Direct detection of nucleotide radical cations produced by electrontransfer oxidation of DNA bases with electron-transfer state of 9-mesityl-10-methylacridinium ion and resulting efficient DNA cleavage without oxygen

被引:30
作者
Ohkubo, Kei [1 ]
Yukimoto, Kazusa [1 ]
Fukuzumi, Shunichi [1 ]
机构
[1] Osaka Univ, Japan Sci & Technol Agcy, SORST, Grad Sch Engn,Dept Mat & Life Sci, Suita, Osaka 5650871, Japan
关键词
D O I
10.1039/b601418f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Photoinduced electron transfer of DNA as well as DNA bases with 9-mesityl-10-methylacridinium ion results in formation of all types of DNA base radical cations, which have been detected as the transient absorption spectra measurements, leading to efficient DNA cleavage in the absence of O-2.
引用
收藏
页码:2504 / 2506
页数:3
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