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Teflon (polytetrafluoroethylene) surface has been modified with a single step oxygen-fed plasma process resulting in the formation of peculiar “sphere-on-cone” micro-scale relieves. Though presenting some irregularity and random distribution, surfaces with a steep variation of topography can be obtained by properly tuning plasma process parameters. We show that these surfaces exhibit similar superhydrophobic...
We describe the tailoring of polymer surfaces with CFx composition and roughness/density of different micro‐/nanometric relieves (ribbons, petals, domes, dots) tuned independently in low pressure plasma deposition and etching processes. Similarity of outer chemical composition grants the comparison of cell culture results to analyze the impact of topographical features on cellular behavior. Such surfaces...
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