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Issue 13, 2003
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Electrontransfer through DNA and metal-containing DNA

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DNA is currently explored as a new material for functional, molecular nano-architectures. In this respect, one major question is to transform DNA into a conducting material which has the potential for self-assembly into electronically active networks. The article covers recent insight into how DNA transports positive (holes) and negative (excess electrons) charges. It was found that holes move through DNA over significant distances using a G- and to a lesser extent also A-based hopping mechanism. EPR studies and recent investigations with model systems show that excess electrons can also hop through the duplex. The second part of the article describes how DNA is currently modified, particularly coated with metals, in order to increase the conductivity.

Graphical abstract: Electrontransfer through DNA and metal-containing DNA

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Publication details

The article was received on 04 Apr 2003 and first published on 11 Jun 2003

Article type: Perspective
DOI: 10.1039/B303754A
Org. Biomol. Chem., 2003,1, 2221-2228

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    Electrontransfer through DNA and metal-containing DNA

    T. Carell, C. Behrens and J. Gierlich, Org. Biomol. Chem., 2003, 1, 2221
    DOI: 10.1039/B303754A

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