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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 1.

Figure 1

Hydrogel array formation procedure and outputs. a–b) Hydrogels arrays were formed on gold-coated glass slides patterned with SAMs with differential wettability. c–e) Hydrogel precursor solutions deposited onto the hydrophilic SAM regions of the patterned slide were crosslinked via UV-initiated photopolymerization to form hydrogel spots. F) The resulting array is composed of hydrogel spots immobilized on a glass slide. g–h) The array formation procedure allows for the formation of hydrogel spots of various size, shape, and height.