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中文摘要：
设计合成了一种新型1，3，4-噻二唑类光化学传感分子5-（4-（dimethylamino）benzylideneamino）-1，3，4-thia—diazole-2-thiol（DBTT），该传感分子在甲醇-2％水体系中可以高选择性地用比色法识别Cu^2＋，并且制作了DBTT检测Cu^2＋的试纸，在一定条件下可以应用于实际样品中Cu^2＋的快速检测．以等摩尔系列法研究了DBTY与Cu^2＋络合的化学计量比为1：1，结合红外光谱与核磁滴定实验结果推测了DBTF对Cu^2＋可能的识别机理．
英文摘要：
A structurally novel optical chemosensor 5-（ 4-（ dimethylamino ） benzylideneamino ） -1,3,4- thiadiazole-2-thiol（DBTT） was designed and synthesized for highly selective eolorimetric sensing of Cu^2＋ in methanol-2% H2O system. The colorimetric test kit based on DBTT was fabricated, which eould be used to fast deteetion of Cu^2＋ in methanol-2% H2O system. The 1 ： 1 binding mode of DBTT revealed by Job＇s Plot with Cu^2＋, coupled with FT-IR and ^1H-NMR titration, demonstrated the possible recognition mechanism.
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