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. 2020 Dec 14;8:597661. doi: 10.3389/fbioe.2020.597661

FIGURE 4.

FIGURE 4

(A) Human ASC migration and (B) speed/velocity on 2.9 kPa/mm and 8.2-kPa/mm stiffness gradient fibronectin-coated PA gels over 72 h. (C) Average speed (xy) and x and y velocity over 72 h of hASCs on low (0.5 kPa/mm), middle (1.7 kPa/mm), and high (2.9 kPa/mm) stiffness gradient hydrogels. Adapted with permission from Hadden et al. (2017). *P < 0.05, ***P < 0.001.