PorphyrinsPhotosensitizing AgentsPhotochemotherapySinglet OxygenHematoporphyrinsDihematoporphyrin EtherRose BengalMesoporphyrinsDeuteroporphyrinsPeryleneHematoporphyrin DerivativeAminolevulinic AcidMetalloporphyrinsTolonium ChlorideCoproporphyrinsProtoporphyrinsDermatitis, PhototoxicRadiation-Sensitizing AgentsFullerenesPhotochemistryLightChalcogensPorphyriasUroporphyrinsMethylene BlueHematoporphyrin PhotoradiationOrganometallic CompoundsIndolesErythrosineOrganosilicon CompoundsChlorophyllMolecular StructureSodium AzideHarderian GlandUltraviolet RaysHemeDose-Response Relationship, RadiationFerrochelataseSpectrometry, FluorescenceNanoparticlesFluorescenceOxygenReactive Oxygen SpeciesLevulinic AcidsCell Line, TumorMicroscopy, FluorescenceStructure-Activity RelationshipOxidation-ReductionSpectrophotometry, AtomicCell SurvivalDrug Delivery SystemsPorphyrinogensAnti-Infective AgentsDrug CarriersPorphobilinogenUroporphyrinogen DecarboxylaseFluorescent DyesTissue DistributionNeoplasmsLiposomesHydroxymethylbilane SynthaseSkinHeminHexachlorobenzeneHeLa Cells5-Aminolevulinate SynthetaseTumor Cells, CulturedHemeproteinsSpectrophotometryPorphyria Cutanea TardaUroporphyrinogensDose-Response Relationship, DrugPorphyrias, HepaticAntineoplastic AgentsProtoporphyrinogen Oxidase