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Electrochemical Sensor for Caffeine in Coffee and Beverages Using a Naphthalene Sulfonic Acid Polymer Film–Based Modified Electrode

Conducting PolymerChemical EngineeringModified ElectrodeEngineeringOrganic ElectrochemistryElectrochemical SensorElectroanalytical SensorBeverages UsingChemical SensorElectrochemistry