Spectrum AnalysisFourier AnalysisSignal Processing, Computer-AssistedUltrasonographyUltrasonicsElectroencephalographyAlgorithmsHeart RateSpectrum Analysis, RamanChild Development Disorders, PervasiveLasersHemeMetal NanoparticlesMicroscopySpectrophotometry, UltravioletSilverSpectrophotometryGoldProtein ConformationVibrationMicrospectrophotometryFetal Alcohol Spectrum DisordersSchiff BasesAutistic DisorderMyoglobinCarbon MonoxideSpectrophotometry, InfraredScattering, RadiationSpectroscopy, Fourier Transform InfraredMolecular StructureElectron Spin Resonance SpectroscopyCircular DichroismOxidation-ReductionOptical FibersPhotochemistry