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. Author manuscript; available in PMC: 2021 May 7.
Published in final edited form as: Lab Chip. 2020 Apr 16;20(9):1586–1600. doi: 10.1039/d0lc00099j

figure 2.

figure 2.

Extracellular matrix characterization of a low-density (LD) and high-density (HD) collagen hydrogel. a) Second Harmonic Generation images of the collagen type I fibers for the low-density (LD) and high-density (HD) matrices in the microdevice, next to the lumen structure. b) average fiber count for LD and HD matrices. c) average fiber width for LD and HD matrices. fiber quantification was performed in one optical plane. bars represent average ± SD of n=3 independent replicates. **p ≤ 0.01