Microscopy, ElectronElectronsMicroscopy, Electron, ScanningElectron TransportMicroscopy, Electron, TransmissionCone-Beam Computed TomographyElectron Spin Resonance SpectroscopyParticle AcceleratorsHeavy IonsMicroscopy, Electron, Scanning TransmissionRadiotherapy Planning, Computer-AssistedRadiotherapy DosageProton TherapyOxidation-ReductionRadiation DosagePhantoms, ImagingElectron Probe MicroanalysisPhotonsRadiotherapy, High-EnergyRadiotherapy, ConformalEquipment DesignRelative Biological EffectivenessProtonsLinear Energy TransferLasersEquipment Failure AnalysisSynchrotronsElectron Transport Complex IVX-RaysBrachytherapyRadiotherapy, Intensity-ModulatedElectron Transport Complex IIIHeavy Ion RadiotherapyScattering, RadiationImaging, Three-DimensionalThermoluminescent DosimetryScintillation CountingTransducersCryoelectron MicroscopyDose-Response Relationship, RadiationRadiotherapyKineticsMonte Carlo MethodRadiography, DentalComputer-Aided DesignModels, MolecularRadiographic Image EnhancementOrgans at RiskLightRadiotherapy, Computer-AssistedElectron Transport Chain Complex ProteinsFiducial MarkersImage Processing, Computer-AssistedPhotosynthesisTime FactorsCarbonMicroscopy, ImmunoelectronFilm DosimetrySpectrophotometryOxidoreductasesElectron Transport Complex IProtein ConformationTomography, X-Ray ComputedRadiation ProtectionX-Ray DiffractionCytochrome c GroupCytochromesOptics and PhotonicsPhotosynthetic Reaction Center Complex ProteinsRadiobiologyReproducibility of ResultsSurface PropertiesCell MembraneMolecular Sequence DataSpin LabelsOxygenTomography Scanners, X-Ray ComputedFerredoxinsRadiotherapy, Image-GuidedWaterSpectrum AnalysisDose FractionationGoldPhotosystem I Protein ComplexIonsFour-Dimensional Computed TomographyLensesModels, BiologicalFerricyanidesRadiation InjuriesMitochondriaFreeze FracturingAlgorithmsUbiquinoneUltrasonicsStaining and LabelingRadiography, Dental, DigitalHistocytochemistryMicrotomyElectrochemistry