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Label-free detection of Cu(II) in fish using a graphene field-effect transistor gated by structure-switching aptamer probes

Label-free DetectionChemical EngineeringEngineeringNanotechnologyNanoelectronicsGrapheneAnalytical ChemistryElectroanalytical SensorChemistryGraphene Field-effect TransistorNanosensorChemical SensorStructure-switching Aptamer Probes