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A novel nitrite biosensor based on the direct electrochemistry of horseradish peroxidase immobilized on porous Co3O4 nanosheets and reduced graphene oxide composite modified electrode

Oxygen Reduction ReactionChemical EngineeringHorseradish PeroxidaseEngineeringReduced GrapheneBioelectrochemistryNovel Nitrite BiosensorElectroanalytical SensorChemistryElectrode Reaction MechanismElectrochemistry