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Biophys J. 2005 Aug;89(2):L14-7. Epub 2005 Jun 24.

The nature of the gecko lizard adhesive force.

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1
Institute of Bioengineering and Nanotechnology, Singapore.

Abstract

The extraordinary climbing skills of gecko lizards have been under investigation for a long time. Here we report results of direct measurement of single spatula forces in air with varying relative humidities and in water, by the force-distance method using an atomic force microscope. We have found that the presence of water strongly affects the adhesion force and from analysis of our results, we have demonstrated that the dominant force involved is the capillary force.

PMID:
15980177
PMCID:
PMC1366649
DOI:
10.1529/biophysj.105.065268
[Indexed for MEDLINE]
Free PMC Article
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