Suppr超能文献

基于多喷头沉积系统制备的 SFF 生物可降解支架的细胞黏附与增殖评价。

Cell adhesion and proliferation evaluation of SFF-based biodegradable scaffolds fabricated using a multi-head deposition system.

机构信息

Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Gyeongbuk 790-784, Republic of Korea.

出版信息

Biofabrication. 2009 Mar;1(1):015002. doi: 10.1088/1758-5082/1/1/015002. Epub 2009 Mar 20.

Abstract

Scaffolds composed of biodegradable polymers and biocompatible ceramics are being used as substitutes for tissue engineering. In the development of such techniques, scaffolds with a controllable pore size and porosity were manufactured using solid free-form fabrication (SFF) methods to investigate the effects of cell interactions such as cell proliferation and differentiation. In this study, we describe the adhesion of human bone marrow stromal cells (hBMSCs) and proliferation characteristics of various scaffolds, which consist of biodegradable materials, fabricated using a multi-head deposition system (MHDS) that we developed. The MHDS uses novel technology that enables the production of three-dimensional (3D) microstructures. Fabrication of 3D tissue engineering scaffolds using the MHDS requires the combination of several technologies, such as motion control, thermal control, pneumatic control and computer-aided design/computer-assisted manufacturing software. The effects of a polymer and ceramic on a tissue scaffold were evaluated through mechanical testing and cell interaction analysis of various kinds of scaffolds fabricated using polycaprolactone, poly-lactic-co-glycolic acid and tri-calcium phosphate for bone regeneration applications. Based on these results, the feasibility of application to the tissue engineering of SFF-based 3D scaffolds fabricated by the MHDS was demonstrated.

摘要

由可生物降解聚合物和生物相容陶瓷组成的支架被用作组织工程的替代品。在这些技术的发展中,使用无模成型(SFF)方法制造了具有可控孔径和孔隙率的支架,以研究细胞相互作用(如细胞增殖和分化)的影响。在这项研究中,我们描述了使用我们开发的多头沉积系统(MHDS)制造的由可生物降解材料组成的各种支架的人骨髓基质细胞(hBMSCs)黏附和增殖特性。MHDS 使用了一种新技术,能够生产三维(3D)微结构。使用 MHDS 制造 3D 组织工程支架需要结合多种技术,例如运动控制、热控制、气动控制和计算机辅助设计/计算机辅助制造软件。通过对用于骨再生应用的聚己内酯、聚乳酸-共-羟基乙酸和三钙磷酸盐制造的各种支架的机械测试和细胞相互作用分析,评估了聚合物和陶瓷对组织支架的影响。基于这些结果,证明了 MHDS 制造的基于 SFF 的 3D 支架的组织工程应用的可行性。

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验