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A sandwich-type electrochemical immunosensor for carcinoembryonic antigen based on signal amplification strategy of optimized ferrocene functionalized Fe3O4@SiO2 as labels

EngineeringBiosensing SystemsBioelectrochemistryOptimized FerroceneBioanalysisAnalytical ChemistryBiomedical EngineeringElectroanalytical SensorNanosensorSandwich-type Electrochemical ImmunosensorChemical SensorBiomolecular EngineeringElectrochemistrySignal Amplification Strategy