ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,184, issued on Sept. 8, was assigned to University of Washington (Seattle).

"Tissue-mimicking hydrogel material" was invented by Adam D. Maxwell (Seattle) and Yashwanth Nanda Kumar (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phantom for fibrous tissue, the phantom formed from a precursor solution including about 30-90 wt % of water, acrylamide, and alginate, where the acrylamide and alginate, in combination, are about 10 to 70 wt % of the precursor solution, and where a ratio of acrylamide to alginate is in the range of about 60:40 to about 99:1 w/w."

The patent was filed on April 10, 2023, under Application No. 18/297,799.

*For furt...