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

页码：2990 / 2992

页数：3

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