(2), with pyridine-2,6-dicarboxylic acid (H2pydc) and 3-amino-1H-1,2,4-triazole (atr), have been synthesized and characterized. The interaction ability of the both complexes with native calf thymus DNA (CT-DNA) has been monitored as a function of the metal complex-DNA molar ratio. UV–vis spectrophotometry, circular dichroism (CD), thermal denaturation studies, cyclic voltammetry (CV) and viscosity
两种Cu(II)配合物,[Cu 2(μ-atr)(pydc)2(H 2 O)4 ]·5H 2 O(1)和[Cu(atr)(pydc)(H 2 O)]·H已经合成并表征了具有
吡啶-2,6-二
羧酸(H 2 pydc)和3-
氨基-1 H -
1,2,4-三唑(atr)的2 O(2)。两种配合物与天然小牛胸腺DNA(CT-DNA)的相互作用能力已作为
金属配合物-DNA摩尔比的函数进行了监测。紫外可见分光光度法,圆二色性(CD),热变性研究,循环伏安法(CV)和粘度测量。本征结合常数K配合物1和2的b值,以及通过UV-vis吸收研究获得的CT-DNA分别为4.7(±0.1)×10 4和9.5(±0.1)×10 4 M -1。使用粘度,循环伏安法和CT-DNA研究以及CD研究的T m进行了相互作用模式的进一步研究,表明复合物通过插入模式与DNA结合。