ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,956, issued on Feb. 10, was assigned to Albert Einstein College of Medicine (Bronx, N.Y.) and Washington University (St. Louis).

"Reversibly switchable photoacoustic imaging systems and methods" was invented by Vladislav V. Verkhusha (Bronx, N.Y.), Andrii A. Kaberniuk (Bronx, N.Y.), Lihong Wang (St. Louis), Junjie Yao (St. Louis) and Lei Li (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Reversibly switchable photoacoustic tomography (RS-PAT), a photoacoustic technique with enhanced sensitivity and resolution, is disclosed. RS-PAT utilizes a subtractive process for the formation of a photoacoustic image of a region containing a plurality o...