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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: J Biomed Mater Res A. 2012 Dec 18;101(4):1184–1194. doi: 10.1002/jbm.a.34412

Figure 1.

Figure 1

Schematic representation of the technique used to mold PEGDA hydrogels with topographic features: A) Degassed PDMS mold with topographic features. B) A drop of precursor solution is placed on top of the PDMS mold. C) The precursor solution is covered with a glass coverslip previously treated with TPM. D) The hydrogel is UV-polymerized. F) The PDMS mold is removed. G) The hydrogel is soaked until it reaches equilibrium swelling.