苯并噻唑
部分
化学
荧光
水解
激发波长
检出限
组合化学
光化学
核化学
色谱法
立体化学
有机化学
物理
量子力学
作者
Lijun Tang,Ping He,Keli Zhong,Shuhua Hou,Yanjiang Bian
标识
DOI:10.1016/j.saa.2016.06.045
摘要
A new reactive probe, 1-(benzo[d]thiazol-2-yl)naphthalen-2-yl-picolinate (BTNP), was designed and synthesized. BTNP acts as a highly selective probe to Cu2 + in DMSO/H2O (7/3, v/v, Tris-HCl 10 mM, pH = 7.4) solution based on Cu2 + catalyzed hydrolysis of the picolinate ester moiety in BTNP, which leads to the formation of an ESIPT active product with dual wavelength emission enhancement. The probe also possesses the advantages of simple synthesis, rapid response and high sensitivity. The pseudo-first-order reaction rate constant was calculated to be 0.205 min− 1. Moreover, application of BTNP to Cu2 + detection in living cells and real water samples was also explored.
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