Ratiometric chemosensing of Mg ions by a calix[4]arene diamide derivative |
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| Authors: | Ki Cheol Song |
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| Institution: | Department of Chemistry, Chung-Ang University, Seoul 156-756, Republic of Korea |
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| Abstract: | A new chemosensor with a phenanthroimidazole subunit based upon calix4]arene-diamide has been synthesized, and its Mg2+-selective fluoroionophoric properties were investigated in an aqueous DMSO solution. The compound exhibited a pronounced Mg2+-selective fluoroionophoric behavior over other physiologically relevant metal ions. A significant red shift in fluorescence emission (Δλ = 86 nm) provided the ratiometric determination as well as naked-eye detection of Mg2+ ions. |
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| Keywords: | Mg2+-selective chemosensor Ratiometry Calix[4]arene Fluoroionophore |
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