ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,513, issued on June 30, was assigned to Abbott Laboratories (Abbott Park, Ill.).

"Magnetic point-of-care systems and assays for determining GFAP in biological samples" was invented by Antti Virtanen (Ottawa), Cary James Miller (Ottawa), Tony Lee (Abbott Park, Ill.), Peter Karabatsos (Abbott Park, Ill.), Craig Jeffrey (Abbott Park, Ill.), Andrew Schapals (Abbott Park, Ill.) and Alison Taylor (Abbott Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are systems and assays that employ magnetically susceptible beads and point-of-care devices comprising magnetic immunosensors to determine the amount of glial fibrillary acidic pro...