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. 2021 Sep 17;12:100142. doi: 10.1016/j.mtbio.2021.100142

Fig. 3.

Fig. 3

Mechanical properties of the spatial form periosteal bone ECM scaffold before and after treatment. (A) Representative stress–strain curves of the periosteal bone ECM scaffold before and after treatment. (B, C) Representative atomic force microscopy images of the periosteum (B) and cortical bone part (C) before and after treatment. (D, E) Representative nanoindentation curves of the periosteum (D) and cortical bone part (E) before and after treatment. (F, G) Distribution maps of Young’s modulus of the periosteum (F) and cortical bone part (G) before and after treatment. (H) Values of Young’s modulus in the periosteum and cortical bone part before and after treatment. Native: before treatment; Treated: after treatment. Data are presented as mean ± SD (n = 4). (Scale bar = 1 μm; ∗: P < 0.05, ∗∗: P < 0.01, and ∗∗∗: P < 0.001).