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An auxillary light-emitting fragment (coumarin-343) binds to a CuII ion in the right-hand compartment (B) of the ligand shown and its fluorescence is "switched off". If the pH value is raised from 7 to 11 the metal moves to the left compartment (A), which imposes a square stereochemistry and forces dissociation of the indicator, thus "switching on" the fluorescence. The pH-driven metal translocation is reversible and can be carried out for many cycles.

Signal amplification by a fluorescent indicator of a pH-driven intramolecular translocation of a Copper(II) ion

AMENDOLA, VALERIA;FABBRIZZI, LUIGI;MANGANO, CARLO PAOLO;MILLER, HAMISH;PALLAVICINI, PIERSANDRO;PEROTTI, ANGELO;TAGLIETTI, ANGELO MARIA
2002-01-01

Abstract

An auxillary light-emitting fragment (coumarin-343) binds to a CuII ion in the right-hand compartment (B) of the ligand shown and its fluorescence is "switched off". If the pH value is raised from 7 to 11 the metal moves to the left compartment (A), which imposes a square stereochemistry and forces dissociation of the indicator, thus "switching on" the fluorescence. The pH-driven metal translocation is reversible and can be carried out for many cycles.
2002
The Chemistry category includes resources that are general in nature and cover a broad spectrum of topics in the chemical sciences. Resources specifically covering analytical chemistry, inorganic and nuclear chemistry, organic chemistry, physical chemistry, and polymer science will be placed in those particular categories. Miscellaneous and applied chemistry resources may be placed in this category when not appropriate for specific subfields in chemistry.
ANGEWANDTE CHEMIE. INTERNATIONAL EDITION
sì
WOS:000176972000023
2-s2.0-0037099467
Sì, ma tipo non specificato
Inglese
Internazionale
STAMPA
41
14
2553
2556
cation translocation; bistable systems; copper complexes; supramolecolar chemistry; flurescence
http://onlinelibrary.wiley.com/doi/10.1002/1521-3773(20020715)41:14%3C2553::AID-ANIE2553%3E3.0.CO;2-U/abstract
7
info:eu-repo/semantics/article
262
Amendola, Valeria; Fabbrizzi, Luigi; Mangano, CARLO PAOLO; Miller, Hamish; Pallavicini, Piersandro; Perotti, Angelo; Taglietti, ANGELO MARIA
1 Contributo su Rivista::1.1 Articolo in rivista
none
1.1 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/112440
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