ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,205, issued on July 15, was assigned to Mayo Foundation for Medical Education and Research (Rochester, Minn.) and Arizona Board of Regents on behalf of Arizona State University (Scottsdale, Ariz.).

"Systems and methods for the detection and quantification of ammonia and ammonium in fluids" was invented by Marylaura Thomas (Scottsdale, Ariz.), Leslie Thomas (Scottsdale, Ariz.) and Erica Forzani (Scottsdale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system with an analyzer device in fluid communication with a sample of a bodily fluid is configured to chemically or electrochemically convert at least a portion of ammonium (NH4+) contained w...