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. Author manuscript; available in PMC: 2010 Dec 21.
Published in final edited form as: Biofabrication. 2010 Sep 24;2(4):045001. doi: 10.1088/1758-5082/2/4/045001

Figure 1.

Figure 1

Micropatterned PEGDA template for the fabrication of PDMS microstructures. (a) Photolithography of PEGDA on the TMSPMA-coated glass slide. TMSPMA-coated glass substrates were stacked under a photomask with spacers and coverslip, filled with PEGDA and UV crosslinked. After developing with the ethanol–water solution, the PDMS prepolymer was poured on the glass and thermally cured. (b) Scanning electron microscopy image of crosslinked PEGDA microstructures with the 25 μm diameter circle photomask and polyethylene wrap film spacers. (c) PDMS microwell array replicated from the PEGDA micromold of (b). Insets are magnified images (scale bar = 20 μm).