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. Author manuscript; available in PMC: 2017 Dec 15.
Published in final edited form as: Adv Drug Deliv Rev. 2016 Jun 1;107:176–191. doi: 10.1016/j.addr.2016.05.020

Figure 3.

Figure 3

SEM photos of prilocaine-loaded micro-particles with (a) Resomer R202 (PLA, average MW 10,000-18,000), (b) Resomer R203S (PLA, average MW 18,000-28,000), (c) Resomer R207 (PLA, average MW 209,000) polymers. Images of the same batches recuperated after 96 hr. of drug release studies are also reported: (d) Resomer R202, (e) Resomer R203S, (f) Resomer R207 [39].