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Updated: Jun 1, 2025

Shape Memory Polymers for Active Cell Culture

Shape Memory Polymers for Active Cell Culture

Published on: July 4, 2011

在带有细胞的颗粒状复合材料中编程的形状转换.

Nikolas Di Caprio^1,2, Alex J Hughes^1,3, Jason A Burdick^1,2,4

¹Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104, USA.

Science advances

|January 17, 2025

概括

此摘要是机器生成的。

研究人员开发了可编程颗粒复合材料,使用细胞球体和微凝来控制组织形成. 这种方法允许对压缩和形状进行动态控制,进步了体外组织工程.

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Last Updated: Jun 1, 2025

Shape Memory Polymers for Active Cell Culture

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Published on: July 4, 2011

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Fabrication of a Bioactive, PCL-based "Self-fitting" Shape Memory Polymer Scaffold

Published on: October 23, 2015

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Published on: May 5, 2023

科学领域:

生物材料科学生物材料科学
组织工程是组织工程.
发展生物学发展生物学

背景情况:

组织发育涉及细胞外矩阵 (ECM) 紧缩和形状变化.
控制这些过程在体外用于组织工程仍然很困难.

研究的目的:

创建可编程和动态颗粒复合材料,用于控制体外组织形成.
研究微凝稳定性和紧缩如何影响组织发育和ECM沉积.

主要方法:

使用介酶体 stromal 细胞球体和具有不同水解稳定性的水凝微粒制造颗粒状复合材料.
使用混合微凝种群来调节压缩动态.
空间图案复合材料诱导形状转换.

主要成果:

可编程颗粒复合材料成功控制了组织紧缩和ECM随时间的沉积.
微凝稳定性和种群混合影响了紧缩水平和ECM统一性.
空间图案复合材料表现出模型预测的稳定形状转换 (曲/曲率).

结论:

这种方法为体外组织发育和ECM组织提供了动态控制.
编程压缩和形状转换的能力为工程组织开辟了新的途径.