ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,502, issued on June 23, was assigned to NORTH CAROLINA STATE UNIVERSITY (Raleigh, N.C.).

"Methods and apparatus for modifying or killing cells by manipulating the cell membrane charging time" was invented by Michael Benjamin Sano (Cary, N.C.), Christopher Fesmire (Cary, N.C.) and Ross A. Petrella (Richmond, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of treatment includes modifying and/or killing cells by changing the cell membrane charging time to make the cells more susceptible to the influence of electric fields. The method may further include inserting one or more electrodes into tissue, acquiring a temperature of the tissue, del...