Biomechanism of adhesion in gecko setae
The study of the adhesion of millions of setae on the toes of geckos has been advanced in recent years with the emergence of new technology and measurement methods. The theory of the mechanism of adhesion by van der Waals forces is now accepted and broadly understood. However, this paper presents li...
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| Veröffentlicht in: | Science China. Life sciences 2012-02, Vol.55 (2), p.181-187 |
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| creator | Guo, Ce Sun, JiuRong Ge, YingBin Wang, WenBo Wang, DaPeng Dai, ZhenDong |
| description | The study of the adhesion of millions of setae on the toes of geckos has been advanced in recent years with the emergence of new technology and measurement methods. The theory of the mechanism of adhesion by van der Waals forces is now accepted and broadly understood. However, this paper presents limitations of this theory and gives a new hypothesis of the biomechanism of gecko adhesion. The findings are obtained through measurements of the magnitude of the adhesion of setae under three different conditions, to show the close relationship between adhesion and status of the setae. They are reinforced by demonstrating two setal structures, follicle cells and hair, the former making the setae capable of producing bioelectrical charges, which play an important role in attachment and detachment processes. It is shown that the abundant muscular tissues at the base of the setae cells, which are controlled by peripheral nerves, are instrumental in producing the foot movement involved in attachment and detachment. Our study will further uncover the adhesion mechanism of geckos, and provide new ideas for designing and fabricating synthetic setae. |
| doi_str_mv | 10.1007/s11427-012-4286-y |
| format | Article |
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The theory of the mechanism of adhesion by van der Waals forces is now accepted and broadly understood. However, this paper presents limitations of this theory and gives a new hypothesis of the biomechanism of gecko adhesion. The findings are obtained through measurements of the magnitude of the adhesion of setae under three different conditions, to show the close relationship between adhesion and status of the setae. They are reinforced by demonstrating two setal structures, follicle cells and hair, the former making the setae capable of producing bioelectrical charges, which play an important role in attachment and detachment processes. It is shown that the abundant muscular tissues at the base of the setae cells, which are controlled by peripheral nerves, are instrumental in producing the foot movement involved in attachment and detachment. Our study will further uncover the adhesion mechanism of geckos, and provide new ideas for designing and fabricating synthetic setae.</description><identifier>ISSN: 1674-7305</identifier><identifier>EISSN: 1869-1889</identifier><identifier>DOI: 10.1007/s11427-012-4286-y</identifier><identifier>PMID: 22415690</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Actins - metabolism ; Adhesiveness ; Animals ; Biomechanical Phenomena ; Biomedical and Life Sciences ; Blotting, Western ; Foot - physiology ; Forelimb - physiology ; Hindlimb - physiology ; Life Sciences ; Lizards - physiology ; Microscopy, Electron, Scanning ; Models, Biological ; Movement - physiology ; Research Paper ; Sensilla - cytology ; Sensilla - metabolism ; Sensilla - ultrastructure ; 刚毛 ; 壁虎 ; 毛囊细胞 ; 测量方法 ; 生物力学 ; 粘附 ; 范德华力 ; 调查结果</subject><ispartof>Science China. Life sciences, 2012-02, Vol.55 (2), p.181-187</ispartof><rights>The Author(s) 2012. This article is published under license to BioMed Central Ltd. 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Life sciences</title><addtitle>Sci. China Life Sci</addtitle><addtitle>Sci China Life Sci</addtitle><description>The study of the adhesion of millions of setae on the toes of geckos has been advanced in recent years with the emergence of new technology and measurement methods. The theory of the mechanism of adhesion by van der Waals forces is now accepted and broadly understood. However, this paper presents limitations of this theory and gives a new hypothesis of the biomechanism of gecko adhesion. The findings are obtained through measurements of the magnitude of the adhesion of setae under three different conditions, to show the close relationship between adhesion and status of the setae. They are reinforced by demonstrating two setal structures, follicle cells and hair, the former making the setae capable of producing bioelectrical charges, which play an important role in attachment and detachment processes. It is shown that the abundant muscular tissues at the base of the setae cells, which are controlled by peripheral nerves, are instrumental in producing the foot movement involved in attachment and detachment. Our study will further uncover the adhesion mechanism of geckos, and provide new ideas for designing and fabricating synthetic setae.</description><subject>Actins - metabolism</subject><subject>Adhesiveness</subject><subject>Animals</subject><subject>Biomechanical Phenomena</subject><subject>Biomedical and Life Sciences</subject><subject>Blotting, Western</subject><subject>Foot - physiology</subject><subject>Forelimb - physiology</subject><subject>Hindlimb - physiology</subject><subject>Life Sciences</subject><subject>Lizards - physiology</subject><subject>Microscopy, Electron, Scanning</subject><subject>Models, Biological</subject><subject>Movement - physiology</subject><subject>Research Paper</subject><subject>Sensilla - cytology</subject><subject>Sensilla - metabolism</subject><subject>Sensilla - ultrastructure</subject><subject>刚毛</subject><subject>壁虎</subject><subject>毛囊细胞</subject><subject>测量方法</subject><subject>生物力学</subject><subject>粘附</subject><subject>范德华力</subject><subject>调查结果</subject><issn>1674-7305</issn><issn>1869-1889</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kD1PwzAQhi0Eoqj0B7CgwNLJ4LPjrxEqvqRKLDBbduq0KU3cxs3Qf4-rlCIxcMud5Od97_widAXkDgiR9xEgpxIToDinSuDdCboAJTQGpfRpmoXMsWSED9AoxiVJxRihUp6jAaU5cKHJBRo_VqH2xcI2VayzUGZ2tvCxCk1WNdncF18hi35r_SU6K-0q-tGhD9Hn89PH5BVP31_eJg9TXDAttrgQinNlJeNaSOVY6VLpnEnpKLdUC0-BeFtqKGaEcsqYYJ47YZUCV5aODdG49123YdP5uDV1FQu_WtnGhy4aTRWTXFJI5O0fchm6tknHJUgqDjR9eIigh4o2xNj60qzbqrbtzgAx-xhNH6NJMZp9jGaXNNcH487VfnZU_ISWANoDMT01c9_-bv7P9eZwySI0803SHY1zIJprJtk3swaF7Q</recordid><startdate>20120201</startdate><enddate>20120201</enddate><creator>Guo, Ce</creator><creator>Sun, JiuRong</creator><creator>Ge, YingBin</creator><creator>Wang, WenBo</creator><creator>Wang, DaPeng</creator><creator>Dai, ZhenDong</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>C6C</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QP</scope><scope>7TK</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20120201</creationdate><title>Biomechanism of adhesion in gecko setae</title><author>Guo, Ce ; 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Life sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Ce</au><au>Sun, JiuRong</au><au>Ge, YingBin</au><au>Wang, WenBo</au><au>Wang, DaPeng</au><au>Dai, ZhenDong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biomechanism of adhesion in gecko setae</atitle><jtitle>Science China. Life sciences</jtitle><stitle>Sci. China Life Sci</stitle><addtitle>Sci China Life Sci</addtitle><date>2012-02-01</date><risdate>2012</risdate><volume>55</volume><issue>2</issue><spage>181</spage><epage>187</epage><pages>181-187</pages><issn>1674-7305</issn><eissn>1869-1889</eissn><abstract>The study of the adhesion of millions of setae on the toes of geckos has been advanced in recent years with the emergence of new technology and measurement methods. The theory of the mechanism of adhesion by van der Waals forces is now accepted and broadly understood. However, this paper presents limitations of this theory and gives a new hypothesis of the biomechanism of gecko adhesion. The findings are obtained through measurements of the magnitude of the adhesion of setae under three different conditions, to show the close relationship between adhesion and status of the setae. They are reinforced by demonstrating two setal structures, follicle cells and hair, the former making the setae capable of producing bioelectrical charges, which play an important role in attachment and detachment processes. It is shown that the abundant muscular tissues at the base of the setae cells, which are controlled by peripheral nerves, are instrumental in producing the foot movement involved in attachment and detachment. Our study will further uncover the adhesion mechanism of geckos, and provide new ideas for designing and fabricating synthetic setae.</abstract><cop>Beijing</cop><pub>Science China Press</pub><pmid>22415690</pmid><doi>10.1007/s11427-012-4286-y</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Actins - metabolism Adhesiveness Animals Biomechanical Phenomena Biomedical and Life Sciences Blotting, Western Foot - physiology Forelimb - physiology Hindlimb - physiology Life Sciences Lizards - physiology Microscopy, Electron, Scanning Models, Biological Movement - physiology Research Paper Sensilla - cytology Sensilla - metabolism Sensilla - ultrastructure 刚毛 壁虎 毛囊细胞 测量方法 生物力学 粘附 范德华力 调查结果 |
| title | Biomechanism of adhesion in gecko setae |
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