中文摘要：

合成了一种新的配体2,7-二（二苯胺酰乙氧基）萘及其铈苦味酸盐的配合物,采用1HNMR、红外光谱、元素分析、摩尔电导及热分析对其结构进行了表征,推测配合物的组成为[Ce（pic）3L2]。在pH=7.30的TrisHCl缓冲溶液中采用荧光光谱法分别研究了配合物与HSA、BSA、VOA的作用方式。结果表明,配合物对3种白蛋白的荧光猝灭属于静态猝灭,且猝灭程度为HSA〉BSA〉VOA。计算了不同温度下配合物与3种白蛋白间的结合常数（KA）、结合位点（n≈1）及相关热力学参数（ΔH〈0,ΔS〉0,ΔG〈0）,确定配合物与3种白蛋白之间主要靠静电作用力结合。并且采用同步荧光光谱及三维荧光光谱法研究了配合物对HSA、BSA和VOA构象的影响。

英文摘要：

A new ligand 2,7- Bis（ N- phenylaniline carbonyl ethoxy） naphthaedi and its picorate complexe [Ce（ pic）3] L2were synthesized and characterized by 1HNMR,IR spectra,elemental analysis and molar conductivity. The interaction of picorate Ce（ Ⅲ） complexe with HSA,BSA and VOA has been studied by fluorescence spectrum in Tris- Hcl buffer solution（ pH = 7. 30）. The results indicated that the Ce（ Ⅲ） complex caused the fluorescence quenching of HSA,BSA and VOA through a static quenching procedure and that the quenching degree was HSA〉 BSA〉 VOA. The binding constants（ KA）, the number of binding sites（ n≈1）,and corresponding thermodynamic parameters enthalpy change（ ΔH〈 0）,entropy change（ ΔS〉 0）,Gibbs free energy change（ ΔG 〈0）,between Ce（ Ⅲ） complexe and HAS（ BSA /VOA） at different temperatures were calculated. The primary binding pattern between Ce（ Ⅲ） complex and HSA（ BSA / VOA） were interpreted as electrostatic interaction. The effect of Ce（ Ⅲ） complexe conformation of HAS,BSA and VOA were investigated by synchronous fluorescence spectra and three- dimensional fluorescence spectra.