首页> 外文期刊>European Journal of Medicinal Chemistry: Chimie Therapeutique >Synthesis, characterization and DNA binding studies of new ruthenium(II)bisterpyridine complexes.
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Synthesis, characterization and DNA binding studies of new ruthenium(II)bisterpyridine complexes.

机译:新型钌(II)静脉络合物的合成,表征和DNA结合研究。

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摘要

Two new ruthenium(II) complexes, [Ru(itpy)2](PF6)2, 1 and [Ru(bitpy)2](PF6)2 2, were synthesized and characterized by ESI-Mass, UV-Visible, 1H NMR, fluorescence spectroscopy and cyclic voltammetry. Complex 1 has been characterized crystallographically. Interaction of these complexes with CT-DNA has been studied using absorption and CD spectra. Absorption spectral titration and CD spectral measurements show that complex 1 binds with DNA through intercalation. Complex 2 on the other hand shows dual mode of binding to DNA, groove binding as well as intercalation. Photo nuclease activity of these complexes has been studied using agarose gel electrophoresis and both the complexes have been shown to exhibit photonuclease activity. However, complex 1 has been found to show higher DNA cleaving efficiency compared to complex 2.
机译:两个新的钌(II)配合物,[Ru(ETPY)2](PF6)2,1和[Ru(Bitpy)2](PF6)2 2合成,其特征在于ESI质量,UV可见,1H NMR ,荧光光谱和循环伏安法。 复合体1已在晶体上表征。 使用吸收和CD光谱研究了这些配合物与CT-DNA的相互作用。 吸收光谱滴定和CD光谱测量表明复合物1通过插层与DNA结合。 另一方面,复合物2显示与DNA的双模结合,沟槽绑定以及插层。 使用琼脂糖凝胶电泳研究了这些复合物的照片核酸酶活性,并且已经显示复合物的粘合剂表现出光子核酸酶活性。 然而,与复合物2相比,已发现复合物1显示更高的DNA切割效率。

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