ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,295, issued on Oct. 7, was assigned to THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA (Philadelphia).

"Small-scale robots for biofilm eradication" was invented by Hyun Koo (Philadelphia), Kathleen Stebe (Penn Valley, Pa.), Vijay Kumar (Wilmington, Del.), Elizabeth Hunter (Philadelphia), Edward Steager (Media, Pa.) and Evan Brink (Philadelphia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for eradicating biofilms by killing bacteria within a biofilm, degrading the matrix and removing biofilm debris are disclosed herein. The disclosed subject matter provides techniques for administering a suspension of H2O2 and iron oxide nanoparti...