in absorbance at ∼425 nm, indicating gradual release of p-nitrophenolate by the hydrolysis of 4-nitrophenylphosphate ester with time, when 4-NPP (disodium 4-nitrophenylphosphate hexahydrate) has been used as a substrate. The complex behaves as a sensor for the detection of nitroaromatics in DMF solution via turn-off fluorescence response. The solution phase sensing mechanism has been studied and a strong
                                    独特的五核
锌(II)配合物,[(μ1,1 -N 3)2 (N 3)Zn(L)Zn} 2 Zn(L)] H 2 L = 2,2'-[ (1-甲基-1,2-乙二基)双(亚
氨基亚甲基)]双[6-
甲氧基苯酚]}已经合成并表征。X射线晶体学分析已证实其结构。复已显示出良好的
磷酸酶模仿活性 ķ猫〜398ħ -1的在298K},通过监测在~425处吸光度的增加分光光度计评价,表明逐渐释放p当使用4-NPP(4-
硝基苯基
磷酸二氢
钠六
水合物)作为底物时,4-
硝基苯基
磷酸酯随时间的
水解而生成-硝基
酚盐。该复合物可作为传感器,通过关闭荧光响应来检测
DMF溶液中的硝基芳香族化合物。已经研究了溶液相感测机理,并且发现了对于
3-甲基-4-硝基苯甲酸的淬灭常数(K SV)为6.497×10 4 M -1的强淬灭效率。