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Abstract
采用电子吸收光谱、荧光光谱、粘度测定和琼脂糖凝胶电泳方法研究了配合物[Cu（TATP）（L-Ser）（H2O）]·ClO4（1）和[Cu（TATP）（L-Arg）（H2O）]2ClO4·0.5H2O（2）（TATP=1,4,8,9-四氮三联苯,L-Ser=L-丝氨酸,L-Arg=L-精氨酸）与DNA之间的相互作用.结果表明,配合物电子吸收光谱的最大吸收峰在加入DNA后产生明显的减色效应,配合物能极大地淬灭溴化乙啶（EB）-DNA体系的荧光,DNA的粘度随配合物浓度的增加而增大,表明配合物对DNA有较强的插入作用,作用力大小为配合物2〉1;另外,凝胶电泳实验结果表明配合物在维生素C存在的条件下对pBR322DNA具有显著的断裂作用.
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