Long-lived excited states in i-motif DNA studied by picosecond time-resolved IR spectroscopy

被引：27
|
作者：
Keane, Paraic M. [1 ]
Wojdyla, Michal [2 ]
Doorley, Gerard W. [2 ]
Kelly, John M. [2 ]
Parker, Anthony W. [3 ]
Clark, Ian P. [3 ]
Greetham, Gregory M. [3 ]
Towrie, Michael [3 ]
Magno, Luis M. [1 ]
Quinn, Susan J. [1 ]
机构：
[1] Univ Coll Dublin, Sch Chem & Chem Biol, Dublin 4, Ireland
[2] Trinity Coll Dublin, Sch Chem, Dublin 2, Ireland
[3] Rutherford Appleton Lab, Cent Laser Facil, Res Complex Harwell, Sci & Technol Facil Council, Didcot OX11 0QX, Oxon, England
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 23期
基金：
爱尔兰科学基金会;
关键词：
INTERNAL-CONVERSION; UV EXCITATION; G-QUADRUPLEX; CYTOSINE; DYNAMICS; STRAND; BASES; RNA;
D O I：
10.1039/c3cc46594b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The transient IR absorption spectrum for UV-excited i-motif DNA is reported for the first time and found to possess complex dynamics pointing to multiple decay processes, including possible charge transfer between packed hemi-protonated C bases.
引用
收藏
页码：2990 / 2992
页数：3
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