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Cyclic application of EF (0.8 V·µm−1) results. The surface is triggered in two different wettability states, introduced by polyacrylic acid and poly(N-isopropyl acrylamide): (A) surface is hydrophobic (pH = 2, T = 35 °C), (B) surface is hydrophilic (pH = 9; room temperature). Reprinted with permission from ref. [150]. Copyright 2012 Wiley.
