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Pilles, Bert M.; Bucher, Dominik B.; Liu, Lizhe; Gilch, Peter; Zinth, Wolfgang; Schreier, Wolfgang J. (24. Oktober 2014): Identification of charge separated states in thymine single strands. In: Chemical communications, Vol. 50, Nr. 98: S. 15623-15626
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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 similar to 100 ps and identified it as a charge separated excited state between two thymine bases.