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  • Title: A highly sensitive and selective fluorescent probe for fluoride anions based on intramolecular charge transfer.
    Author: Liu J, Xu Z, Liu C, Xu L, Wang Z, Zhu B.
    Journal: Luminescence; 2016 Aug; 31(5):1166-70. PubMed ID: 26467672.
    Abstract:
    Currently, there is a great need to develop methods for the selective detection of fluoride anions (F(-) ) owing to their toxicity in the environment and biological function in living systems. In this study, we developed a new fluorescent probe (probe 1) employing a Si-O bond as a highly selective recognition receptor for detecting F(-) via intramolecular charge transfer. Probe 1 could detect F(-) quantitatively using the turn-on fluorescence spectroscopy method with excellent sensitivity in the range of 4-38 μM and a detection limit of 0.26 μM; the detection time was < 17 min. We anticipate that probe 1 would be used widely to monitor F(-) in the environment. Copyright © 2015 John Wiley & Sons, Ltd.
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