ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,067, issued on Aug. 26, was assigned to Cornell University (Ithaca, N.Y.).

"Sulfur- or heavy atom-containing nanoparticles, methods of making same, and uses thereof" was invented by Ferdinand F.E. Kohle (Tubingen, Germany), Joshua A. Hinckley (Ithaca, N.Y.), Nikhil Dhawan (Poughkeepsie, N.Y.) and Ulrich B. Wiesner (Ithaca, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are sulfur- or heavy atom-containing silica or aluminosilica nanoparticles. A nanoparticle can have at least one dye molecule covalently bonded to the silica or aluminosilica matrix of the silica or aluminosilica nanoparticle, respectively. The nanoparticle may have a si...