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. 2015 Nov 17;5:16240. doi: 10.1038/srep16240

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(A) Fluorescent staining of osteoblast vinculin (green) for different wrinkle gradients prepared by varied plasma oxidation times. All wrinkle direction is horizontal. (B,C) Dependence of focal adhesion area per cell and aligned cell on amplitude, wavelength and aspect ratio, respectively. (D) Dependence of the values of FA/cell * alignment on amplitude, wavelength and aspect ratio. Data reported as mean ± standard deviation (SD) (n = 100 ~ 150 cells).