TheaceaeQuinolinium CompoundsFluorescent DyesHydrazinesOrganic ChemicalsFluorescenceMolecular ProbesFluorescence Resonance Energy TransferMicroscopy, FluorescenceFluorides, TopicalMicroscopy, ConfocalFlow CytometryStaining and LabelingCells, CulturedSpectrometry, FluorescenceLaser Scanning CytometryPhotobleachingCarbocyaninesSuccinimidesDiffusionGap JunctionsProtein BindingEndocytosisBinding, CompetitiveCell Membrane PermeabilityCell Line, TumorCell MembraneTime Factors