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首页> 外文期刊>Journal of Materials Research >Nanoindentation to quantify the effect of insect dimorphism on the mechanical properties of insect rubberlike cuticle
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Nanoindentation to quantify the effect of insect dimorphism on the mechanical properties of insect rubberlike cuticle

机译：纳米压痕量化昆虫二态性对昆虫橡胶状角质层力学性能的影响

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摘要

Rubberlike insect cuticle is a light fibrous composite, which exhibits great deformability and long-range elasticity due to the presence of a large amount of the elastomeric protein resilin. The presence of resilin in specific locations in the insect body leads to the assumption that its main function is loss-free storage of energy. Rubberlike cuticle was identified, for the first time, in the femur base of the sand field cricket, Gryllus firmus, using fluorescence microscopy and various staining methods. Dynamic nanoindentation testing was then used to investigate the differences in the mechanical properties of rubberlike cuticle between males and females and wing morphs of this species. Significant changes in storage, loss moduli, and resilience were captured between female wing morphs. The results provide insight into the structure-function relations associated with the properties of insect joints from different morphs and genders.
机译：橡胶状昆虫表皮是一种轻质纤维复合材料，由于存在大量的弹性蛋白resilin，因此具有很大的可变形性和远距离弹性。甲虫素在昆虫体内特定位置的存在导致人们认为其主要功能是能量的无损失存储。使用荧光显微镜和各种染色方法，首次在沙地firmGryllus firmus的股骨底部发现了橡胶状角质层。然后使用动态纳米压痕测试来研究雌雄之间橡胶状角质层的机械性能以及该物种的翅膀形态的差异。在雌性机翼变型之间捕获了显着的存储，模量和回弹力变化。结果提供了与不同形态和性别的昆虫关节的特性相关的结构-功能关系的见解。

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  • 来源
    《Journal of Materials Research》 |2013年第18期|2650-2659|共10页
  • 作者

    Celine M. Hayot; Susan Enders; Anthony Zera; Joseph A. Turner;

  • 作者单位

    Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln,Lincoln, Nebraska 68588;

    Department of Physics, Doane College, Crete, Nebraska 68333;

    School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68588;

    Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln,Lincoln, Nebraska 68588;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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