TripletsSpin LabelsElectron Spin Resonance SpectroscopySpin TrappingPregnancy, TripletTrinucleotide RepeatsCyclic N-OxidesPregnancy, MultiplePregnancy Reduction, MultifetalNitrogen OxidesTrinucleotide Repeat ExpansionFree RadicalsTwinsQuadrupletsFriedreich AtaxiaBase SequenceNucleic Acid ConformationMolecular Sequence DataPhotochemistryMyotonic DystrophyMagnetic Resonance SpectroscopyQuantum TheoryModels, MolecularElectronsDNAMolecular StructureTriacetoneamine-N-OxylTemperatureMultiple Birth OffspringModels, ChemicalProtein ConformationKineticsNeurofilament ProteinsThermodynamicsAmino Acid SequenceSpectrophotometryChlorophyllHydroxyl RadicalOxidation-ReductionBinding SitesPregnancyMagneticsCodonPhotochemical ProcessesSpinacia oleraceaLight-Harvesting Protein ComplexesSinglet OxygenSpectrum AnalysisHeredodegenerative Disorders, Nervous SystemHydroxidesOxygenIron-Binding ProteinsHemePregnancy OutcomeLuminescenceMathematicsMutationPhotosystem II Protein ComplexQuintupletsEscherichia coliFragile X SyndromeSpectroscopy, MossbauerProtein BindingGenetic CodeReproductive Techniques, AssistedMagnetic Resonance ImagingIronEnergy TransferPhotosynthetic Reaction Center Complex ProteinsNucleic Acid DenaturationSolutionsAnticodonChorionSpectrometry, FluorescenceMolecular ConformationBiophysical PhenomenaRepetitive Sequences, Nucleic AcidAlgorithmsCarotenoidsTwins, ConjoinedWaterPhotolysisCentriolesElectron TransportOligodeoxyribonucleotidesNuclear Magnetic Resonance, BiomolecularComputer SimulationLightBiophysicsDinoflagellidaHydrogen-Ion ConcentrationHydrogen BondingGestational AgeModels, GeneticTryptophanIntermediate Filament ProteinsFragile X Mental Retardation ProteinStructure-Activity RelationshipFerrous CompoundsMyoglobin