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A label-free electrochemical biosensor for methyltransferase activity detection and inhibitor screening based on graphene quantum dot and enzyme-catalyzed reaction

Graphene Quantum DotEngineeringBiochemistryBiosensing SystemsBioanalysisAnalytical ChemistryLabel-free Electrochemical BiosensorElectroanalytical SensorNanosensorChemical SensorBiomolecular EngineeringMethyltransferase Activity Detection