title: A ferrocene-porphyrin ligand for multi-transduction chemical sensor development.
abstract: 5,10,15,20-Tetraferrocenyl porphyrin, H2TFcP, a simple example of a donor-acceptor system, was tested as ligand for the development of a novel multi-transduction chemical sensors aimed at the determination of transition metal ions. The fluorescence energy transfer between ferrocene donor and porphyrin acceptor sub-units was considered. The simultaneously measured optical and potentiometric responses of solvent polymeric membranes based on H2TFcP permitted the detection of lead ions in sample solutions, in the concentration range from 2.7 × 10(-7) to 3.0 × 10(-3) M. The detection limit of lead determination was 0.27 μM, low enough to perform the direct analysis of Pb2+ in natural waters.
authors: Department of Chemical Science and Technologies, University of Rome Tor Vergata, via della Ricerca Scientifica, 1, Rome 00133, Italy. larisa.lvova@uniroma2.it
authors: Larisa
authors: L
authors: Lvova
authors: Pierluca
authors: P
authors: Galloni
authors: Barbara
authors: B
authors: Floris
authors: Ingemar
authors: I
authors: Lundström
authors: Roberto
authors: R
authors: Paolesse
authors: Corrado
authors: C
authors: Di Natale
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