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A novel label-free electrochemical aptasensor based on graphene–polyaniline composite film for dopamine determination

Chemical EngineeringGraphene–polyaniline Composite FilmEngineeringDopamine DeterminationBiosensing SystemsOrganic ElectrochemistryGrapheneAnalytical ChemistryElectroanalytical SensorChemistryNanosensorChemical SensorElectrochemistry