ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,389, issued on March 25, was assigned to CORNELL UNIVERSITY (Ithaca, N.Y.).

"Nanoparticles and distinct exosome subsets for detection and treatment of cancer" was invented by David C. Lyden (Old Chatham, N.Y.) and Haiying Zhang (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to methods of diagnosing, prognosing, and managing treatment of cancer in a subject. These methods involve selecting a subject having cancer and obtaining, from the selected subject, a population of either exomeres having a diameter less than 50 nm, small exosomes having a diameter of 60-80 nm, or large exosomes having a diameter of 90...