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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Acta Biomater. 2015 Sep 16;34:93–103. doi: 10.1016/j.actbio.2015.09.019

Figure 9.

Figure 9

Demonstration of hydrogel array setup for soluble media screening. a) Hydrogel array assembly with commercially-available micro-array add-on for ability to introduce different soluble factors to b) each individual spot or c) group of spots in the array. b–c) Hydrogels stained with Trypan blue and media contains phenol red for enhanced contrast and visibility.