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. 2016 Jun 28;6:28855. doi: 10.1038/srep28855

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Copyright © 2016, Macmillan Publishers Limited

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(a,b) For each coverslip, five images of sarcomeric α-actinin (white) were captured at multiple locations and assembled into a five-panel montage. Global myotube alignment was calculated as the orientational order parameter of vectors assigned to sarcomeric α-actinin intensities within each montage. Representative isotropic (a) and μmolded (b) montages with low and high global myotube alignment, respectively. Dotted yellow lines were added to illustrate boundaries between individual images. (c) Global myotube alignment for isotropic and μmolded gelatin hydrogels at each time point (mean ± s.e.m, n is indicated below each bar, *indicates statistically significant difference compared to isotropic gelatin constructs at same time point, ANOVA followed by Tukey’s test for multiple comparisons, p < 0.05). Detailed statistical analyses are located in Supplementary Table S12.