Charge transport in l-DNA probed by conducting-AFM, and relationship with its structure
| dc.creator | Heim, Thomas | |
| dc.creator | Deresemes, Dominique | |
| dc.creator | Vuillaume, Dominique | |
| dc.date | 2003-10-10 | |
| dc.date.accessioned | 2026-07-07T02:54:08Z | |
| dc.date.available | 2026-07-07T02:54:08Z | |
| dc.description | We studied the electrical conductivity of DNA samples as function of the number of DNA molecules. We showed that the insulating gap (no current at low voltage) increases from ~1-2 V for bundles and large ropes to ~4-7 V for few DNA molecules. From the distance dependent variation of the current, a unique hopping distance of ~3 nm is calculated (polaron-hopping model) independently of the number of DNA in the sample. The highly resistive behavior of the single DNA is correlated with its flattened conformation on the surface (reduced thickness, ~0.5-1.5 nm, compared to its nominal value, ~2 nm). | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0310242 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0310242 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/22420 | |
| dc.subject | Soft Condensed Matter | |
| dc.subject | Materials Science | |
| dc.subject | Biomolecules | |
| dc.title | Charge transport in l-DNA probed by conducting-AFM, and relationship with its structure | |
| dc.type | text |