3D Bioplotter Research Papers

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Displaying all papers about Polyacrylamide (2 results)

3D-Printing Biodegradable PU/PAAM/Gel Hydrogel Scaffold with High Flexibility and Self-Adaptibility to Irregular Defects for Nonload-Bearing Bone Regeneration

Bioconjugate Chemistry 2021 Volume 32, Issue 8, Pages 1915-1925
M. He Y. Hou C. Zhu Y. Jiang G. Feng L. Liu Y. Li C. Chen L. Zhang

A three-dimensional (3D) printed biodegradable hydrogel scaffold with a strong self-expanding ability to conform to the contour of irregular bone defects and be closely adjacent to host tissues is reported herein. The scaffold has a triple cross-linked network structure consisting of photo-cross-linked polyacrylamide (PAAM) and polyurethane (PU) as the primary IPN network and chemical cross-linked gelatin (Gel) as the secondary network, which confers the scaffold with good mechanical properties. The addition of PU in the polymerization process of acrylamide (AAM) can improve the ultraviolet (UV) photocuring efficiency of the hydrogel and incorporate abundant hydrogen bonds between the PAAM copolymer chain…

Polyurethane Polyacrylamide Gelatin in-vivo (rat) Bone Regeneration

4D Printing with Mechanically Robust, Thermally Actuating Hydrogels

Macromolecular Rapid Communications 2015 Volume 36, Issue 12, Pages 1211–1217
S. E. Bakarich R. Gorkin III M. in het Panhuis G. M. Spinks

A smart valve is created by 4D printing of hydrogels that are both mechanically robust and thermally actuating. The printed hydrogels are made up of an interpenetrating network of alginate and poly(N-isopropylacrylamide). 4D structures are created by printing the “dynamic” hydrogel ink alongside other static materials.

4D Printing Alginate Polyacrylamide