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. Author manuscript; available in PMC: 2009 Jun 8.
Published in final edited form as: Biomaterials. 2007 Nov 26;29(8):1054–1064. doi: 10.1016/j.biomaterials.2007.11.003

Figure 6.

Figure 6

Microscopic imaging of hMSCs encapsulated and cultured in silk fibroin hydrogels at 4, 8, and 12% (w/v). Microscopic images were taken at day 1 (A, D, G for 4, 8, and 12%, respectively), 6 (B, E, H for 4, 8, and 12%, respectively), and 14 (C, F, I for 4, 8, and 12%, respectively). For the 4% gel, hMSCs retained round shape morphology and were nonaggregated in the gel. For the 8 and 12% gel, cells largely deformed and aggregated by day 21, especially for the cells in the 12% gel, as indicated by the arrows in H and I. Bar = 100 μm in all images.