Spectrometry, FluorescenceFluorescenceFluorescent DyesFluorescence PolarizationMicroscopy, FluorescenceTryptophanCircular DichroismEnergy Transfer2-NaphthylamineFluorescence Resonance Energy TransferChlorophyllSpectrophotometry, UltravioletIn Situ Hybridization, FluorescenceProtein ConformationDansyl CompoundsKineticsAcrylamideMicroscopy, Fluorescence, MultiphotonProtein DenaturationPhotosystem I Protein ComplexChlorophyll Binding ProteinsLight-Harvesting Protein ComplexesNaphthalenesulfonatesPhycobilisomesAnilino NaphthalenesulfonatesPhotonsFluorometryGuanidineSpectrophotometryRhodaminesHydrogen-Ion ConcentrationPyrenesPositron-Emission TomographyLightTemperaturePhycocyaninCarbocyaninesPhotochemistryOtoacoustic Emissions, SpontaneousProtein BindingPhotosystem II Protein ComplexLuminescent ProteinsFluoresceinsFreeze SubstitutionPhotobleachingGreen Fluorescent ProteinsBinding SitesTomography, Emission-ComputedEthenoadenosine TriphosphateQuantum DotsUrobilinPhotosynthetic Reaction Center Complex ProteinsPhycoerythrinAcrylamidesMolecular Sequence DataProtein FoldingMicroscopy, ConfocalModels, MolecularAmino Acid SequenceMolecular StructureCyanobacteriao-PhthalaldehydePigments, BiologicalBiophysicsVehicle EmissionsProtochlorophyllideTime FactorsFluorescence Recovery After PhotobleachingFluorodeoxyglucose F18Biophysical PhenomenaPeriodic Acid-Schiff ReactionModels, ChemicalPhotosynthesisPhycobilinsUreaLasersRadiopharmaceuticalsProtein Structure, SecondaryThermodynamicsRecombinant ProteinsSpectrum AnalysisMolecular ImagingLipid BilayersLiposomesMathematicsApoproteinsMicellesColor4-Chloro-7-nitrobenzofurazanEscherichia coliStaining and LabelingPhotochemical ProcessesPhosphatidylcholinesTomography, Emission-Computed, Single-PhotonInfrared RaysBiosensing TechniquesOxazinesThylakoidsCattleCalcium