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INVESTIGATION ON INTERACTION OF 4-NITROANILINE WITH HUMAN SERUM ALBUMIN
Author(s): 
Pages: 845-849
Year: Issue:  6
Journal: ENVIRONMENTAL CHEMISTRY

Keyword:  4-硝基苯胺人血清白蛋白荧光光谱紫外光谱;
Abstract: 通过荧光和紫外光谱法研究了4-硝基苯胺与人血清白蛋白(HSA)的作用.结果表明,4-硝基苯胺对HSA的内源荧光具有强烈的猝灭作用.猝灭机理为静态猝灭,同时伴随有非辐射能量转移的发生.根据双对数方程计算其结合常数和结合位点数.确定4-硝基苯胺与HSA有一类结合部位.根据热力学参数得出4-硝基苯胺与HSA之间的主要作用力为氢键和疏水作用力.同步荧光的结果表明,作用点位靠近色氨酸,并且使色氨酸的疏水环境增强.
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