ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,527, issued on May 27, was assigned to Nicoya Lifesciences Inc. (Kitchener, Canada).

"Digital microfluidic systems, cartridges, and methods including integrated refractive index sensing" was invented by Krishna Iyer (Waterloo, Canada) and Ryan Denomme (Kitchener, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A digital microfluidic (DMF) system, DMF cartridge, and method including integrated refractive index (RI) sensing is disclosed. The digital microfluidic DMF system and DMF cartridge may include, for example, a RI sensor (or sensor surface) directly in the droplet operations gap of a DMF cartridge. The digital microfluidic DMF system may ...