Premium
Excited‐State Dynamics of Isolated DNA Bases: A Case Study of Adenine
Author(s) -
Bisgaard Christer Z.,
Satzger Helmut,
Ullrich Susanne,
Stolow Albert
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200800516
Subject(s) - ultrashort pulse , femtosecond , relaxation (psychology) , excited state , excitation , dna , spectroscopy , chemistry , femtochemistry , chemical physics , computational chemistry , biophysics , atomic physics , physics , biology , laser , quantum mechanics , biochemistry , neuroscience
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 π π * 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.