Sulfide-selective chemosignaling by a Cu2+ complex of dipicolylamine appended fluorescein

A new sulfide-selective chemosignaling system was devised based on a Cu(2+) complex of fluorescein derivative having a dipicolylamine (DPA) binding site; the fluorescein-DPA conjugate 1, in the presence of Cu(2+) ions, revealed a selective turn-on type signaling behavior toward sulfide ions with a d...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2009-12 (47), p.7390-7392
Main Authors: Choi, Myung Gil, Cha, Sunyoung, Lee, Haekyung, Jeon, Hye Lim, Chang, Suk-Kyu
Format: Article
Language:English
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Summary:A new sulfide-selective chemosignaling system was devised based on a Cu(2+) complex of fluorescein derivative having a dipicolylamine (DPA) binding site; the fluorescein-DPA conjugate 1, in the presence of Cu(2+) ions, revealed a selective turn-on type signaling behavior toward sulfide ions with a detection limit of 420 nM in 100% aqueous solution.
ISSN:1359-7345
1364-548X
DOI:10.1039/b916476f