Journal
LANGMUIR
Volume 23, Issue 9, Pages 5205-5209Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la063601y
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We report on the fabrication of micropatterned polymer surfaces that allow the reversible inversion of surface topography, charge, and wettability. Micropatterned surfaces were prepared by grafting two oppositely charged polyelectrolytes (poly(acrylic acid) and poly(2-vinylpyridine)) using a combination of photolithography, lift off, and grafting to techniques. The switchable surfaces are of interest in microprinting and for the design of microfluidic devices and programmed protein adsorption.
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