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Keywords:

  • azo compounds;
  • cell adhesion;
  • monolayers;
  • peptides;
  • photochemistry

Abstract

Thumbnail image of graphical abstract

A celling point: A mixed self-assembled monolayer comprising two types of alkanethiols—one containing an azobenzene unit terminated with a peptide, the other containing a hexa(ethylene glycol) group that resists nonspecific cell adhesion—enables cell adhesion to be modulated photochemically. The reversible conversion of the azobenzene moiety between E and Z configurations allows the surface to either support or resist cell adhesion.