Variable-Temperature Measurements of the Single-Molecule Conductance of Double-Stranded DNA

A sound result: Calculations have demonstrated a strong influence of acoustic modes on the conductance of double‐stranded DNA (transmission spectrum of a duplex in its ideal B‐DNA conformation is shown in red, that with deformations along DNA acoustic modes in green). The observed temperature indepe...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2006-08, Vol.45 (33), p.5499-5502
Main Authors: van Zalinge, Harm, Schiffrin, David J., Bates, Andrew D., Starikov, Evgeni B., Wenzel, Wolfgang, Nichols, Richard J.
Format: Article
Language:English
Subjects:
conducting materials
DNA
DNA - chemistry
Electric Conductivity
Electrochemistry
scanning probe microscopy
single-molecule studies
Temperature
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Summary:A sound result: Calculations have demonstrated a strong influence of acoustic modes on the conductance of double‐stranded DNA (transmission spectrum of a duplex in its ideal B‐DNA conformation is shown in red, that with deformations along DNA acoustic modes in green). The observed temperature independence of the conductivity at and above room temperature arises from a high overall population of such modes above the Debye temperature.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200601263