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. Author manuscript; available in PMC: 2017 Feb 9.
Published in final edited form as: J Mater Sci Mater Med. 2016 Jun 7;27(7):121. doi: 10.1007/s10856-016-5734-1

Figure 2.

Figure 2

Scanning electron micrographs (left column) and energy dispersive spectral maps of cryo-fractured microspheres for atomic calcium (Ca), nitrogen (N), and phosphorous (P). BLANK (PLGA-only), BMP (PLGA with BMP-2 encapsulated), and TH11 (PLGA with 30 wt% TCP/HAp 1:1). Note the uniform distribution of nitrogen in BMP microspheres and of calcium and phosphorus in the TH11 microspheres. Scale bars: 25 µm.