Bisgaard Christer Z, Satzger Helmut, Ullrich Susanne, Stolow Albert
Steacie Institute for Molecular Sciences, Ottawa, ON, Canada.
Chemphyschem. 2009 Jan 12;10(1):101-10. doi: 10.1002/cphc.200800516.
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.
我们总结了对孤立的DNA碱基腺嘌呤的紫外光物理理解的最新进展，重点讨论了激发到ππ*带后超快弛豫背后的机制。基于我们的飞秒时间分辨光电子能谱实验，我们讨论了腺嘌呤和9-甲基腺嘌呤超快弛豫的差异，并考虑了各种提出的机制的相对优点。
