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a) The contact angle of various biomolecules on different surfaces. b) The contact region of liquid on a surface. c) The ratio of the real contact area (i.e., liquid‐solid area) to the (liquid volume)2/3 versus intrinsic contact angle (i.e., Young's angle). Abbreviations: DRT, doubly reentrant topology; f s, the liquid–solid fraction; PS, plain surface.
