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- W2346801156 abstract "研究了一系列钌(II)多吡啶配合物对pBR322DNA的光断裂作用,并与光谱法和粘度法的研究结果进行了对比.实验结果表明,钌(II)多吡啶配合物光断裂DNA的能力不仅与配合物与DNA相互作用的结合模式和结合强度有关,还与配合物自身的电子结构有关;钌(II)多吡啶配合物对DNA的光断裂存在立体选择性;其断裂机理是激发态的配合物与溶液中的氧分子发生能量转移生成单线态氧活性氧化物种,将鸟嘌呤碱基氧化而导致DNA断裂.本研究对于遗传工程中的化学核酸酶以及以DNA为靶标的药物设计有重要的意义." @default.
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- W2346801156 date "2005-03-28" @default.
- W2346801156 modified "2023-09-23" @default.
- W2346801156 title "钌(II)多吡啶配合物光断裂DNA的实验研究" @default.
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