Abstract
Coatings with high water repellence represent a promising field for biomedical applications. Superhydrophobicity (SH) can be used for preventing adhesion, controlling cell deposition, and spreading by inhibition of adsorption processes at liquid–solid interfaces. The recyclability of medical aids like fabrics can open the way for lower cost and more environmentally-friendly solutions. In this case, two different coatings form recyclable and low global warming potential materials and green solvents have been prepared and characterized based on their wettability properties. The resulting substrates have been used for the adhesion and spreading of representative skin cell lines, both tumoral and non-tumoral, showing a strong decrease in cell viability with values < 10%. The coated substrates showed a complete recovery on initial SH properties after rinsing with suitable solvents.
Highlights
Superhydrophobic (SH) coatings have arisen in the last decade as an alternative, physico-chemical way to prevent adhesion in many fields including biomedical applications
The wettability properties of such a surface are related to their high contact angle (>150◦ ) and very low hysteresis (
Superhydrophobic modification was performed by organic-inorganic mixed coating with fluoropolymer blend in combination with fumed silica nanoparticles (SHS1) and by polystyrene solution with dispersed polytetrafluoroethylene particles (SHS2)
Summary
Superhydrophobic (SH) coatings have arisen in the last decade as an alternative, physico-chemical way to prevent adhesion in many fields including biomedical applications. The wettability properties of such a surface are related to their high contact angle (>150◦ ) and very low hysteresis (
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