Issue 20, 2002
From the journal:

Chemical Communications

‘On–off–on’ fluorescent indicators of pH windows based on three separated components†

Piersandro Pallavicini,*a   Valeria Amendola,a   Chiara Massera,b   Etienne Munduma  and  Angelo Tagliettia  

* Corresponding authors

a Dipartimento di Chimica Generale, Università di Pavia, via Taramelli 12, Pavia, Italy
E-mail: psp@unipv.it
Fax: (+39) 0382.528544
Tel: (+39)0382.507329

b Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, Parco Area delle Scienze 17/A, 43100 Parma, Italy

Abstract

‘On–off–on’ fluorescent indicators for pH windows are obtained with ternary systems in which the three separated components are Cu2+, a tetraaza ligand and the fluorophore Coumarin 343: protonation of Coumarin 343, its coordination to Cu2+ and its displacement from Cu2+ by OH− give an inverse bell-shaped variation of emission with pH.

Graphical abstract: ‘On–off–on’ fluorescent indicators of pH windows based on three separated components

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Article information

DOI
https://doi.org/10.1039/B205951G
Article type
Communication
Submitted
21 Jun 2002
Accepted
05 Sep 2002
First published
24 Sep 2002

Chem. Commun., 2002, 2452-2453

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‘On–off–on’ fluorescent indicators of pH windows based on three separated components

P. Pallavicini, V. Amendola, C. Massera, E. Mundum and A. Taglietti, Chem. Commun., 2002, 2452 DOI: 10.1039/B205951G

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