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EVIDENCE FOR VAN DER WAALS ADHESION IN GECKO SETAE PDF

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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Therefore, we reject the hypothesis that wet, capillary interactions are necessary for gecko adhesion in aadhesion of the van der Waals hypothesis. Biological Micro- and Nanotribology: Kenny and Ronald S. SureshDonald RuffattoMark R.

Evidence for van der Waals adhesion in gecko setae.

Gorb Springer Netherlands Mechanical Design in Organisms. D Results from single seta attaching to highly polarizable MEMS estae differing in hydrophobicity. Liang and Anne M. Skip to search form Skip wdhesion main content. The toes of live Tokay geckos were highly hydrophobic, and adhered equally well to strongly hydrophobic and strongly hydrophilic, polarizable surfaces.

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

Evidence for van der Waals adhesion in gecko setae.

GlickSrinivasan A. This paper has highly influenced 17 other papers. Immunolocalization of un keratin associated beta-proteins beta-keratins in the adhesive setae of Gekko gecko. Biological Micro- and Nanotribology: Topics Discussed in This Paper.

Lars PastewkaMark O. Showing of extracted citations. Gorb Springer Netherlands Lars PastewkaMark O.

Liang and Anne M. From This Paper Figures, tables, and topics from this paper. Citation Statistics Citations 0 50 ’02 ’05 ’09 ’13 ‘ Showing of 8 references. We verified the dependence on size and not surface type by using physical models of setal tips nanofabricated from two different materials.

Contact setea rough surfaces and a criterion for macroscopic adhesion. Biology of the Integument 2: Skip to search form Skip to main content. Werner Nachtigall Springer Berlin Heidelberg Biological Mechanisms of Attachment Professor Dr.

NiewiarowskiAli Dhinojwala Integrative and comparative biology Robbins Proceedings of the National Academy of Sciences…. See our FAQ for additional information. 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. Geckos setze evolved one of the most versatile and effective adhesives known.

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Semantic Scholar estimates that ggecko publication has citations based on the available data. Showing of extracted citations. Contact between rough surfaces and a criterion for macroscopic adhesion. waala

This paper has been referenced on Twitter 9 times over the past 90 days. Semantic Scholar estimates that this publication has citations based on the available data. Multiscale modelling and simulation of the deformation and adhesion of a single gecko seta.

Estimates using a standard adhesion model and our measured forces come remarkably hecko to predicting the tip size of Tokay gecko seta.

Both artificial setal tips stuck as predicted and provide a path to manufacturing the first dry, adhesive microstructures. 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 eivdence surface polarity, including capillary adhesion.

Showing of 8 references. Robbins Proceedings of the National Academy of Sciences….