Photochemical ProcessesLightPhotochemistryEnergy TransferQuantum TheorySpectrometry, FluorescenceDNA ProbesElectronsChlorophyllHalorhodospira halophilaPhotosynthetic Reaction Center Complex ProteinsLight-Harvesting Protein ComplexesSpectrum AnalysisPheophytinsPhotoreceptors, MicrobialMolecular ProbesBiophysical PhenomenaLuminescenceFluorescence2-NaphthylamineBiophysicsFluorescent DyesSpectrophotometryBacteriochlorophyllsProtonsProton Pump InhibitorsKineticsLauratesModels, MolecularModels, ChemicalAbsorptionSchiff BasesPhotolysisMolecular StructureIsomerismElectron TransportSpinacia oleraceaPhotonsRetinaldehydeTemperatureThermodynamicsOligonucleotide ProbesLasersRhodobacter sphaeroidesBacteriorhodopsinsRutheniumCarotenoidsPhotosystem II Protein ComplexSpectrum Analysis, RamanIon PumpsInfusion PumpsSolventsPhotosynthesisMolecular ConformationElectromagnetic PhenomenaPhotosystem I Protein ComplexMyoglobinMolecular Probe TechniquesHalobacterium salinarumPorphyrinsPyrenesProtein ConformationMetalloporphyrinsRhodopseudomonasFluorescence PolarizationOrganometallic CompoundsSolutionsWaterHydrogen BondingTryptophanMathematicsHydrogen-Ion ConcentrationLuminescent MeasurementsRNA ProbesTime FactorsSpectrophotometry, UltravioletInfusion Pumps, ImplantableSodium-Potassium-Exchanging ATPasePigments, BiologicalOxidation-ReductionVibrationXanthophyllsRhodospirillum rubrumChemistry, PhysicalLuminescent ProteinsDNAElectrochemistryUltraviolet RaysSpectrophotometry, InfraredModels, TheoreticalBacterial ProteinsNucleic Acid ProbesCyanobacteriaElectron Spin Resonance SpectroscopyBinding SitesNuclear Magnetic Resonance, BiomolecularOuabainComputer SimulationNucleic Acid HybridizationCytosine