ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,839, issued on Oct. 20, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY (Scottsdale, Ariz.).

"Analyte detection using electrochemical impedance spectroscopy-based imaginary impedance measurement" was invented by David Probst (Tempe, Ariz.), Chi Lin (Van Nuys, Calif.), Marcus Smith (Birmingham, Ala.) and Jeffrey LaBelle (Tempe, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for detecting one or more analytes in a sample utilizing Electrochemical Impedance Spectroscopy (EIS) measurement. In one method, analyte detection includes comparing an imaginary impedance measurement to a calibration curve of concentr...