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. Author manuscript; available in PMC: 2013 Sep 5.
Published in final edited form as: Soft Matter. 2012 Mar 19;8(18):4946–4951. doi: 10.1039/C2SM07354D

Figure 3.

Figure 3

Optical images showing the deformation of a (A) single- and (B) double-layer ZPR PEG scaffold in response to an axial strain. The images show the scaffolds in their undeformed (left) and deformed (right) strain states. (C) Images of human mesenchymal stem cells (hMSCs) seeded on a single-layer ZPR PEG scaffold after one week of culture. hMSCs adhere and proliferate within and across the ZPR geometry. Scale bars represent (left) 200 μm and (right) 50 μm. The green stain is F-actin and blue stain labels the cell nuclei and scaffold.