ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,364, issued on Dec. 2, was assigned to UNIVERSITAT ZURICH (Zurich) and ETH ZURICH (Zuri, Switzerland).

"Electrochemically engineered surface of hydrogels, particularly peg hydrogels, for enhanced cellular penetration" was invented by Vincent Milleret (Zurich), Benjamin R. Simona (Zurich), Janos Voros (Zurich) and Martin Ehrbar (Wil/SG, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a polymer structure (1) formed by at least a polymer, wherein said structure (1) comprises a volume (2) and a surface (3), wherein said polymer comprises a plurality of polymer chains connected by linkings, characterized by a linking de...