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Controlled self-assembly of glycoprotein complex in snail mucus from lubricating liquid to elastic fiber

机译：在蜗牛粘液中对糖蛋白复合物的控制自组装从润滑液到弹性纤维

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摘要

The pedal mucus secreted by many gastropod mollusks, such as terrestrial snails and slugs, plays crucial roles in locomotion, osmoregulation, reproduction, and repulsing predators. In this report, we presented an intriguing example that terrestrial snail can utilize the self-assembly of glycoprotein complex in secreted mucus at the nanoscale to enhance adhesive force on smooth plates. With increasing crawling angle, the structural transformation of pedal mucus was found to involve at least four distinct stages: assembly of nanoparticles, aggregation into microspheres, formation of gels and solidification into fibers. These forming processes were mainly attributed to the unique combination of amino acid composition and chemistry in secreted glycoprotein coupled with the calcium carbonate regulation in pedal gland. Most importantly, we were inspired by these forming process to obtain a novel biomimetic fiber with good extensibility and elasticity from extracted pedal mucus for potential biomedical application.
机译：由许多腹部软体动物（例如陆地蜗牛和Slugs）分泌的踏板粘液在运动，Osmoreculation，繁殖和排斥者中起着至关重要的作用。在本报告中，我们介绍了一种有趣的例子，即陆地蜗牛可以利用纳米级分泌的粘液中糖蛋白复合物的自组装，以增强光滑板上的粘合力。随着爬行角度的增加，发现踏板粘液的结构转化涉及至少四个不同的阶段：纳米颗粒组装成微球，聚集成微球，形成凝胶并凝固到纤维中。这些形成方法主要归因于分泌的糖蛋白与施入族腺中的碳酸钙调节的分泌糖蛋白中的氨基酸组合物和化学的独特组合。最重要的是，我们的灵感来自这些形成过程，以获得一种新的仿生纤维纤维，具有良好的来自提取的踏板粘液的延长性和弹性，用于潜在的生物医学应用。

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  • 来源
    《RSC Advances》 |2018年第25期|共7页
  • 作者

    Zhong Tianyi; Min Liu; Wang Zhiyuan; Zhang Feng; Zuo Baoqi;

  • 作者单位

    Soochow Univ Natl Engn Lab Modern Silk Coll Text &

    Clothing Engn Suzhou 215000 Jiangsu Peoples R China;

    Soochow Univ Natl Engn Lab Modern Silk Coll Text &

    Clothing Engn Suzhou 215000 Jiangsu Peoples R China;

    Suzhou Sirna Pharmaceut Ltd Suzhou Peoples R China;

    Soochow Univ Jiangsu Prov Key Lab Stem Cell Res Med Coll Suzhou 215000 Jiangsu Peoples R China;

    Soochow Univ Natl Engn Lab Modern Silk Coll Text &

    Clothing Engn Suzhou 215000 Jiangsu Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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