A fluorescence chemosensor based on imidazo[1,2-a]quinoline for Al3+ and Zn2+ in respective solutions†,10.1039/C5RA21055K

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A fluorescence chemosensor based on imidazo[1,2-a]quinoline for Al3+ and Zn2+ in respective solutions†

Junhua Sun,Zheng Liu,Ying Wang,Shihua Xiao,Meishan Pei,Xiuxian Zhao,Guangyou Zhang

RSC Advances Pub Date : 11/12/2015 00:00:00 , DOI:10.1039/C5RA21055K

Abstract

A new chemosensor, N′-[(2-hydroxyphenyl)methylidene]imidazo[1,2-a]quinoline-2-carbohydrazide (L2), was developed, which could detect Al³⁺ in DMSO/H₂O HEPES buffer and Zn²⁺ in EtOH/H₂O HEPES buffer. The chemosensor exhibits high selectivity and sensitivity for sensing Al³⁺ and Zn²⁺ with a fluorescence “turn-on” mode.