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Relevant bibliographies by topics / Adhesive setae

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Academic literature on the topic 'Adhesive setae'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Adhesive setae"

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Chen, Ying, Ming-Chih Shih, Ming-Huang Wu, En-Cheng Yang, and Kai-Jung Chi. "Underwater attachment using hairs: the functioning of spatula and sucker setae from male diving beetles." Journal of The Royal Society Interface 11, no. 97 (2014): 20140273. http://dx.doi.org/10.1098/rsif.2014.0273.

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Males of Dytiscinae beetles use specialized adhesive setae to adhere to female elytra during underwater courtship. This coevolution of male setae and female elytra has attracted much attention since Darwin. However, there has been little examination of their biomechanical functioning despite increasing knowledge on biofibrillar adhesion. Here, we report and compare, for the first time, the mechanisms of underwater attachment using two hair types, the primitive spatula and derived ‘passive’ sucker, found in male diving beetles. Results from interspecific scaling of protarsal palettes and adhesi

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Autumn, Kellar. "Gecko Adhesion: Structure, Function, and Applications." MRS Bulletin 32, no. 6 (2007): 473–78. http://dx.doi.org/10.1557/mrs2007.80.

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AbstractGeckos attach and detach their adhesive toes in milliseconds while running with reckless abandon on nearly any surface. The adhesive on gecko toes differs dramatically from that of conventional adhesives. Conventional pressure-sensitive adhesives (PSAs) are soft viscoelastic polymers that degrade, foul, self-adhere, and attach accidentally to inappropriate surfaces. In contrast, gecko toes bear angled arrays of branched, hair-like fibers (setae) formed from stiff, hydrophobic keratin that act as a bed of angled springs with an effective stiffness similar to that of PSAs. Setae are self

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Autumn, Kellar, and Nick Gravish. "Gecko adhesion: evolutionary nanotechnology." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 366, no. 1870 (2008): 1575–90. http://dx.doi.org/10.1098/rsta.2007.2173.

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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 adhesive differs dramatically from conventional adhesives. Conventional PSAs are soft viscoelastic poly

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Gravish, Nick, Matt Wilkinson, and Kellar Autumn. "Frictional and elastic energy in gecko adhesive detachment." Journal of The Royal Society Interface 5, no. 20 (2007): 339–48. http://dx.doi.org/10.1098/rsif.2007.1077.

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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 since it requires both strong attachment and easy, rapid removal. Conventional pressure-sensitive adhesives are either strong and difficult to remove (e.g. duct tape) or weak and easy to remove (e.g. sticky notes). We discovered that the energy required to detach adhering tokay gecko setae ( W d ) is modulated by the angle ( θ ) of a linear path of detachment. Gecko setae resist detachment when dragged towards the animal during de

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Hill, Ginel C., Daniel R. Soto, Anne M. Peattie, Robert J. Full, and T. W. Kenny. "Orientation angle and the adhesion of single gecko setae." Journal of The Royal Society Interface 8, no. 60 (2011): 926–33. http://dx.doi.org/10.1098/rsif.2010.0720.

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We investigated the effects of orientation angle on the adhesion of single gecko setae using dual-axis microelectromechanical systems force sensors to simultaneously detect normal and shear force components. Adhesion was highly sensitive to the pitch angle between the substrate and the seta's stalk. Maximum lateral adhesive force was observed with the stalk parallel to the substrate, and adhesion decreased smoothly with increasing pitch. The roll orientation angle only needed to be roughly correct with the spatular tuft of the seta oriented grossly towards the substrate for high adhesion. Also

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Singla, Saranshu, Dharamdeep Jain, Chelsea M. Zoltowski, et al. "Direct evidence of acid-base interactions in gecko adhesion." Science Advances 7, no. 21 (2021): eabd9410. http://dx.doi.org/10.1126/sciadv.abd9410.

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While it is generally accepted that van der Waals (vdW) forces govern gecko adhesion, several studies indicate contributions from non-vdW forces and highlight the importance of understanding the adhesive contact interface. Previous work hypothesized that the surface of gecko setae is hydrophobic, with nonpolar lipid tails exposed on the surface. However, direct experimental evidence supporting this hypothesis and its implications on the adhesion mechanism is lacking. Here, we investigate the sapphire-setae contact interface using interface-sensitive spectroscopy and provide direct evidence of

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Rizzo, N. W., K. H. Gardner, D. J. Walls, N. M. Keiper-Hrynko, T. S. Ganzke, and D. L. Hallahan. "Characterization of the structure and composition of gecko adhesive setae." Journal of The Royal Society Interface 3, no. 8 (2005): 441–51. http://dx.doi.org/10.1098/rsif.2005.0097.

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The ability of certain reptiles to adhere to vertical (and hang from horizontal) surfaces has been attributed to the presence of specialized adhesive setae on their feet. Structural and compositional studies of such adhesive setae will contribute significantly towards the design of biomimetic fibrillar adhesive materials. The results of electron microscopy analyses of the structure of such setae are presented, indicating their formation from aggregates of proteinaceous fibrils held together by a matrix and potentially surrounded by a limiting proteinaceous sheath. Microbeam X-ray diffraction a

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Peattie, Anne M. "Attachment forces of single tarantula adhesive setae." Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 153, no. 2 (2009): S123. http://dx.doi.org/10.1016/j.cbpa.2009.04.203.

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Peattie, Anne M., Carmel Majidi, Andrew Corder та Robert J. Full. "Ancestrally high elastic modulus of gecko setal β-keratin". Journal of The Royal Society Interface 4, № 17 (2007): 1071–76. http://dx.doi.org/10.1098/rsif.2007.0226.

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Typical bulk adhesives are characterized by soft, tacky materials with elastic moduli well below 1 MPa. Geckos possess subdigital adhesives composed mostly of β-keratin, a relatively stiff material. Biological adhesives like those of geckos have inspired empirical and modelling research which predicts that even stiff materials can be effective adhesives if they take on a fibrillar form. The molecular structure of β-keratin is highly conserved across birds and reptiles, suggesting that material properties of gecko setae should be similar to that of β-keratin previously measured in birds, but th

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Hosoda, Naoe, and Stanislav N. Gorb. "Underwater locomotion in a terrestrial beetle: combination of surface de-wetting and capillary forces." Proceedings of the Royal Society B: Biological Sciences 279, no. 1745 (2012): 4236–42. http://dx.doi.org/10.1098/rspb.2012.1297.

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For the first time, we report the remarkable ability of the terrestrial leaf beetle Gastrophysa viridula to walk on solid substrates under water. These beetles have adhesive setae on their feet that produce a secretory fluid having a crucial role in adhesion on land. In air, adhesion is produced by capillary forces between the fluid-covered setae and the substrate. In general, capillary forces do not contribute to adhesion under water. However, our observations showed that these beetles may use air bubbles trapped between their adhesive setae to walk on flooded, inclined substrata or even unde

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Dissertations / Theses on the topic "Adhesive setae"

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Garner, Austin Michael. "Examining the Relationships between Form, Function, Environment, and Behavior in Adhesive Pad-bearing Lizards." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1626363948177358.

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Yu, Lan. "Adhesive Force of a Single Gecko Seta." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1523202746417773.

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Xu, Quan. "Dynamic Adhesion and Self-cleaning Mechanisms of Gecko Setae and Spatulae." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc407812/.

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Geckos can freely climb on walls and ceilings against their body weight at speed of over 1ms-1. Switching between attachment and detachment seem simple and easy for geckos, without considering the surface to be dry or wet, smooth or rough, dirty or clean. In addition, gecko can shed dirt particles during use, keeping the adhesive pads clean. Mimicking this biological system can lead to a new class of dry adhesives for various applications. However, gecko’s unique dry self-cleaning mechanism remains unknown, which impedes the development of self-cleaning dry adhesives. In this dissertation we p

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Jain, Dharamdeep. "Humidity Driven Performance of Biological Adhesives." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1510053266807976.

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Fecko, Peter. "Mikrostruktury mimikující povrch tlapky gekona." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400722.

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Adhezní schopnosti gekona byly předmětem mnoha studií a inspirací pro vytvoření mnoha napodobenin. Tato práce navrhuje vlastní verzi umělých gekoních struktur ve tvaru mikroskopických pilířů, které by vykazovaly adhezní vlastnosti srovnatelné s tlapkou gekona. Vyrobeny byli struktury z polymeru Parylen C pomocí fotolitografie a technik na leptání křemíku. Dalším cílem bylo různými metodami pro modifikaci povrchu a charakterizaci vytvořených struktur, které určí adhezní síly těchto povrchů, před a po modifikacích.

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Book chapters on the topic "Adhesive setae"

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Heepe, Lars, Constanze Grohmann, and Stanislav N. Gorb. "Visualization of the Number of Tarsal Adhesive Setae Used During Normal and Ceiling Walk in a Ladybird Beetle: A Case Study." In Biologically-Inspired Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-74144-4_8.

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Tricinci, Omar, Eric V. Eason, Carlo Filippeschi, et al. "Dry Adhesion of Artificial Gecko Setae Fabricated via Direct Laser Lithography." In Biomimetic and Biohybrid Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63537-8_60.

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Conference papers on the topic "Adhesive setae"

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Sauer, Roger A. "A Finite Element Seta Model for Studying Gecko Adhesion." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67193.

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We present a hierarchical rod model which describes the deformation and adhesion of Gecko setae. These fine hairs form the microstructure of the Gecko toes and enable the Gecko to adhere to inclined and overhanging surfaces. The adhesion is modelled by the van der Waals interaction between the molecules of the seta tips and the surface. To bridge the gap between molecular and seta scale, an intermediate model is formulated for the seta tips, the so called spatulae. The hierarchical seta model is cast into a nonlinear finite element framework to study the pull-off behavior of a single seta from

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Liang, Y. A., K. Autumn, S. T. Hsieh, et al. "Adhesion Force Measurements on Single Gecko Setae." In 2000 Solid-State, Actuators, and Microsystems Workshop. Transducer Research Foundation, Inc., 2000. http://dx.doi.org/10.31438/trf.hh2000.9.

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Su, Yilin, Xuyan Hou, Pingping Xue, Kailiang Zhang, Long Li, and Tao Chen. "Adhesion Mechanism of Space Climbing Robot Feet With Microarray Structure for On-Orbit Servicing." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65816.

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For the on-orbit servicing missions of spacecraft, space robot is considered as one of the most promising approaches. Many on-orbit servicing missions are successfully accomplished and most of these missions are designed to service cooperative targets only. Some of the target is non-cooperative spacecraft with unknown motion and kinematics properties. On-orbit servicing is still a challenging research area. The challenge is to ensure the servicing spacecraft safely and stabilize it for subsequent servicing. In order to expand space robot workspace and its task function, this paper presents a n

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Hill, Ginel C., Daniel R. Soto, Stephanie J. Lue, Anne M. Peattie, Robert J. Full, and Thomas W. Kenny. "Investigating the Role of Orientation Angle on Gecko Setae Adhesion using a Dual-Axis Mems Force Sensor." In TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2007. http://dx.doi.org/10.1109/sensor.2007.4300620.

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