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Label-free electrochemical immunosensor for the carcinoembryonic antigen using a glassy carbon electrode modified with electrodeposited Prussian Blue, a graphene and carbon nanotube assembly and an antibody immobilized on gold nanoparticles

Carbon Nanotube AssemblyEngineeringBiosensing SystemsBiomedical DiagnosticsNanomaterialsBiomedical EngineeringElectroanalytical SensorNanosensorLabel-free Electrochemical ImmunosensorGold Nanoparticles