‘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
‘On–off–on’ fluorescent indicators of pH windows based on three separated components
PALLAVICINI, PIERSANDRO;AMENDOLA, VALERIA;TAGLIETTI, ANGELO MARIA
2002-01-01
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 pHFile in questo prodotto:
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