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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 3.

Figure 3

Characterization of the chemical and mechanical properties of hydrogel spots in the array. a) Schematic representation of array with hydrogel spots formed using thiolene chemistry. Array with hydrogel spots containing varying concentrations of immobilized CRGDS peptide (b, c) and encapsulated microspheres (b, d). Hydrogel spots with stiffness varied by changing concentration of PEG-NB or crosslinker density in the hydrogel precursor solution (e). Sample size: n = 4 (c–d) and n = 3 (e). Statistical significance was determined by two-factor ANOVA followed by Tukey HSD test, whereby * denotes statistical significant with p<0.05 and “NS” denotes no statistical significance.