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在载荷过程中使用in situSAXSS探测人类阿基里斯肌中的原纤维的纳米级结构反应

Yan Xi¹, Xiaofei Deng¹, Zheng Shu¹

¹Department of Radiology, Shanghai TCM-Integrated Hospital, Shanghai University of TCM, 200082, China.

Journal of the mechanical behavior of biomedical materials

|May 31, 2024

概括

研究人类的阿基里斯肌.

科学领域:

生物力学生物力学
材料科学材料科学材料科学
生物材料是一种生物材料.

背景情况:

人类阿基里斯肌的粘弹性属性取决于原结构.
了解人类阿基里斯肌变形机制在很大程度上是经验性的.
人类阿基里斯肌生物力学存在有限的纳米级洞察力.

研究的目的:

为了研究在拉伸过程中人类阿基里斯肌的纳米结构变化.
阐明D空间的演变,纤维方向和空隙特征.
将纳米级反应与宏观机械行为和故障联系起来.

主要方法:

采用了小角度X射线散射 (SAXS) 技术.
SAXS被用来分析D空间,光纤方向和空洞演变.
在阿基里斯肌上进行了拉伸拉伸实验.

主要成果:

根据SAXS数据确定了四个不同的变形区域.
早期阶段显示D空间和空洞长度增加,误导方向减少.
后期阶段显示加速变化,表明微观和宏观纤维细胞衰竭.

结论:

纳米规模的结构变化与宏观的阿基里斯肌变形和失败相关.
萨克斯提供了关于阿基里斯肌生物力学和组织组织的基本见解.
了解这些机制有助于阿基里斯肌再生研究.

关键词:

阿基里斯肌破裂破裂破裂破裂小角度X射线散射的小角度X射线散射.伸展伸展是一种伸展.

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