Importance

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Abstract

The present disclosure provides an electrochemical measuring method. The method includes: providing a biochemical test chip including: an insulating substrate; an electrode unit, located on the insulating substrate and including a working electrode and a counter electrode; a first insulating septum, located on the electrode unit and having an opening at least partially exposing the electrode unit; a reactive layer, located at the opening and electrically connected to the electrode unit; and a second insulating septum, located on the first insulating septum, and reacting the reactive layer with a target analyte as a primary reaction. During the primary reaction, the counter electrode undergoes a self-redox reaction without interfering with the primary reaction, the self-redox reaction allows the counter electrode capable of receiving or releasing additional electrons, and a current density of the counter electrode is greater than a current density of the working electrode.

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First Claim