Published November 1, 2004
| Supplemental Material
Journal Article
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Electron Transfer Rates in DNA Films as a Function of Tether Length
Chicago
Abstract
A homologous series of DNA-modified electrodes has been investigated in which the molecular tether length varies. Using intercalated, covalently bound daunomycin as a redox probe, an exponential dependence of electron transfer rates on the number of intervening methylene groups in the σ-bonded tether is observed. In contrast, variation in DM position within DNA yields no detectable change in rate. These data confirm that overall electron transfer rates in DNA films are limited by the tether, not the DNA.
Additional Information
© 2004 American Chemical Society. Received August 23, 2004. Publication Date (Web): October 23, 2004. We are grateful to the NIH (GM61077) and the Camille and Henry Dreyfus Foundation.Attached Files
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Additional details
- Eprint ID
- 64332
- DOI
- 10.1021/ja044910i
- Resolver ID
- CaltechAUTHORS:20160209-120729202
- NIH
- GM61077
- Camille and Henry Dreyfus Foundation
- Created
-
2016-02-09Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field