ElectrodesGoldElectrochemistryElectrochemical TechniquesBiosensing TechniquesEnzymes, ImmobilizedConductometryDielectric SpectroscopyElectrodes, ImplantedPotentiometryGlucose OxidaseRuthenium CompoundsAscorbate OxidaseQuartzGraphiteFerrous CompoundsMetal NanoparticlesImidesOxidation-ReductionMicroelectrodesElectric ImpedanceSurface PropertiesElectron TransportIon-Selective ElectrodesMembranes, ArtificialAdsorptionEquipment DesignSulfhydryl CompoundsHydrogen-Ion ConcentrationGold Sodium ThiomalateGold CompoundsCatalysisDNAFluorocarbon PolymersGold AlloysElectric StimulationGold Colloid, RadioactiveCochlear ImplantsCochlear ImplantationCarbonElectricityGold RadioisotopesEquipment Failure AnalysisElectroencephalographyNanotubesElectric Stimulation TherapyOrganogold CompoundsTin CompoundsBioelectric Energy SourcesDeep Brain StimulationSilver CompoundsAction PotentialsSilverElectromyographyPlatinum