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Complexity of excited-state dynamics in DNA (Reply)

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  • Carlos E. Crespo-Hernández

    (The Ohio State University)

  • Boiko Cohen

    (The Ohio State University)

  • Bern Kohler

    (The Ohio State University)

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.

Suggested Citation

  • Carlos E. Crespo-Hernández & Boiko Cohen & Bern Kohler, 2006. "Complexity of excited-state dynamics in DNA (Reply)," Nature, Nature, vol. 441(7094), pages 8-8, June.
    • Handle: RePEc:nat:nature:v:441:y:2006:i:7094:d:10.1038_nature04904
    DOI: 10.1038/nature04904
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