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. Author manuscript; available in PMC: 2015 Apr 15.
Published in final edited form as: Adv Drug Deliv Rev. 2014 Aug 7;0:155–171. doi: 10.1016/j.addr.2014.07.012

Figure 4. Scanning electron micrographs of PCL microfiber scaffolds.

Figure 4

(A) before cell seeding, (B) after 2 days in static ES cell culture, (C&D) after 24 days in static ES cell culture. After 24 days of static culture, ES exhibit significant 3D cell-cell and cell-matrix contacts.