Journal
INORGANIC CHEMISTRY
Volume 49, Issue 9, Pages 4002-4007Publisher
AMER CHEMICAL SOC
DOI: 10.1021/IC901354x
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Funding
- NSFC [20771048, 20931003]
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A fluorescent Zn2+ sensor 2-(hydroxymethyl)-4-methyl-6-((quinolinyl-8-imino)methyl)phenol (HMQP) based on the 8-aminoquinoline platform has been synthesized This sensor displays high selectivity, sensitive fluorescence enhancement, strong binding ability, and ratiometric response to Zn2+ in Tris-HCl (50 mM, pH 7 54), THF-H2O (9(.)1, v/v). And an obvious color change between HMQP and Zn2+-MQP(-) can be visually observed by the naked eye. The composition of the complex Zn2+-MQP(-) has been found lobe 1:2 based on the fluorescence/absorption titration and further confirmed by X-ray crystallography.
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