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IVANA PIBIRI

Fluorescent Hg2+ Sensors: Synthesis and Evaluation of a Tren-Based Starburst Molecule Containing Fluorinated 1,2,4-Oxadiazoles.

  • Authors: PIBIRI, I; PALUMBO PICCIONELLO, A; CALABRESE, A; BUSCEMI, S; VIVONA, N; PACE, A
  • Publication year: 2010
  • Type: Articolo in rivista (Articolo in rivista)
  • Key words: 1,2,4-Oxadiazoles, Sensors, Electron transfer, Fluorinated ligands, Mercury
  • OA Link: http://hdl.handle.net/10447/52094

Abstract

A new tren-based starburst molecule containing fluorinated 1,2,4-oxadiazoles as fluorophores has been synthesized and its sensing behavior toward several metal cations has been investigated by UV/Vis, fluorescence, 1H NMR and 19F NMR spectroscopy. Selective sensing for Hg2+ ions through a PETbased mechanism was evidenced, suggesting application as fluorescent sensor for Hg2+ of the off-on type.