Spectrum Analysis, RamanSpectrum AnalysisHemeLasersHafniumVibrationHemeproteinsMyoglobinCarbon MonoxideProtein ConformationMicrospectrophotometrySpectrophotometrySchiff BasesWhalesSpectrophotometry, UltravioletPhycobilinsScattering, RadiationSpectroscopy, Fourier Transform InfraredPhotochemistryHemoglobin APorphyrinsCarotenoidsMolecular ConformationCarboxyhemoglobinCircular DichroismElectron Spin Resonance SpectroscopyPolydeoxyribonucleotidesMolecular StructureHydrogen-Ion ConcentrationFerrous CompoundsOxidation-ReductionModels, ChemicalBiophysical PhenomenaHydrogen BondingModels, MolecularBiophysicsHemoglobinsDithioniteTemperatureMagnetic Resonance SpectroscopyFreezingQuantum TheorySolutionsPhotolysisHorseradish PeroxidaseBinding SitesCattleIronPrincipal Component AnalysisHistidineThermodynamicsWaterOxygenSpectrophotometry, InfraredChemistryChemical PhenomenaNucleic Acid ConformationProtein BindingProtonsLigandsCopperElectron Transport Complex IVKineticsStructure-Activity RelationshipDNACrystallizationLightProtein Structure, SecondaryAlgorithmsBacterial ProteinsReproducibility of ResultsMetal NanoparticlesSpectrometry, FluorescenceSilverMicroscopyMass SpectrometryGoldFourier AnalysisElectronsDeuteriumBacteriorhodopsinsOptical FibersNuclear Magnetic Resonance, BiomolecularFiber Optic Technology