ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,772, issued on June 3, was assigned to Siemens Healthcare Diagnostics Inc. (Tarrytown, N.Y.).

"Solid-state magnesium ion selective microelectrode and methods of production and use thereof" was invented by Wei Zhang (Needham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnesium sensing membrane is disclosed for use in a potentiometric ion selective microelectrode that exhibits an increased lower detection limit. Potentiometric ion selective microelectrodes containing said magnesium sensing membranes are also disclosed. Kits containing the microelectrodes are also disclosed, along with methods of production and use of the magnesium sensing ...