US Patent Issued to The Regents of the University of California on Feb. 18 for "Polyion complex polypeptide hydrogels and uses thereof" (California Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,546, issued on Feb. 18, was assigned to The Regents of the University of California (Oakland, Calif.).

"Polyion complex polypeptide hydrogels and uses thereof" was invented by Timothy J. Deming (Los Angeles) and Yintao Sun (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are compositions comprising at least two diblock copolypeptides, wherein each copolypeptide has an ionic segment with the opposite charge from the other. The copolypeptides form Beta-sheet structured hydrogel assemblies via polyion complexation when mixed in aqueous media. As a result of their unique physical properties, the hydrogels are useful as cell s...