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A high-sensitivity electrochemical aptasensor of carcinoembryonic antigen based on graphene quantum dots-ionic liquid-nafion nanomatrix and DNAzyme-assisted signal amplification strategy

Graphene Quantum DotEngineeringNanomaterialsNanobiotechnologyGrapheneCarcinoembryonic AntigenElectroanalytical SensorNanosensorBiomolecular EngineeringHigh-sensitivity Electrochemical Aptasensor