How do electrochemical biosensors work?
Date:2023-03-10
Electrochemical biosensors work by combining a biological recognition element (such as a receptor or antibody) with an electron-catalyzing electrode in order to detect the concentration of a specific chemical. The biological recognition element links the chemical to be analyzed with the electrode. When the analyte of interest interacts with the recognition element, electron flux is triggered near the electrode, causing a current change to be detected. This current change, which is in proportion to the concentration of the analyte, is then used to calculate the concentration of the chemical being analyzed by the sensor.
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