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Absence of dc-Conductivity inλ-DNA
Abstract
The electrical conductivity of biomaterials on a molecular scale is of fundamental interest in the life sciences. We perform first principles electronic structure calculations, which clearly indicate that lambda-DNA chains should present large resistance values. We also present two direct procedures to measure electrical currents through DNA molecules adsorbed on mica. The lower limit for the resistivity is 10(6) Omega . cm, in agreement with our calculations. We also show that low energy electron bombardment induces a rapid contamination and dramatically affects the measured conductivity, thus providing an explanation to recent reports of high DNA conductivity.
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Citations
Cited by
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Zhao, W.-W., Xu, J.-J., & Chen, H.-Y. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00228h · Cited by 912
Mechanisms for DNA Charge Transport
Genereux, J. C., & Barton, J. K. (2010) · Chemical Reviews · doi:10.1021/cr900228f · Cited by 787
\mathcal{O}(N) methods in electronic structure calculations
Bowler, D. R., & Miyazaki, T. (2012) · Reports on Progress in Physics · doi:10.1088/0034-4885/75/3/036503 · Cited by 521
Insulating behavior for DNA molecules between nanoelectrodes at the 100 nm length scale
Storm, A. J., van Noort, J., de Vries, S., & Dekker, C. (2001) · Applied Physics Letters · doi:10.1063/1.1421086 · Cited by 428
The role of aperiodic order in science and technology
Maciá, E. (2006) · Reports on Progress in Physics · doi:10.1088/0034-4885/69/2/r03 · Cited by 332
Metadata
- Authors
- de Pablo, P. J., Moreno-Herrero, F., Colchero, J., Gómez Herrero, J., Herrero, P., Baró, A. M., Ordejón, P., Soler, J. M., & Artacho, E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2000-12-04
- Volume
- 85
- Issue
- 23
- Pages
- 4992-4995
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W95301518
- Cited by
- 610
- References
- 0
- FWCI
- 29.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Absence of dc-Conductivity inλ-DNA. https://app.cochat.ai/papers/10.1103/physrevlett.85.4992
- The paper
- de Pablo, P. J., Moreno-Herrero, F., Colchero, J., Gómez Herrero, J., Herrero, P., Baró, A. M., Ordejón, P., Soler, J. M., & Artacho, E. (2000). Absence of dc-Conductivity inλ-DNA. Physical Review Letters. https://doi.org/10.1103/physrevlett.85.4992
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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