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A spiropyran-based colorimetric probe for the highly selective and sensitive detection of copper(II) ions
Wangen Miao1, Limei Xu1, Jingli Liu1
1School of Chemistry and Chemical Engineering, Key Laboratory of Clean Energy Materials Chemistry of Guangdong Higher Education Institutes, Lingnan Normal University, Zhanjiang 524048, China. miaowangen@iccas.ac.cn.
Abstract:
A highly selective, sensitive and convenient probe, based on a photochromic and acidochromic benzoxazole-spiropyran derivative, was developed for visual Cu2+ detection. The detection remained unaffected by competing ions and achieved a detection limit of 10-7 M in both solution and test strip formats.

