US Patent Issued to The George Washington University on Aug. 18 for "4D printing smart culture substrate for cell growth" (District Of Columbia Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,736, issued on Aug. 18, was assigned to The George Washington University (Washington).

"4D printing smart culture substrate for cell growth" was invented by Shida Miao (Washington), Haitao Cui (Washington) and Lijie Grace Zhang (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a 4D printed programmable culture substrate with the self-morphing ability to accommodate the change in morphology of stem cells during differentiation. The 4D printed culture substrate includes a shape memory polymer that is configured for transformation from a first topographical shape to a second topographical shape during a predetermined time p...