ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,669, issued on July 8, was assigned to BioFluidica Inc. (Lawrence, Kan.).

"Dual-depth thermoplastic microfluidic device and related systems and methods" was invented by Rolf Muller (Del Mar, Calif.) and Mateusz Hupert (Lawrence, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The presently disclosed subject matter provides dual-depth thermoplastic microfluidic devices, related kits, microfluidic systems comprising the dual-depth thermoplastic microfluidic device, methods of isolating nucleic acid analytes from a liquid sample, and methods of isolating extracellular vesicles from a liquid sample."

The patent was filed on Dec. 15, 2023, under Appl...