PhotonsProtonsProton PumpsProton Pump InhibitorsTomography, Emission-Computed, Single-PhotonMagnetic Resonance SpectroscopyHydrogen-Ion ConcentrationProton-Motive ForceLightRadiometryPhantoms, ImagingElementary ParticlesMonte Carlo MethodBacteriorhodopsinsScattering, RadiationScintillation CountingKineticsWaterParticle AcceleratorsProton-Translocating ATPasesRadiotherapy Planning, Computer-AssistedAspartic AcidRadiation DosageElectronsRadiotherapy DosageRelative Biological EffectivenessModels, MolecularMicroscopy, Fluorescence, MultiphotonVacuolar Proton-Translocating ATPasesOrganotechnetium CompoundsQuantum TheoryCreatineElectron Transport Complex IVElectron TransportHydrogenRadiotherapy, High-EnergyRadiopharmaceuticalsProtein ConformationDicyclohexylcarbodiimideNeutronsTechnetium Tc 99m ExametazimeModels, ChemicalThallium RadioisotopesHalobacterium salinarumEquipment Failure AnalysisEquipment DesignTechnetiumHydrogen BondingComputer SimulationOxidation-ReductionValinomycinOximesTomography, Emission-Computed2-PyridinylmethylsulfinylbenzimidazolesCholineLinear Energy TransferDose-Response Relationship, RadiationSpectrum AnalysisRadiotherapy, Intensity-ModulatedHeavy Ion RadiotherapyRhodopsinSchiff BasesTelluriumLasersModels, BiologicalHistidineMembrane PotentialsThermodynamicsMagnetic Resonance ImagingOmeprazoleImage Processing, Computer-AssistedTime FactorsProton TherapyRhodobacter sphaeroidesBrainIodine RadioisotopesOrgans at RiskSpectrometry, FluorescencePhotosynthesisTomography, OpticalOptics and PhotonicsBinding SitesSemiconductorsAlgorithmsHalobacteriumIonsGamma CamerasSensitivity and SpecificityOptical ProcessesRadiotherapy, ConformalAnti-Ulcer AgentsNigericinEnergy TransferAdenosine TriphosphateRadioisotopesArylsulfonatesDeuteriumReproducibility of ResultsSpectrophotometryBiophysical Phenomena