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Surface-modifying additive (SMA) amphiphile structures: (a) “XL diblock amphiphile”, (b) “diblock amphiphile”, and (c) “triblock amphiphile”. (d) Upon aqueous exposure, silicones modified with these amphiphilic SMAs can undergo rapid, water-driven surface restructuring to present PEO chains to the surface and form a hydrophilic, protein resistant surface. The image shown represents restructuring of the “XL diblock” and “diblock” SMAs.
