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JoVE Journal
Bioengineering
组织工程热胶凝聚(N-异丙基丙烯酰胺) - 接枝 - 硫酸软骨素复合材料的海藻酸钠微粒的合成
组织工程热胶凝聚(N-异丙基丙烯酰胺) - 接枝 - 硫酸软骨素复合材料的海藻酸钠微粒的合成
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Bioengineering
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JoVE Journal Bioengineering
Synthesis of Thermogelling Poly(N-isopropylacrylamide)-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering

组织工程热胶凝聚(N-异丙基丙烯酰胺) - 接枝 - 硫酸软骨素复合材料的海藻酸钠微粒的合成

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12,505 Views
12:22 min
October 26, 2016

DOI: 10.3791/53704-v

Thomas R. Christiani1, Katelynn Toomer2, Joseph Sheehan2, Angelika Nitzl2, Amanda Branda2, Elizabeth England2, Pamela Graney3, Cristina Iftode2, Andrea J. Vernengo1

1Department of Chemical Engineering,Rowan University, 2Department of Biological Sciences,Rowan University, 3Department of Biomedical Engineering,Drexel University

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Please note that some of the translations on this page are AI generated. Click here for the English version.

聚(N-异丙基丙烯酰胺) - 接枝 - 硫酸软骨素组成的可注射的组织工程支架,制备(PNIPAAm的接枝CS)含藻酸盐微粒。粘合强度,溶胀性能和体外生物相容性在这项研究中进行分析。这里开发的表征技术可以适用于其他的热胶凝系统。

该方法的总体目标是评估所提出的水凝胶复合材料用于髓核椎间盘组织工程的粘合性能和细胞生物相容性。这种方法可以帮助回答组织工程领域的关键问题,例如如何设计和制备具有生物粘附特性的热可逆水凝胶,用于细胞封装。这项技术的主要优点是,我们能够使用可注射的热敏复合材料进行体外研究,以评估其作为髓核潜在替代品的用途。

在目前的这项研究中,我们通过进行拉伸力学测试和细胞活力测定来评估一种新型水凝胶支架。来自生物科学和生物化学系的学生 Emily Schmidt、Mark Dittmer、Edward Goldschmidt 和 Frantzeska Giginis 将演示生物相容性测定。在合成生物粘附水凝胶之前,如文本方案中所述,纯化 NIPAAm 单体和 mCS。

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