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Figure 1

From: Modified parylene-N films as chemical microenvironments for differentiation and spheroid formation of osteoblast cells

Figure 1

Characterization of the surface properties of the parylene N film. (a) Chemical structure of polystyrene, parylene N, and ultraviolet (UV)-treated parylene N. (b) Contact measurements with water on polystyrene, parylene N, UV-treated parylene N, and the cell culture dish (n = 5). (c) Surface analysis of polystyrene, cell culture dish, parylene N, and UV-treated parylene N using atomic force microscopy. (d) Fourier transform infrared spectra of polystyrene, parylene N, UV-treated parylene-N, and the cell culture dish. Experiments were performed in triplicate and repeated three times with similar results. ± SD. *P < 0.05; **P < 0.01.

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