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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Ann Biomed Eng. 2021 Feb 9;49(9):2114–2125. doi: 10.1007/s10439-021-02736-9

Figure 2. Morphology of delivery vehicles and 3D printed constructs.

Figure 2.

A) Scanning electron microscopy (SEM) image of BMP-2–loaded PLGA particles. Scale bar = 10 μm. B) SEM image of extrusion 3D printed PPF-based fiber (left) and magnified cross-section view (right) with embedded PLGA particles indicated by white arrows. Scale bar = 500 μm (left) or 25 μm (right).