ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,501, issued on July 28, was assigned to The University of North Carolina at Charlotte (Charlotte, N.C.) and The Penn State Research Foundation (University Park, Pa.).

"Aptamer nanofibers and kill-switches and uses thereof" was invented by Kirill Afonin (Charlotte, N.C.) and Nikolay Dokholyan (Hummelstown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to nanofibers comprising aptamers, which have increased stability and activity relative to free aptamers. The invention further relates to kill-switch nanofibers which disrupt the aptamer nanofibers. The invention further relates to methods of using the aptamer nanofibers and...