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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Graphene Oxide Hybridized nHAC/PLGA Scaffolds Facilitate the Proliferation of MC3T3-E1 Cells

Fig. 4

AFM images of a nHAC/PLGA, b nHAC/PLGA/GO (0.5 wt%), c nHAC/PLGA/GO (1.0 wt%), and d nHAC/PLGA/GO (1.5 wt%) scaffolds. eh Line profiles derived from the morphology images. i Stiffness distribution of the four different scaffolds measured by QNM-AFM. j The bar chart of Young’s modulus versus the GO amount. k The corresponding contact angles of four kinds of scaffolds measured by the sessile drop method

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