Abstract
A simple aggregation-induced emission-based fluorescence probe (1) for Mg2+ was synthesized by condensation of benzene-1, 2-diamine with 5-bromo-2-hydroxybenzaldehyde, This compound shows favourable character of the AIE-active molecules. More importantly, after addition of Mg2+ to probe (1) in acetonitrile, the solution changed from colorless to yellow colour solution under ultraviolet (UV) radiation obtained from hand-held UV lamp, this finding suggested that probe (1) can be used to detect Mg2+ by colorimetric detection. Detection limit can reach 2.31 × 10−5 M−1. The practical value of the selective and sensitive fluorescence indicators was confirmed by its application to detection of magnesium ion in acetonitrile.
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The project was supported by the national natural science funds projects (No. 21176029, 21476029) and “LNET (No.LR2015001)”.
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Bian, YJ., Wang, LQ., Cao, FX. et al. A Simple Fluorescence Probe Based on Aggregation-Induced Emission (AIE) Property for the Detection of Mg2+ Ions. J Fluoresc 26, 53–57 (2016). https://doi.org/10.1007/s10895-015-1717-8
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DOI: https://doi.org/10.1007/s10895-015-1717-8