Journal
JOURNAL OF FLUORESCENCE
Volume 26, Issue 1, Pages 53-57Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-015-1717-8
Keywords
Aggregation-induced emission; Fluorescence probe; Colorimetric detection; Magnesium ion
Funding
- national natural science funds projects [21176029, 21476029]
- LNET [LR2015001]
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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 x 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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