不同类型的非织造聚合物基体降解对其形貌和力学性能影响的原位SEM研究

IF 0.8 Q3 Engineering Nanotechnologies in Russia Pub Date : 2025-03-16 DOI:10.1134/S2635167624601712

T. D. Patsaev, K. Yu. Bazyleva, A. M. Azieva, D. A. Kirillova, T. E. Grigoriev, R. V. Sharikov, N. A. Sharikova, D. A. Volkov, E. V. Yastremsky, A. L. Vasiliev

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引用次数: 0

摘要

这项研究介绍了在扫描电子显微镜（SEM）室中以环境模式运行时，对用生物聚合物（壳聚糖和胶原蛋白）改性的聚-L-内酰胺非织造纤维基质进行原位拉伸测试的结果。在对基质进行单轴拉伸直至破裂的过程中，可同时获得基质的应力-应变曲线和 SEM 图像。根据基质在培养基中的培养时间，研究了降解过程中基质机械特性的变化。

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In Situ SEM Study of the Influence of Degradation of Various Types of Nonwoven Polymer Matrices on Their Morphology and Mechanical Properties

The work presents the results of testing nonwoven fibrous matrices based on poly-L-lactide modified with biopolymers (chitosan and collagen) under in situ stretching in a scanning electron microscope (SEM) chamber operating in the environmental mode. Matrix stress-strain curves and SEM images are obtained simultaneously during uniaxial stretching of the matrices until rupture. The change in the mechanical characteristics of the matrices during degradation is studied depending on the time of their incubation in the culture medium.

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来源期刊

Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

1.20

自引率

0.00%

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期刊介绍： Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.