Generation of Singlet Oxygen during Photosensitized One-Electron Oxidation of DNA

被引：14

作者：

Osakada, Yasuko ^{[1
]}

Kawai, Kiyohiko ^{[1
]}

Tachikawa, Takashi ^{[1
]}

Fujitsuka, Mamoru ^{[1
]}

Tainaka, Kazuki ^{[1
]}

Tero-Kubota, Shozo ^{[2
]}

Majima, Tetsuro ^{[1
]}

机构：

[1] Osaka Univ, Inst Sci & Ind Res SANKEN, Osaka 5670047, Japan

[2] Tohoku Univ, Business Dev Div Cooperat Res & Dev, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2012年 / 18卷 / 04期

关键词：

charge transfer; DNA; DNA oxidation; photochemistry; singlet oxygen; GUANINE OXIDATION; MOLECULAR-OXYGEN; DAMAGE; MECHANISMS; PHOTONUCLEASES; PHOTOCLEAVAGE; STABILITY; MOIETY; BASES;

D O I：

10.1002/chem.201101964

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Crosstalk! It is demonstrated that singlet oxygen molecules ( 1O 2) are produced during the reaction between superoxide and the guanine radical cation; this suggests that the parallel typea I and typea II mechanisms intersect with each other during photosensitized DNA oxidation (see figure). Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1060 / 1063

页数：4

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