Boron CompoundsHydrogenHydrogen BondingHydrogen PeroxideBoranesHydrogen SulfideBoric AcidsNitric Oxide SynthaseBoratesBorohydridesNitric Oxide Synthase Type IIOxidesNitric Oxide Synthase Type IIINeutron Capture TherapyNitric Oxide Synthase Type IIsotopesNeutronsNitrogen OxidesZinc OxideHydrogen CyanideModels, MolecularSulfhydryl CompoundsOxidation-ReductionNG-Nitroarginine Methyl EsterPhenylalanineArginineNitritesNutritional RequirementsOxidantsCatalaseEnzyme InhibitorsRadiation-Sensitizing AgentsMolecular StructureNitratesomega-N-MethylarginineDeuterium Exchange MeasurementDose-Response Relationship, DrugWaterKineticsMagnetic Resonance SpectroscopyModels, ChemicalAmino Acid OxidoreductasesStereoisomerismCystathionine gamma-LyaseTrace ElementsSulfidesTissue DistributionSpectrometry, Mass, Secondary IonBreath TestsCatalysisMolecular Sequence DataOxygenCyclic GMPRats, Sprague-DawleyCrystallography, X-RayS-Nitroso-N-AcetylpenicillamineReactive Oxygen SpeciesEndothelium, VascularMolecular ConformationSuperoxidesHydrogen-Ion ConcentrationNitroso CompoundsProtein ConformationNitroprussideDeuterium OxidePenicillamineHydrogenaseThiouracilFerric CompoundsMethaneCells, CulturedTime FactorsPeroxidasesFree RadicalsVasodilationBrain NeoplasmsSuperoxide DismutaseNanotubesFluorineFree Radical ScavengersImmunoproteinsFerrosoferric OxideCucurbitaDrug CarriersDiamondBinding SitesGasesHydroxyl RadicalMagnesium OxideGliomaThermodynamicsMolsidomineRats, WistarTemperatureXylemChemical ProcessesAmino Acid SequenceAminoacylationGuanylate CyclaseMass Spectrometry