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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 2.

Figure 2

Scanning electron microscope (SEM) images of a (A) single- and (B) double-layer ZPR PEG scaffold. Rectangular Blocks of PEG were patterned at the ends of the scaffold to provide mechanical stability in handling and strain testing.