ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,741, issued on April 8, was assigned to Tymora Analytical Operations LLC (West Lafayette, Ind.).

"Methods for affinity-based non-antibody capture and purification of extracellular vesicles" was invented by Weiguo A. Tao (West Lafayette, Ind.) and Anton Ilyuk (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed to capture and purify extracellular vesicles from biofluids via lipid affinity-based capture. The EVTRAP (Extracellular Vesicles Total Recovery And Purification) method enables capture of EVs onto modified beads. The EVTRAP method results in fast and reproducible capture and isolation of EVs with greater t...