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. Author manuscript; available in PMC: 2011 Jun 6.
Published in final edited form as: Int J Pharm. 2008 Mar 13;358(1-2):177–183. doi: 10.1016/j.ijpharm.2008.03.003

Fig. 1.

Fig. 1

Particle size of pH-sensitive micelles with excipients: 50 wt% PEG (2k) (♦), 50 wt% PEG (400) (■), 10 wt% P85 (▲), 10 wt% F127 (×), 33 wt% F127 (○), 50 wt% F127 (□); as a function of time. The 0 nm of particle size (arrows) indicates the precipitation of particle observed visually.