High-yield generation of a long-lived charge-separated state in diphenylacetylene-modified DNA

被引:27
|
作者
Takada, T [1 ]
Kawai, K [1 ]
Fujitsuka, M [1 ]
Majima, T [1 ]
机构
[1] Osaka Univ, Inst Sci & Ind Res SANKEN, Osaka 5670047, Japan
关键词
charge transfer; DNA; electrochemistry; time-resolved spectroscopy;
D O I
10.1002/anie.200502568
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Base jumping: A long-lived charge-separated state has been generated in high yield for DNA modified with a diphenylacetylene derivative (DPA) through an adenine (A)-base-hopping mechanism (see diagram). Modulation of the redox properties of the photosensitizer and bridge bases (e.g., by employing a brominated adenine (BrA)) can improve the yield of the charge-separated state. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:120 / 122
页数:3
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