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. 2021 Oct 18;15(11):17480–17498. doi: 10.1021/acsnano.1c03905

Figure 5.

Figure 5

(A–C) Tensile stress–strain curves, UTS, and Young’s modulus of pure PDLA, the biomimetic Sr/Cu-doped 1D HA/PDLA composite with 25 wt % Sr/Cu-doped 1D HA, and the Nano HA/PDLA composite with 25 wt % Nano HA, respectively. (D–F) SEM micrographs of the fracture surface after the tensile test of pure PDLA, the biomimetic Sr/Cu-doped 1D HA/PDLA composite with 25 wt % Sr/Cu-doped 1D HA, and the Nano HA/PDLA composite with 25 wt % Nano HA, respectively. (G–I) Compressive stress–strain curves, compressive strength, and compressive modulus of pure PDLA, the biomimetic Sr/Cu-doped 1D HA/PDLA composite with 25 wt % Sr/Cu-doped 1D HA, and the Nano HA/PDLA composite with 25 wt % Nano HA, respectively. (*) for p < 0.05, (**) for p < 0.01, (***) for p < 0.001, and (****) for p < 0.0001.