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Chemphyschem. 2009 Jan 12;10(1):101-10. doi: 10.1002/cphc.200800516.

Excited-state dynamics of isolated DNA bases: a case study of adenine.

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1
Steacie Institute for Molecular Sciences, Ottawa, ON, Canada.

Abstract

We present a summary of recent advances in the understanding of the UV photophysics of the isolated DNA base adenine, emphasizing a discussion of the mechanisms behind the ultrafast relaxation following excitation to the pipi* band. Drawing on our femtosecond time-resolved photoelectron spectroscopy experiments, we discuss differences in the ultrafast relaxation of adenine and 9-methyladenine and consider the relative merits of the various proposed mechanisms.

PMID:
19009581
DOI:
10.1002/cphc.200800516
[Indexed for MEDLINE]
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