ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,798, issued on Oct. 20, was assigned to Clemson University Research Foundation (Clemson, S.C.).

"Development of a simple, low-cost method of measuring ammonia concentration in exhaled breath for routine monitoring of chronic kidney disease" was invented by Riley Rapert (Clemson, S.C.), Robert A. Latour (Clemson, S.C.), George Chumanov (Clemson, S.C.), Tyler George Harvey (Clemson, S.C.) and Guzeliya Korneva (Clemson, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for measuring the ammonia concentration in exhaled breath and a method for measuring the ammonia concentration in exhaled breath. The apparatus comprises a sample collecti...