生物医学用混纺纱制成的PLA/PCL复合材料。

IF 3.3 2区 医学 Q2 ENGINEERING, BIOMEDICAL Journal of the Mechanical Behavior of Biomedical Materials Pub Date : 2024-11-23 DOI:10.1016/j.jmbbm.2024.106819
C. Pereira-Lobato , M. Echeverry-Rendón , J.P. Fernández-Blázquez , J. LLorca , C. González
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引用次数: 0

摘要

PLA(聚乳酸)和PCL(聚己内酯)纤维混纺织物制成的复合材料是结缔组织工程中很有前途的候选材料。在这项工作中,纺织品是用PLA/PCL混合纱线以3:1的比例制造的,随后通过压缩成型巩固,产生固体复合板。从复合板中提取样品,在不同时期浸泡在PBS液(磷酸盐缓冲盐水)中进行降解试验。通过直接和间接测试对其干质量、力学性能(拉伸试验)、热性能和分子量演变以及电池相容性进行了评价和讨论。获得的结果证明了材料在结缔组织(肌腱/韧带)修复和替代方面的可行性。
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PLA/PCL composites manufactured from commingled yarns for biomedical applications
Composites manufactured with textiles weaved with commingled yarns using PLA (polylactic acid) and PCL (polycaprolactone) fibres are promising candidates for connective tissue engineering. In this work, textiles were fabricated using PLA/PCL commingled yarns in a ratio of 3 to 1, which were subsequently consolidated by compression moulding to produce solid composite plates. Specimens were extracted from the composite plates and submitted to degradation testing by immersion in PBS fluid (phosphate-buffered saline) at different periods. The dry mass, mechanical performance (tensile tests), thermal properties and molecular weight evolution, and cell compatibility by direct and indirect testing were evaluated and discussed. The results obtained demonstrated the material viability for connective tissue (tendon/ligament) repair and substitution.
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来源期刊
Journal of the Mechanical Behavior of Biomedical Materials
Journal of the Mechanical Behavior of Biomedical Materials 工程技术-材料科学:生物材料
CiteScore
7.20
自引率
7.70%
发文量
505
审稿时长
46 days
期刊介绍: The Journal of the Mechanical Behavior of Biomedical Materials is concerned with the mechanical deformation, damage and failure under applied forces, of biological material (at the tissue, cellular and molecular levels) and of biomaterials, i.e. those materials which are designed to mimic or replace biological materials. The primary focus of the journal is the synthesis of materials science, biology, and medical and dental science. Reports of fundamental scientific investigations are welcome, as are articles concerned with the practical application of materials in medical devices. Both experimental and theoretical work is of interest; theoretical papers will normally include comparison of predictions with experimental data, though we recognize that this may not always be appropriate. The journal also publishes technical notes concerned with emerging experimental or theoretical techniques, letters to the editor and, by invitation, review articles and papers describing existing techniques for the benefit of an interdisciplinary readership.
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