ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,348, issued on Feb. 3, was assigned to University of Maryland, College Park (College Park, Md.) and Children's National Medical Center (Washington).

"Device and methods of using device for detection of aminoacidopathies" was invented by Omar Bilal Ayyub (Potomac, Md.), Brian Theodore Heligman (North Potomac, Md.), Peter Kofinas (North Bethesda, Md.), Marshall Lynn Summar (Washington), Juan Manuel Cabrera-Luque (Rockville, Md.) and Gary Cunningham (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of amino acids with the use of a re...