ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,599, issued on Sept. 16, was assigned to McMaster University (Hamilton, Canada).

"Differential photoelectrochemical biosensor and methods of use thereof" was invented by Leyla Soleymani (Oakville, Canada), Sudip Saha (Hamilton, Canada) and Amanda Victorious (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to a biosensor, and methods of use thereof, for detecting a target in a sample comprising a photoelectrode comprising a conductive substrate and a photoactive material; a population of capture probes functionalized on the photoelectrode wherein the capture probes are capable of binding to the target and a re...