合成了2,7-二(苄胺酰乙氧基)萘(L)与稀土(RE:Y,La,Eu,Tb)苦味酸盐(pic)的配合物[RE(pic)3L2],用1H NMR、红外光谱、元素分析和摩尔电导表征了它们的结构、组成及性质.在pH=7.20的Tris-HCl缓冲溶液中用光谱法、伏安法和粘度法,测定4种配合物均以插入方式与ct-DNA发生配合作用,其作用强度为:La(Ⅲ)＞Tb(Ⅲ)＞Y(Ⅲ)＞Eu(Ⅲ).
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