A simple sensor based on imidazo[2,1-b]thiazole for recognition and differentiation of Al3+, F− and PPi
作者:Zoualou Arvel Consty、Yanxia Zhang、Yuankang Xu
DOI:10.1016/j.jphotochem.2020.112578
日期:2020.6
Based on imidazo[2,1-b]thiazole and 2,3-dihydroxybenzaldehyde, a simple sensor, (E)-N'-(2,3-dihydroxybenzylidene)imidazo[2,1-b]thiazole-6-carbohydrazide (X), was designed and synthesized and its fluorescence responses to various ions were explored in DMF/H2O buffer solution (v:v = 1:1, tris =10 mM, pH = 7.4). The X could be used as “turn on” sensor to detect Al3+. The resultant complex X[Al3+] could
基于咪唑并[2,1- b ]噻唑和2,3-二羟基苯甲醛,一个简单的传感器,(E)-N' - (2,3-二羟基苯亚甲基)咪唑并[2,1-b]噻唑-6-碳酰肼(设计并合成X),并在DMF / H 2 O缓冲溶液(v:v = 1:1,tris = 10 mM,pH = 7.4)中探索其对各种离子的荧光响应。的X可被用作“打开”传感器来检测的Al 3+。将得到的复合物X [铝3+ ]可以被用作一个新的多功能传感器来识别的F -通过荧光强度的进一步提高,并检测的PPi由荧光猝灭。Al 3+,F的检出限-和PPi分别计算为3.57×10 -8 M,9.49×10 -9 M和3.24×10 -8M。根据ESI-MS研究中,对铝的结合比3+和F -测定既作为1:1。否则,对于铝的结合细节和感测机构3+,F - ,提出和PPi和由理论计算证明。应用实验证明,X可作成试纸条进行的Al 3+,F -和PPi和可以被用作传感器来识别的Al