A BODIPY-based reactive probe for ratiometric fluorescence sensing of mercury ions |
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| Authors: | Dokyoung Kim Koji Yamamoto Kyo Han Ahn |
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| Affiliation: | 1. Department of Chemistry and the Center for Electro-Photo Behaviors in Advanced Molecular Systems, POSTECH, San 31, Hyoja-dong, Pohang 790-784, Republic of Korea;2. Department of Pharmaceutical Sciences, Tohoku University, Aoba-ku, Sendai 980-8578, Japan |
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| Abstract: | A simple BODIPY derivative is demonstrated to fluorescently sense Hg2+ in a ratiometric manner. The probe, an 8-methylthio-BODIPY, undergoes Hg2+-promoted hydrolysis to produce the corresponding 8-hydroxy-BODIPY, which conversion is accompanied with a large emission wavelength change. The probe can selectively detect Hg2+ over various other metal cations, with a detection limit of 1 ppb. |
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