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Identification of charge separated states in thymine single strands.

Authors
  • Pilles, Bert M
  • Bucher, Dominik B
  • Liu, Lizhe
  • Gilch, Peter
  • Zinth, Wolfgang
  • Schreier, Wolfgang J
Type
Published Article
Journal
Chemical Communications
Publisher
The Royal Society of Chemistry
Publication Date
Dec 21, 2014
Volume
50
Issue
98
Pages
15623–15626
Identifiers
DOI: 10.1039/c4cc07663j
PMID: 25360462
Source
Medline
License
Unknown

Abstract

UV excitation of the DNA single strand (dT)18 leads to electronically excited states that are potential gateways to DNA photolesions. Using time-resolved infrared spectroscopy we characterized a species with a lifetime of ∼100 ps and identified it as a charge separated excited state between two thymine bases.

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