Ultraviolet RaysLightFluorescenceRadiation EffectsSpectrometry, FluorescenceUltraviolet TherapyMicroscopy, FluorescenceRadiation GeneticsMicroscopy, UltravioletSpectrophotometry, UltravioletPUVA TherapyDose-Response Relationship, RadiationFluorescence PolarizationMethoxsalenDNA RepairPhotochemistrySunscreening AgentsIn Situ Hybridization, FluorescenceFluorescent DyesErythemaPyrimidine DimersSunlightThyminePhotosensitivity DisordersFluorescence Resonance Energy TransferSkinXeroderma PigmentosumPhotolysisMutationDNAPsoralensEscherichia coliKineticsDNA DamageSkin NeoplasmsSunburnMice, HairlessEye Protective DevicesGenetics, MicrobialNeoplasms, Radiation-InducedTryptophanTime FactorsSkin AgingCell LineFicusinTrioxsalenMolecular Sequence DataCells, CulturedPhotosensitizing AgentsDNA, BacterialLasersMethyl MethanesulfonateFluorescence Recovery After PhotobleachingCell SurvivalKeratinocytesFibroblastsDNA ReplicationMitomycinsMicroscopy, Fluorescence, MultiphotonTemperatureLysogenyBase SequenceDarknessProtein BindingAffinity LabelsCondimentsThymidineTritiumStaining and LabelingCentrifugation, Density GradientMutagensAcridinesColiphagesHydrogen-Ion ConcentrationX-RaysWettabilityBinding SitesEnergy TransferEpidermisGreen Fluorescent ProteinsBacteriophagesDermatitis, ContactChromatography, High Pressure LiquidLuminescent ProteinsProkaryotic Initiation Factor-1Circular DichroismHot TemperatureAmino Acid SequenceDeoxyribonucleasesSkin PigmentationCricetinaeAzidesRecombination, GeneticCobalt RadioisotopesRhodaminesEndonucleasesParabiosisDeoxyribodipyrimidine Photo-LyaseMicroscopy, ConfocalCockayne Syndrome