Skip to main content
. Author manuscript; available in PMC: 2013 Jan 17.
Published in final edited form as: Int J Pharm. 2011 Oct 13;422(1-2):341–348. doi: 10.1016/j.ijpharm.2011.10.020

Fig. 6.

Fig. 6

SEM micrographs of formulation 503H composites after exposure to PBS (pH 7.4): (A) 1 day, at 45°C; (B) 7 days, at 45°C; (C) 1 day, at 50°C; (D) 5 days, at 50°C; (E) 3 days, at 53°C; (F) 4 hours, at 60°C; Symbol: white arrow - “inside-out” degrading PLGA microspheres. Scale bar: 20 µm.