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Target-triggered “signal-off” electrochemical aptasensor assisted by Au nanoparticle–modified sensing platform for high-sensitivity determination of circulating tumor cells

Biomedical SensorsEngineeringBiomedical DiagnosticsNanobiotechnologyHigh-sensitivity DeterminationTumor CellsBiomedical AnalysisBiomedical EngineeringElectroanalytical SensorBiosensorsNanosensorBiophysicsBiomedical Applications