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Ratiometric electrochemical aptasensor for ultrasensitive detection of Ochratoxin A based on a dual signal amplification strategy: Engineering the binding of methylene blue to DNA

EngineeringBiochemistryBioanalysisMethylene BlueAnalytical ChemistryNucleic Acid AmplificationElectroanalytical SensorOchratoxin ABiosensorsChemical ProbeMedicineAnalytical BiotechnologyChemical SensorBiomolecular EngineeringRatiometric Electrochemical AptasensorDrug Analysis