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A polyurethane-gelatin methacryloyl (PU-GelMA) hybrid ink was developed as a photo-crosslinkable elastic hydrogel. With the additional acrylic monomer, the ink can be tuned to accommodate elasticity and printability. Attributed to… Click to show full abstract
A polyurethane-gelatin methacryloyl (PU-GelMA) hybrid ink was developed as a photo-crosslinkable elastic hydrogel. With the additional acrylic monomer, the ink can be tuned to accommodate elasticity and printability. Attributed to the shear-thinning properties of GelMA, PU-GelMA was preferable for extrusion printing. 3D-constructs were printed by direct extrusion or by using a sacrificial scaffold to resemble the vascular networks. The proliferation of endothelial cells on the PU-GelMA hydrogel indicated decent biocompatibility and potential utilization in artificial vessels.
Journal Title: Chemical communications
Year Published: 2022
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