Photoinduced Electron Transport in DNA

Toward Electronic Devices Based on DNA Architecture
  • Hans-Achim Wagenknecht


This chapter briefly summarizes important and basic aspects related to electron transport processes in DNA over long distances. Despite this broad knowledge, DNA research is still far from a profound and clear understanding of the electronic properties and electronic interactions in DNA that are crucial for any nanobiotechnological application. In the past, DNA-mediated charge transport has been a subject of considerable interest with biological relevance in the formation and repair of lesions and damage in DNA. The most recent developments underscore the significance of DNA or DNA-like architectures for the development of electronic devices on the nanoscale. It is clear that there is a great potential for applications of DNA-mediated charge transport processes in new DNA assays and microarrays for biotechnology, as well as DNA-inspired devices for nanotechnology.

Key Words

Charge transfer chromophore DNA DNA damage electron transfer fluorescence hopping nucleotide radical superexchange 


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Copyright information

© Humana Press Inc., Totowa, NJ 2008

Authors and Affiliations

  • Hans-Achim Wagenknecht
    • 1
  1. 1.Institute of Organic ChemistryUniversity of RegensburgRegensburgGermany

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