Electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules

J. S. Hwang; K. J. Kong; D. Ahn; G. S. Lee; D. J. Ahn; S. W. Hwang

doi:10.1063/1.1498862

Electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules

J. S. Hwang, K. J. Kong, D. Ahn, G. S. Lee, D. J. Ahn, S. W. Hwang

School of Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

102 Scopus citations

Abstract

We report electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules. The DNA solution is dropped on two metal electrodes with the gap of 20 nm. The current-voltage characteristics measured between the electrodes exhibits clear staircases, which are reproducible over repeated measurements. The size of the observed staircases is consistent with the energy gap obtained from a tight binding calculation.

Original language	English
Pages (from-to)	1134-1136
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	6
DOIs	https://doi.org/10.1063/1.1498862
State	Published - 5 Aug 2002

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abstract = "We report electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules. The DNA solution is dropped on two metal electrodes with the gap of 20 nm. The current-voltage characteristics measured between the electrodes exhibits clear staircases, which are reproducible over repeated measurements. The size of the observed staircases is consistent with the energy gap obtained from a tight binding calculation.",

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AU - Ahn, D. J.

AU - Hwang, S. W.

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AB - We report electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules. The DNA solution is dropped on two metal electrodes with the gap of 20 nm. The current-voltage characteristics measured between the electrodes exhibits clear staircases, which are reproducible over repeated measurements. The size of the observed staircases is consistent with the energy gap obtained from a tight binding calculation.

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Electrical transport through 60 base pairs of poly(dG)-poly(dC) DNA molecules

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