Diaminoterephthalate-EDTA and -EGTA Conjugates – “Turn on” Fluorescence Sensors for Zinc Ions
European Journal of Organic Chemistry（2021）
Abstract
Zinc turns it on! Conjugation of the fluorescence dye diaminoterephthalate with EDTA results in a constitutionally very simple sensor (DAT)2EDTA with remarkable selectivity towards Zn2+ ions. In the presence of one equivalent of Zn(OAc)2 in solution, the fluorescence quantum yield is increased by factor of about six!Unlabelled Image
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Key words
Chelate ligands,Diaminoterephthalates,Fluorescence,Sensors,Zinc ions
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