Complexity of excited-state dynamics in DNA (Reply)

Carlos E. Crespo-Hernández, Boiko Cohen and Bern Kohler ()
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Carlos E. Crespo-Hernández: The Ohio State University
Boiko Cohen: The Ohio State University
Bern Kohler: The Ohio State University

Nature, 2006, vol. 441, issue 7094, E8-E8

Abstract: Abstract We have shown1 that long-lived excited electronic states known as excimers2, which arise from base stacking3, are formed in high yields in a variety of synthetic DNA oligonucleotides. Markovitsi et al. 4 question our interpretation, and claim that these states can be accounted for by their exciton theory. However, neither this nor their emission data contradict our finding that in single- and double-stranded A·T (adenine–thymine-paired) DNA, excited states decay through long-lived intermediate states in which excitation is shared by stacked bases.

Date: 2006
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DOI: 10.1038/nature04904

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