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A bifunctional fluorescent probe for sensing of Al3+ and H2S

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Abstract

Al3+ and H2S play essential roles in various physiological processes. However, excess Al3+ and H2S are harmful to health. Therefore, it is necessary to design a sensitive method for the detection of Al3+ and H2S. In this work, compound L was developed based on salicylaldoxime and 4-aminobenzamide. L displayed aggregation-induced emission (AIE) characteristics in the solid state due to a unique dimer formation via intermolecular hydrogen bonds. In addition, L could serve as a multi-responsive fluorescence probe for Al3+ based on the coordination reaction in a MeOH/H2O (9/1, v/v, pH = 7.4) medium and for H2S based on the addition reaction in EtOH/H2O (7/3, v/v, pH = 7.4) solution. In addition, L showed a fluorescence colorimetric response to Al3+ in the solid state. Furthermore, L was applied to detect Al3+ and H2S in actual water samples.

Graphical abstract: A bifunctional fluorescent probe for sensing of Al3+ and H2S

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Supplementary files

Article information


Submitted
17 Jan 2021
Accepted
30 Mar 2021
First published
01 Apr 2021

Anal. Methods, 2021, Advance Article
Article type
Paper

A bifunctional fluorescent probe for sensing of Al3+ and H2S

Z. Zong, J. Wang, Y. Bin, Y. Wu and G. Huang, Anal. Methods, 2021, Advance Article , DOI: 10.1039/D1AY00096A

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