Gecko adhesion: evolutionary nanotechnology

  title={Gecko adhesion: evolutionary nanotechnology},
  author={Kellar Autumn and Nick Gravish},
  journal={Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences},
  pages={1575 - 1590}
  • K. AutumnN. Gravish
  • Published 13 May 2008
  • Biology
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
If geckos had not evolved, it is possible that humans would never have invented adhesive nanostructures. Geckos use millions of adhesive setae on their toes to climb vertical surfaces at speeds of over 1 m s−1. Climbing presents a significant challenge for an adhesive in requiring both strong attachment and easy rapid removal. Conventional pressure-sensitive adhesives (PSAs) are either strong and difficult to remove (e.g. duct tape) or weak and easy to remove (e.g. sticky notes). The gecko… 

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