DNA interaction studies of complezes of lanthanide nitrates with tris”2-”(2,4-dihydrozybenzylidene)imino”ethyl”amine

摘要：

A new tripodal，hydroxyl-rich ligand，tris”2-”(2,4-dihydroxybenzylidene)imino”ethyl”amine(L)，and its complexes with lanthanide nitrates were synthesized. The interaction of complexes with DNA were investigated by fluorescence spectra，which showed that all the complexes can intercalate into the base group pairs of DNA，and EuL and SmL complexes also can react with DNA by external electrostatic binding，which show that the binding model is effected by the metal ions. The binding affinity owith DNA is La(Ⅲ)complex>Sm(Ⅲ)complex Yb(Ⅲ)complex，which obey the “Lanthanide Contraction”rule.

关键词： 镧系元素 稀土硝酸盐 配合物 荧光光谱

作者: Wen-BingYuan MinLiu QiZhang Hai-KuanLiu Chun-ManJia NaLiu LeiChen

作者单位: Key laboratory of Tropic Biological Resources of Ministry of Education and Hainan Provincial Key Laboratory of Fine Chemical, Hainan University, Haikou 570228, China

会议类型: 国内会议

会议名称: 第四届十三省区市机械工程学会科技论坛暨2008海南机械科技论坛

会议地点: 海口

会议语种:英文

页码: 1-4

在线出版日期: 2008-10-18（万方平台首次上网日期，不代表论文的发表时间）