A Novel Coumarin-based Fluorescent Probe for Recognition of Copper(II) Ions and Its Application in Bioimaging
Tóm tắt
Simple, accurate and real-time analytical methods are required for the detection of metal ions in a complex environment. In the present work, a fluorescent probe CPB based on coumarin was designed for recognizing Cu2+ ions. The fluorescence of CPB gradually quenched with increasing concentration of Cu2+ ions, due to the interactions between CPB and Cu2+ions. With the addition of Cu2+ ions, the emission changes of CPB exhibited a good liner relationship toward the Cu2+ions content in solution. Additionally, CPB could highly selective recognize Cu2+ ions among other metal ions in solution. Bearing the selectivity and fluorescence property toward Cu2+ ions, CPB was successfully applied to monitoring Cu2+ ions in Hela cells and zebrafish.
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