Spectroscopy, Electron Energy-LossMicroscopy, Energy-Filtering Transmission ElectronElectron Probe MicroanalysisElectronsMass SpectrometryTandem Mass SpectrometryEnergy MetabolismRadiation DosageSpectrometry, Mass, Electrospray IonizationMagnetic Resonance SpectroscopySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryMicroscopy, ElectronChromatography, LiquidEnergy IntakeNumerical Analysis, Computer-AssistedChromatography, High Pressure LiquidMicroscopy, Electron, ScanningElectron Transport