PorphyrinsOxygenCoproporphyrinsMetalloporphyrinsOxygen ConsumptionHematoporphyrinsReactive Oxygen SpeciesUroporphyrinsPorphyriasProtoporphyrinsDeuteroporphyrinsAminolevulinic AcidMesoporphyrinsHemeSinglet OxygenHarderian GlandPhotosensitizing AgentsFerrochelataseHematoporphyrin DerivativePhotochemotherapyOxygen Inhalation TherapyLevulinic AcidsDihematoporphyrin EtherPorphyrinogensPorphobilinogenUroporphyrinogen DecarboxylaseOxidation-ReductionHeminSpectrophotometryHydroxymethylbilane SynthaseHemeproteinsHexachlorobenzeneOxygen IsotopesSpectrometry, Fluorescence5-Aminolevulinate SynthetaseIronHydrogen PeroxideMolecular StructurePorphyria Cutanea TardaMyoglobinUroporphyrinogensPorphyrias, HepaticOxidative StressProtoporphyrinogen OxidaseHemoglobinsDicarbethoxydihydrocollidineFree Radical ScavengersHyperbaric OxygenationSuperoxide DismutaseKineticsPhotochemistryPartial PressureCobaltPorphobilinogen SynthaseSpectrum AnalysisLightPeroxidasesHematoporphyrin PhotoradiationElectronsManganeseFree RadicalsGold CompoundsAntioxidantsOxyhemoglobinsAnoxiaSpectrum Analysis, RamanMitochondriaSpectrophotometry, UltravioletHydrogen-Ion ConcentrationChromatography, High Pressure LiquidGriseofulvinOximetry