ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,732, issued on July 8, was assigned to National Technology & Engineering Solutions of Sandia LLC (Albuquerque, N.M.).

"Monolithic multi-dimensional chromatography" was invented by Joshua J. Whiting (Albuquerque, N.M.) and Matthew W. Moorman (Albuquerque, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A monolithically integrated chromatography device includes a first chromatography column and a second chromatography column formed in a common substrate. The first chromatography column and the second chromatography column are each in fluidic communication with a port formed on the same common substrate. When the port is open, the first chromatograp...