ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,167, issued on June 16, was assigned to University of Virginia Patent Foundation (Charlottesville, Va.).

"Perfusable hydrogel microchannel shell and methods thereof" was invented by Nathan Swami (Charlottesville, Va.), Walter Varhue (Glen Allen, Va.), George Christ (Crozet, Va.), Shayn Peirce-Cottler (Charlottesville, Va.) and Aditya Rane (Charlottesville, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic device can include a superstructure defining a microfluidic channel therein and a first hydrogel bonded to the microfluidic channel to define a perfusable channel therein, the first hydrogel including cells embedded therein or there...