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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Biomaterials. 2013 Feb 27;34(15):3902–3911. doi: 10.1016/j.biomaterials.2013.02.015

Figure 2.

Figure 2

Optical images depicting the surface morphology of double-walled PLLA(PLGA) microspheres for various microsphere samples listed in Table 1. Partial encapsulation was observed for samples A1, A2, B1, B2, and C1 to C3. Fully formed double-walled microspheres were observed in samples A3 and B3. Scale bar = 50 µm.