Microscopy, FluorescenceCryosurgeryFluorescenceSpectrometry, FluorescenceCryoelectron MicroscopyElectron Microscope TomographyTomography, X-RayMicroscopyMicroscopy, ConfocalFluorescent DyesMicroscopy, ElectronMicroscopy, Electron, ScanningMicroscopy, Fluorescence, MultiphotonFluorescence PolarizationIn Situ Hybridization, FluorescenceGreen Fluorescent ProteinsFluorescence Resonance Energy TransferMicroscopy, Atomic ForceLuminescent ProteinsMicroscopy, Electron, TransmissionCardiac CathetersRhodaminesAtrial FlutterFluorescence Recovery After PhotobleachingStaining and LabelingTachycardia, Atrioventricular Nodal ReentryMicroscopy, VideoMicroscopy, ImmunoelectronCell MembraneCarbocyaninesPhotobleachingTime FactorsPhotonsMicroscopy, InterferenceMicroscopy, PolarizationFluoresceinsFluorescein-5-isothiocyanateKineticsModels, MolecularCells, CulturedCatheter AblationCell LineProtein BindingMolecular ImagingImage Processing, Computer-AssistedActinsRecombinant Fusion ProteinsFluorescent Antibody TechniqueMicroscopy, Phase-Contrast2-NaphthylamineQuantum DotsFlow CytometryDiffusionFluoresceinLasersLiposomesMolecular Sequence DataLauratesCalciumTime-Lapse ImagingMicroscopy, Electron, Scanning TransmissionBiophysicsOptical ImagingFluorometryCell NucleusLipid BilayersMicroscopy, Scanning TunnelingProtein TransportHydrogen-Ion ConcentrationTemperatureEndocytosisSpectrometry, X-Ray EmissionModels, BiologicalCytoplasmSurface PropertiesLightOptical ProcessesMicroscopy, Scanning ProbeProtein ConformationImage CytometryRabbitsAmino Acid Sequence4-Chloro-7-nitrobenzofurazanTryptophanHeLa CellsEnergy TransferBiological TransportNanotechnologyImaging, Three-DimensionalNanoparticlesCytoskeletonBiophysical PhenomenaLensesUnilamellar LiposomesCell Line, TumorPhosphatidylcholinesMicrotubulesMembrane ProteinsDNAActin Cytoskeleton