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Three hexakis(imidazole)metallo complexes of Co, Cd and Ni were synthesized and spectroscopically characterized. The crystal and molecular structures have been determined by X-ray crystallography analysis. The metal ions have an octahedral geometry with the MN6 chromophore. The electrochemical experimental results indicate that both [Co(Im)6]C12·2HCl·2H2O (1) and [Ni(Im)6]C12·4H2O (3) [Im=imidazole] could interact with DNA mainly by intercalation. 相似文献
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紫外-可见光谱法和循环伏安法研究了1-(4-氯苯甲酰基)-4-[1'-N'-(2',3',4',6'-四-o-乙酰基)-D-吡喃葡萄糖基]氨基硫脲与DNA的相互作用.该试剂与DNA作用后,引起DNA的紫外特征吸收峰呈明显的减色效应和红移现象,通过该试剂对溴化乙锭-DNA紫外-可见光谱和循环伏安曲线的影响,证明它与DNA发生了嵌插作用. 相似文献
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