ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,484, issued on Dec. 2, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Seedless synthesis of anisotropic gold nanoflowers with cellular control and drug delivery applications" was invented by Eunkeu Oh (Alexandria, Va.), Kimihiro Susumu (Alexandria, Va.), Ajmeeta Sangtani (Columbia, Md.), Katherine Rogers (Silver Spring, Md.), Okhil K. Nag (Brandywine, Md.), Kwahun Lee (Evanston, Ill.), Igor Vurgaftman (Severna Park, Md.), R. Joseph Weiblen (Baltimore), Mijin Kim (Springfield, Va.) and James B. Delehanty (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new seed...