ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,826, issued on July 1, was assigned to THE GEORGE WASHINGTON UNIVERSITY A CONGRESSIONALLY CHARTERED NOT-FOR-PROFIT Corp. (Washington).

"Apparatus and methods for in vitro preclinical human trials" was invented by Igor R. Efimov (Arlington, Va.), Yun Qiao (Arlington, Va.), Chaoyi Kang (Arlington, Va.), Zhenyu Li (McLean, Va.), Quan Dong (Fairfax, Va.) and Baichen Li (Falls Church, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems comprising a microfluidic device are provided for maintaining and analyzing tissue slices. Methods for maintaining tissue slices in a microfluidic device are further provided."

The patent was filed on Jan. 24, 2018,...