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Abstract | Cited by

A new asymmetric macrocyclic ligand was synthesized and characterized by NMR studies, X-ray diffraction and mass spectroscopy. Based on the photoinduced electron transfer (PET) fluorescence enhancement mechanism, the ligand has been successfully used for the efficient detection of Pb2+ in aqueous buffer media (pH 7.4). The detection limit of Pb2+ is up to 9.63 × 10−10 M.

Graphical abstract: A new macrocyclic ligand as a turn-on fluorescent chemosensor for the recognition of Pb2+ ions

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