ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,121, issued on Oct. 14, was assigned to The Chinese University of Hong Kong (Hong Kong).

"Apparatus and methods for monitoring concentrations of analytes in body fluid" was invented by Li Zhang (Hong Kong), Wai Yan Philip Chiu (Hong Kong), Kai Fung Chan (Hong Kong), Xianfeng Xia (Hong Kong), Xingzhou Du (Hong Kong) and Chong Zhang (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "The subject invention pertains to a novel system capable of long-term monitoring the concentration of a typical analyte in body fluid. The invention includes an untethered battery-free concentration monitor and an external data recorder to continuously measure the c...