BioMed Research International / 2012 / Article / Fig 4

Research Article

Thin-Layer Hydroxyapatite Deposition on a Nanofiber Surface Stimulates Mesenchymal Stem Cell Proliferation and Their Differentiation into Osteoblasts

Figure 4

The moduli of elasticity, the ultimate strain, and ultimate stress of the group of pure PCL/PVA composite (type I) and the group of the PCL/PVA composite covered by HA layer (type II). There is a significant difference in the moduli of elasticity between these groups (determined by 𝑑 -test; 𝑃 = 0 . 0 4 ) (a) and also in the ultimate strain ( 𝑃 < 0 . 0 0 1 )  (b), but not in the ultimate stress ( 𝑃 = 0 . 2 6 ) (c). Mean is the mean value, SE is the standard error.

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