs are selectively placed in the area between the electrodes. We achieve stability and specificity in label-free protein detection using the biotin-streptavidin pair as research model. Our process holds promise for high integration of SWNT-FET biosensors, with no need for high-temperature processing. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2988274]

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Self-assembled nanotube field-effect transistors for label-free protein biosensors

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