Organic Letters · 2011 · 167 citations · 24 references
Natural SciencesBiochemistryCell BiologyBiophysical ChemistryMolecular ImagingSensorsBioinorganic ChemistryCell-based BiosensorsChemical SensorsFluorescence ImagingFluorescence SpectroscopyLigand BindingFluorescent BiosensingFluorescent Cell BiosensorsFluorescent Chemical ProbesFluorescent Phosphate SensorsFluorescent ProbesFluorescent Recognition ProbesPhosphate RecognitionZinc(ii) Recognition
A new zinc(II) complex with a two-dipicolylamine-substituted 1,8-naphthalimide for recognition of pyrophosphate with ratiometrical fluorescence changes in aqueous solution has been synthesized and characterized. Its biological application to monitor the intracellular pyrophosphate (PPi) was successfully demonstrated by the observation that the fluorescence of 1 was enhanced by the presence of the Zn(2+) ion and was quenched by addition of PPi.
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