Coated electrode, electrochemical sensor and method for detection of hydrogen peroxide

Abstract

An electrochemical method for detecting hydrogen peroxide includes providing an electrochemical sensor comprising: a container holding an electrolyte; a coated electrode positioned in the container; and a counter electrode spaced apart from the coated electrode in the container, where the coated electrode includes a conductive substrate and a coating comprising a topological insulator on the conductive substrate. A voltage is applied to the coated electrode and the counter electrode, and a biological specimen is added to the electrolyte to form an analyte solution. Current density is measured. An increase in the current density upon forming the analyte solution indicates presence of hydrogen peroxide in the biological specimen.

Dependencies are inferred from the claim text.