Department of Environmental Engineering, Faculty of Engineering, Giresun University, 28200, Giresun, Turkey.
J Fluoresc. 2021 Jul;31(4):1143-1151. doi: 10.1007/s10895-021-02749-6. Epub 2021 May 12.
A novel quinoline-functionalized calix [4] arene derivative (Quin-Calix) has been successfully synthesized at partial cone conformation and duly characterized by using FTIR, H-NMR, C-NMR, ESI-MS and elemental analysis techniques. Moreover, the cation-binding property of the calix [4] arene derivative (Quin-Calix) has been investigated towards Cu, Ba, Cd, Co, Ni, Zn and Fe ions, and the recognition event monitored by UV-Vis absorption and fluorescence studies. The results indicated that Quin-Calix displays a remarkable affinity and selectivity only for Cu ion. The binding constant and stoichiometry of the complex formed between Quin-Calix and Cu ion have been also calculated from the fluorescence data. In addition, Stern-Vohmer equation has been used to elucidate the mechanism of quenching.
一种新型的喹啉功能化杯[4]芳烃衍生物（Quin-Calix）已经在部分锥形构象下成功合成，并通过傅里叶变换红外光谱（FTIR）、氢核磁共振（H-NMR）、碳核磁共振（C-NMR）、电喷雾质谱（ESI-MS）和元素分析技术进行了适当的表征。此外，还研究了杯[4]芳烃衍生物（Quin-Calix）对铜、钡、镉、钴、镍、锌和铁离子的阳离子结合性能，并通过紫外-可见吸收和荧光研究监测识别事件。结果表明，Quin-Calix 仅对铜离子表现出显著的亲和力和选择性。还从荧光数据计算了 Quin-Calix 与铜离子形成的配合物的结合常数和化学计量比。此外，斯特恩-沃默方程被用来阐明猝灭的机制。
