Physico-chemical studies of liquid materials in the gland just before solidification of spider silks

蜘蛛丝凝固前腺体中液体物质的物理化学研究

• 批准号: 13650958
• 负责人: SOSAKI Shigeyoshi
• 金额: $ 2.24万
• 依托单位: Nara Medical University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2001
• 资助国家: 日本
• 起止时间: 2001 至 2002
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-13650958/
• 关键词: spider; silks; anatomy; gland; secretedliquid; molecular weight; electrophoresis; degradation; ジョロウグモ; 物理化学的研究

Recently, many researchers have focused on an application of spider silks to stocking, bullet proof jacket and threads from the viewpoint of genetic technology. However, many interesting properties on spider silks have been not made clear even though the genetic technology was developed. Especially, it is necessary to make clear the physico-chemical properties of spider silks in the liquid state. The author tried to dissect spider's bodies and to examine the liquid materials contained in the silk glands. The molecular weight of liquid materials was determined to be about 270,000 even though it was very difficult to determine the molecular weight because of degradation.The elastic modulus was determined for spider silks prepared at different stages of spider's growth. The effects of ultraviolet rays upon silks were also studied. And the mechanical properties of bagworm silks were also studied.

近年来，从基因技术的角度研究蜘蛛丝在袜子、防弹衣、丝线等方面的应用已成为众多研究者关注的焦点。然而，尽管基因技术已经开发出来，蜘蛛丝上的许多有趣的特性仍然不清楚。特别是要弄清蜘蛛丝在液态下的理化性质。作者试图解剖蜘蛛的身体，并检查丝腺中含有的液体物质。测定了蜘蛛不同生长阶段制备的蜘蛛丝的弹性模量，确定了液体材料的相对分子质量为27万左右，但由于降解作用，测定了其分子量。还研究了紫外线对丝绸的影响。并对袋蚕丝的力学性能进行了研究。

项目成果

大崎 茂芳: "動物から学ぶ天然繊維のサイエンス-クモの糸・ミノムシの糸・コラ-ゲン線維-"繊維学会誌. 58巻. 74-78 (2002)

大崎茂吉：“学习动物天然纤维的科学——蜘蛛丝、结虫丝和胶原纤维”日本纺织科学研究所杂志，第 58 卷，74-78（2002 年）

Shigeyoshi Osaki: "Determination of Elastic Modulus of Spider's Silks"Polymer Journal. 34. 25-29 (2002)

Shigeyoshi Osaki：“蜘蛛丝弹性模量的测定”聚合物杂志。