Citation: Lei Shi, Hai Yang Liu, Li Ping Si, Kai Mei Peng, Li Li Youb, Hui Wang, Lei Zhang, Liang Nian Ji, Chi Kwong Chang, Huan Feng Jiang. The heavy atom effect on photocleavage of DNA by mono-hydroxyl halogenated corroles[J]. Chinese Chemical Letters, ;2010, 21(3): 373-375. doi: 10.1016/j.cclet.2009.11.027 shu

The heavy atom effect on photocleavage of DNA by mono-hydroxyl halogenated corroles

a Department of Chemistry, South China University of Technology, Guangzhou 510641, China;
b State Key Laboratory of Optoelectronics Materials and Technologies/MOE Laboratory of Bioinorganic and Synthetic Chemsitry, Sun Yat-Sen University, Guangzhou 510275, China;
c Department of Chemistry, The Hong Kong University of Science and Technology, Hong Kong, China

Received Date: 17 August 2009

Fund Project: This work was supported by the National Natural Science Foundation of China (Nos. 20771039, 20625205, 20871122, 20971046) and National Key Foundation Research Development Project (973) Item of China (No. 2007CB815306).

DNA photocleavage properties of halogenated mono-hydroxyl corrole 1-5 were investigated. It was found that these corroles were able to photocleavage supercoiled pBR 322 DNA (SC) into nicked-circular DNA (NC). The activity of these corroles follows an order of 4 > 3 > 2≈ 1 > 5. The photosensitized singlet oxygen (φ_△) quantum yield by these corroles also follows that same order, showing the photocleavage activity is related to the heavy atom effect of halogen atoms on corroles.
- Corrole,
- DNA,
- Photocleavage,
- Heavy atom effect
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