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- W2345378226 abstract "合成了5,10,15-三(4-羧基-苯基)咔咯铁配合物(Fe Ⅲ TCPC), 采用紫外-可见光谱、 荧光光谱、 圆二色光谱和黏度法研究了Fe Ⅲ TCPC与小牛胸腺DNA(ct-DNA)的相互作用, 并用琼脂糖凝胶电泳研究了氧化剂参与下Fe Ⅲ TCPC对pBR22 DNA的氧化断裂能力. 结果表明, Fe Ⅲ TCPC与DNA的作用方式为外部结合模式, 其结合常数 K b =1.96×10 5 L/mol. 在过氧化氢(H 2 O 2 )或叔丁基过氧化氢(TBHP)为氧化剂条件下, Fe Ⅲ TCPC展现出良好的DNA氧化断裂能力, 且TBHP的氧化断裂效率比H 2 O 2 好. 用H 2 O 2 和TBHP为氧化剂时, Fe Ⅲ TCPC可能是通过活性Fe Ⅴ -oxo机制对DNA氧化断裂." @default.
- W2345378226 created "2016-06-24" @default.
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- W2345378226 date "2013-09-29" @default.
- W2345378226 modified "2023-09-28" @default.
- W2345378226 title "水溶性羧酸咔咯铁(III)配合物对DNA的氧化断裂作用" @default.
- W2345378226 doi "https://doi.org/10.7503/cjcu20130610" @default.
- W2345378226 hasPublicationYear "2013" @default.
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