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Fig. 2 | Biomaterials Research

Fig. 2

From: Plasma polymerized bio-interface directs fibronectin adsorption and functionalization to enhance “epithelial barrier structure” formation via FN-ITG β1-FAK-mTOR signaling cascade

Fig. 2

Physicochemical characterization of the allylamine (ppAA), acrylic acid (ppAC), and methyl-oxazoline (ppME) plasma polymerization modified surfaces. A Survey spectra from the XPS analysis. B C1s spectra; C Surface charge; D Static water contact angle; E Ellipsometry data showing the thickness of plasma deposition layers of the three modified chemical surfaces; F AFM images showing the surface topography and Root Mean Square Roughness (RMS) of the modified surfaces. *: p < 0.05, **: p < 0.01, ***: p < 0.001, , ****: p < 0.0001

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