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The hind wing of the desert locust (Schistocerca gregaria Forskal) II. Mechanical properties and functioning of the membrane
Smith, CW; Herbert, R; Wootton, RJ; Evans, KE
通讯作者Wootton, RJ
来源期刊JOURNAL OF EXPERIMENTAL BIOLOGY
ISSN0022-0949
EISSN1477-9145
出版年2000
卷号203期号:19页码:2933-2943
英文摘要

As part of an investigation of the functional mechanics of the hind wing of the desert locust Schistocerca gregaria, the Young’s modulus of the membrane was measured using a newly developed universal materials test machine capable of testing very small specimens of cuticle, down to 1 mm gauge length. Strain was measured optically, Specimens were cut from various locations around the wing and tested under controlled temperature and humidity, The modulus of the membrane was typically between 1 and 5 GPa, but both this and the membrane thickness varied around the wing, with the remigium and the anal fan showing markedly different properties, The membrane was tested for chitin using two methods: a gas pyrolysis/mass spectrometry assay, and a gold-labelled immunoassay specific to chitin. None was detected, and the membrane may consist of epicuticle alone. The wings were examined for evidence of crystalline material using standard polarising microscopy and an advanced technique that distinguishes between three components of the polarised image. Birefringence was detected in the membrane of the anterior part of the wing, but vanished when the membrane was separated from the surrounding veins, suggesting that it was due to pre-stress rather than to ultrastructure, The implications are discussed.


英文关键词locust Schistocerca gregaria wing material properties chitin
类型Article
语种英语
国家England
收录类别SCI-E
WOS记录号WOS:000165077300005
WOS关键词CUTICLE ; CHITIN
WOS类目Biology
WOS研究方向Life Sciences & Biomedicine - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/139362
作者单位(1)Univ Exeter, Sch Biol Sci, Hatherly Labs, Exeter EX4 4PS, Devon, England;(2)Univ Exeter, Sch Engn & Comp Sci, Exeter EX4 4QF, Devon, England
推荐引用方式
GB/T 7714
Smith, CW,Herbert, R,Wootton, RJ,et al. The hind wing of the desert locust (Schistocerca gregaria Forskal) II. Mechanical properties and functioning of the membrane[J],2000,203(19):2933-2943.
APA Smith, CW,Herbert, R,Wootton, RJ,&Evans, KE.(2000).The hind wing of the desert locust (Schistocerca gregaria Forskal) II. Mechanical properties and functioning of the membrane.JOURNAL OF EXPERIMENTAL BIOLOGY,203(19),2933-2943.
MLA Smith, CW,et al."The hind wing of the desert locust (Schistocerca gregaria Forskal) II. Mechanical properties and functioning of the membrane".JOURNAL OF EXPERIMENTAL BIOLOGY 203.19(2000):2933-2943.
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