Selectivity and Recognition in Adhesion

We have studied how one can endow a surface with selectivity of adhesion. One way is to use shape complementarity, either wavy surfaces with matched profiles or pillar-channel surfaces. Another way is to use charge complementarity.

Adhesion Selectivity by Electrostatic Complementarity: Part I, One-dimensional stripes of charge, Ying Bai, Congrui Jin, Anand Jagota, C-Y. Hui.(Journal of Applied Physics, 110 (5) 054902 (2011))