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Spectroscopy Letters
An International Journal for Rapid Communication
Volume 40, 2007 - Issue 1: Spectrometry and Automation
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Original Articles

Investigation of Photoinduced Electron Transfer Between ZnPcLTs and Guanine: The Role of Type I Mechanism in Photodamage of Calf Thymus DNA

Shaohua Wei Jiangsu Engineering Research Center for Bio‐medical Function Material, Nanjing Normal University, Nanjing, People's Republic of China; School of Chemistry and Chemical Technology, Shanghai JiaoTong University, Shanghai, People's Republic of ChinaCorrespondence[email protected]
,
Jiahong Zhou Jiangsu Engineering Research Center for Bio‐medical Function Material, Nanjing Normal University, Nanjing, People's Republic of China
,
Yuying Feng Jiangsu Engineering Research Center for Bio‐medical Function Material, Nanjing Normal University, Nanjing, People's Republic of China
,
Xuesong Wang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, People's Republic of China
,
Baowen Zhang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, People's Republic of China
,
Deyin Huang School of Chemistry and Chemical Technology, Shanghai JiaoTong University, Shanghai, People's Republic of China
&
Jian Shen Jiangsu Engineering Research Center for Bio‐medical Function Material, Nanjing Normal University, Nanjing, People's Republic of China
 show all
Pages 129-137 | Received 14 Feb 2006, Accepted 31 Jul 2006, Published online: 15 Feb 2011
 
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Abstract

The photoinduced electron transfer between ZnPcLTs and guanine was studied by steady‐state emission and electron spin resonance as well as time‐resolved absorption and emission, indicating the key role of type I (electron transfer) mechanism in photodynamic damage of calf thymus DNA by ZnPcLTs.

Acknowledgments

We would like to thank the financial support of the Natural Science Foundation of Jiangsu Education Department and Jiangsu Science Department (grant no. 04KJB150068 and no. BK2006216, respectively).

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