ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,521, issued on March 3, was assigned to Trustees of Tufts College (Medford, Mass.).

"Systems, kits, and methods for forming in situ silk fibroin fibers and/or aerosols" was invented by Jaewon Choi (Cambridge, Mass.), Jugal Kishore Sahoo (Belmont, Mass.), Onur Hasturk (Medford, Mass.) and David L. Kaplan (Concord, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, spray devices, and kits for the in situ formation of silk fibroin fibers and/or aerosols are disclosed. Rapidly mixing a silk fibroin solution and a beta sheet initiation solution forms a mixed solution, which is rapidly expanded to form the silk fibroin fibers and/or aerosols. T...