Mononuclear Zn(II)- and Cu(II)-complexes of a hydroxynaphthalene-derived dipicolylamine: fluorescent sensing behaviours toward pyrophosphate ions |
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Authors: | Roy Basab Rao Alla Sreenivasa Ahn Kyo Han |
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Institution: | Department of Chemistry and Center for Electro-Photo Behaviors in Advance Molecular Systems, POSTECH, Pohang, Republic of Korea. |
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Abstract: | Mononuclear Zn(II)-DPA and Cu(II)-DPA complexes crafted on 2-hydroxy-6-cyanonaphthalene fluorophore selectively recognize PPi over ATP and other anions including inorganic phosphates in aqueous medium, showing turn-on type fluorescence enhancements. Coordination of a hydroxyl group of the fluorophore, directly or in alkoxy form, to the central metal ion is crucial for the sensing processes. Both the complexes elicit a fluorescence increase in a time-dependent fashion. |
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