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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Adv Healthc Mater. 2021 Apr 19;10(11):e2001986. doi: 10.1002/adhm.202001986

Figure 4.

Figure 4.

3D printed tissue engineering scaffold with hyaluronic acid-PLGA encapsulating BMP-2/PEG complex. A. Schematic illustrations and photographs of the preparation of feeding solution and instruments for 3D printing of scaffolds using a multihead deposition system. B. Photographs and SEM images of 3D printed hyaluronic acid-PLGA/PEG/BMP-2 scaffold and BMP-2/PEG complexes within the fiber. C. μCT images of regenerated bones in calvarial bone defect model. (From top to bottom: control, hyaluronic acid-PLGA scaffold, and hyaluronic acid-PLGA/PEG/BMP-2 scaffold respectively). Reproduced with permission.[132] Copyright 2011, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.