Wet adhesion and adhesive locomotion of snails on anti-adhesive non-wetting surfaces
Creating surfaces capable of resisting liquid-mediated adhesion is extremely difficult due to the strong capillary forces that exist between surfaces. Land snails use this to adhere to and traverse across almost any type of solid surface of any orientation (horizontal, vertical or inverted), texture...
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| Veröffentlicht in: | PloS one 2012-05, Vol.7 (5), p.e36983-e36983 |
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| creator | Shirtcliffe, Neil J McHale, Glen Newton, Michael I |
| description | Creating surfaces capable of resisting liquid-mediated adhesion is extremely difficult due to the strong capillary forces that exist between surfaces. Land snails use this to adhere to and traverse across almost any type of solid surface of any orientation (horizontal, vertical or inverted), texture (smooth, rough or granular) or wetting property (hydrophilic or hydrophobic) via a layer of mucus. However, the wetting properties that enable snails to generate strong temporary attachment and the effectiveness of this adhesive locomotion on modern super-slippy superhydrophobic surfaces are unclear. Here we report that snail adhesion overcomes a wide range of these microscale and nanoscale topographically structured non-stick surfaces. For the one surface which we found to be snail resistant, we show that the effect is correlated with the wetting response of the surface to a weak surfactant. Our results elucidate some critical wetting factors for the design of anti-adhesive and bio-adhesion resistant surfaces. |
| doi_str_mv | 10.1371/journal.pone.0036983 |
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Land snails use this to adhere to and traverse across almost any type of solid surface of any orientation (horizontal, vertical or inverted), texture (smooth, rough or granular) or wetting property (hydrophilic or hydrophobic) via a layer of mucus. However, the wetting properties that enable snails to generate strong temporary attachment and the effectiveness of this adhesive locomotion on modern super-slippy superhydrophobic surfaces are unclear. Here we report that snail adhesion overcomes a wide range of these microscale and nanoscale topographically structured non-stick surfaces. For the one surface which we found to be snail resistant, we show that the effect is correlated with the wetting response of the surface to a weak surfactant. Our results elucidate some critical wetting factors for the design of anti-adhesive and bio-adhesion resistant surfaces.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0036983</identifier><identifier>PMID: 22693563</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adhesion ; Adhesive strength ; Adhesives ; Adhesives - metabolism ; Alcohol ; Animals ; Biology ; Biomechanical Phenomena ; Chemistry ; Climbing ; Contact angle ; Design factors ; Horizontal orientation ; Hydrophobic surfaces ; Hydrophobicity ; Littoraria irrorata ; Locomotion ; Materials Science ; Mollusks ; Mucus ; Mucus - metabolism ; Physics ; Protective coatings ; Snails ; Snails - metabolism ; Snails - physiology ; Sodium Dodecyl Sulfate - chemistry ; Surface active agents ; Surfactants ; Vertical orientation ; Wettability ; Wetting</subject><ispartof>PloS one, 2012-05, Vol.7 (5), p.e36983-e36983</ispartof><rights>COPYRIGHT 2012 Public Library of Science</rights><rights>2012 Shirtcliffe et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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Land snails use this to adhere to and traverse across almost any type of solid surface of any orientation (horizontal, vertical or inverted), texture (smooth, rough or granular) or wetting property (hydrophilic or hydrophobic) via a layer of mucus. However, the wetting properties that enable snails to generate strong temporary attachment and the effectiveness of this adhesive locomotion on modern super-slippy superhydrophobic surfaces are unclear. Here we report that snail adhesion overcomes a wide range of these microscale and nanoscale topographically structured non-stick surfaces. For the one surface which we found to be snail resistant, we show that the effect is correlated with the wetting response of the surface to a weak surfactant. Our results elucidate some critical wetting factors for the design of anti-adhesive and bio-adhesion resistant surfaces.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>22693563</pmid><doi>10.1371/journal.pone.0036983</doi><tpages>e36983</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adhesion Adhesive strength Adhesives Adhesives - metabolism Alcohol Animals Biology Biomechanical Phenomena Chemistry Climbing Contact angle Design factors Horizontal orientation Hydrophobic surfaces Hydrophobicity Littoraria irrorata Locomotion Materials Science Mollusks Mucus Mucus - metabolism Physics Protective coatings Snails Snails - metabolism Snails - physiology Sodium Dodecyl Sulfate - chemistry Surface active agents Surfactants Vertical orientation Wettability Wetting |
| title | Wet adhesion and adhesive locomotion of snails on anti-adhesive non-wetting surfaces |
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