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(A) The three-phase contact line for spherical particles. (B) The quadrupolar interfacial deformation around a cylinder leads to (C) cylinder orientation that depends on the interface curvature. Adapted with permission from Lewandowski et al., Langmuir 2008, 24, 9302–9307. Copyright 2008 American Chemical Society. (D) Microfabricated posts define the interface curvature. (E) Cylinder particle assembly at the corners of a micropost with a square cross-section.
