RhodaminesRhodamine 123FluorescenceSpectrometry, FluorescenceMicroscopy, FluorescenceFluorescent DyesFluorescence PolarizationIn Situ Hybridization, FluorescenceXanthenesFluorescence Resonance Energy TransferP-GlycoproteinFluoresceinsFluoresceinEnergy TransferFluorescence Recovery After PhotobleachingKineticsCarbocyaninesMicroscopy, ConfocalMicroscopy, Fluorescence, MultiphotonDrug Resistance, MultipleFluorometryGreen Fluorescent ProteinsFluorescein-5-isothiocyanateTryptophanStaining and LabelingVerapamilMitochondriaPhotonsLuminescent ProteinsPhalloidineFlow CytometryProtein BindingHydrogen-Ion ConcentrationLasersDiffusionProtein ConformationGenes, MDRColoring AgentsBiological TransportOptical ImagingLiposomesTime FactorsCell MembraneMolecular StructurePhotobleachingCells, CulturedCell LineBinding SitesTemperatureBiophysicsFluorescence Polarization ImmunoassayCircular DichroismSodium AzideAnilino NaphthalenesulfonatesBiophysical PhenomenaEthidiumMolecular Sequence DataPhotochemistryCalciumActinsDrug Resistance, Multiple, FungalAdenosine TriphosphateLightFluorescent Antibody Technique2-NaphthylamineIndicators and ReagentsChlorophyllRabbitsAcridine OrangeRetrograde ObturationCell SurvivalMolecular ProbesModels, MolecularDextransLipid BilayersAcrylamideP-GlycoproteinsDaunorubicinOrganic ChemicalsDose-Response Relationship, DrugMembrane PotentialsPyrenesDansyl CompoundsPhosphatidylcholinesCattleCricetinaeMicroscopy, VideoSpectrophotometryModels, ChemicalBenzimidazolesTumor Cells, CulturedGossypolAdenosine TriphosphatasesDiphenylhexatrieneATP-Binding Cassette TransportersCell Line, TumorAmino Acid SequenceNaphthalenesulfonatesEscherichia coliRecombinant Fusion Proteins