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Selective Protein Sensing Using a Carbon Nanotube Field-Effect Transistor

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Abstract:

The biosensing selectivity of a carbon nanotube field-effect transistor (NTFET) was examined using a mixture of pig serum albumin (PSA) and mouse immune globulin (MIgG). From analyses using the Langmuir equation, we confirmed that the PSA and MIgG sensors demonstrated good selectivity. It was observed that selective sensing using PSA and MIgG sensors is possible for PSA and MIgG concentrations of up to 500 and 5000 nM, respectively.

Keywords: BIOSENSOR; CARBON NANOTUBE; FIELD-EFFECT TRANSISTOR; PROTEIN SENSING; SELECTIVE SENSING

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2009.424

Publication date: 2009-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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