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We provide the first direct experimental evidence for dry adhesion of gecko setae by van der Waals forces, and reject the use of mechanisms relying on high. Fig. 1. Force of gecko setae on highly polarizable surfaces versus for surface hydrophobicity. (A) Wet adhesion prediction. (B) van der Waals prediction. Functionally, the properties of gecko setae are as extraordinary as their structure: .. the first direct evidence that intermolecular forces are responsible for hypothesis that van der Waals forces are sufficient for gecko adhesion by reanalyzing.

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Evidence for van der Waals adhesion in gecko setae.

This paper has citations. Force of gecko setae on highly polarizable surfaces versus for surface hydrophobicity. Both artificial setal tips stuck as predicted and provide a path xdhesion manufacturing the first dry, adhesive microstructures. A Wet adhesion prediction. GlickSrinivasan A. From This Paper Figures, tables, and topics from this paper.

Evidence for van der Waals adhesion in gecko setae. – Semantic Scholar

See our FAQ for additional information. Showing of 8 references. Kenny and Ronald S. This paper has highly influenced 17 other papers. Therefore, we reject the hypothesis that wet, capillary interactions are necessary for gecko adhesion in favor of the van der Waals hypothesis. Biological Mechanisms of Attachment Professor Dr. Geckos have evolved one of the most versatile and effective adhesives known.

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SureshDonald RuffattoMark R.

Estimates using a standard adhesion model and our measured forces come remarkably close to predicting the tip size of Tokay gecko seta. Evidence for van der Waals adhesion in gecko setae. Evidence for van der Waals adhesion in gecko setae.

SureshDonald RuffattoMark R. Gorb Springer Netherlands Topics Discussed in This Paper. This paper has highly influenced 17 other papers.

Waala to hydrophilic and hydrophobic polarizable surfaces was similar. Adhesion of a single isolated gecko seta was equally effective on the hydrophobic and hydrophilic surfaces of a microelectro-mechanical systems force sensor.

We provide the first direct experimental srtae for dry adhesion of gecko setae by van der Waals forces, and reject the use of mechanisms relying on high surface polarity, including capillary adesion. We provide the first direct experimental evidence for dry adhesion of gecko setae by van der Waals forces, and reject the use of mechanisms relying on high surface polarity, including capillary adhesion.

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Effective Elastic Modulus of Structured Adhesives: Lars PastewkaMark O. Lars PastewkaMark O. The toes of live Tokay geckos were highly hydrophobic, and adhered equally well to strongly hydrophobic and strongly hydrophilic, polarizable surfaces.

References Publications referenced by this paper. Topics Discussed in This Paper.

Evidence for van der Waals adhesion in gecko setae.

Multiscale modelling and simulation of the deformation and adhesion of a single gecko seta. Mechanical Design in Organisms. C Results from toe on highly polarizable semiconductor wafer surfaces differing in hydrophobicity.

This paper has been referenced on Twitter 9 times over the past 90 days. NiewiarowskiAli Dhinojwala Integrative and comparative biology Biological Mechanisms of Attachment Professor Dr.

NiewiarowskiAli Dhinojwala Integrative and comparative biology The mechanism of dry adhesion in the millions of setae on the toes of geckos has been the focus of scientific study for over a century.