ElectronsCalcium CompoundsCalcium SignalingMicroscopy, ElectronMicroscopy, Electron, ScanningElectron TransportCalcium ChannelsCalcium, DietaryEmotionsArousalCalcium CarbonateMicroscopy, Electron, TransmissionElectron Spin Resonance SpectroscopyCalcium PhosphatesCalcium IsotopesFacial ExpressionCalcium ChlorideAffectKineticsOxidation-ReductionCalcium Channels, L-TypeMolecular StructureCalcium OxalateCalcium GluconateCalcium RadioisotopesPhotic StimulationTime FactorsModels, MolecularHydrogen-Ion ConcentrationElectron Transport Complex IVDose-Response Relationship, DrugElectron Probe MicroanalysisStructure-Activity Relationship