一对功能性聚合物的双相交联和电可用于设计具有调节结构和性能的弹性体支架
Xiaochu Ding1,2, Zhongtian Zhang3, Christopher Kluka4
1Health Research Institute, Michigan Technological University, 202E Chemical Sciences and Engineering Building, 1400 Townsend Drive, Houghton, Michigan 49931, United States.
ACS applied bio materials
|January 11, 2024
概括
新的弹性体支架为组织工程提供可调节的特性. 这些材料很快被交叉连接,可以制造成纤维支架,用于软组织再生.
科学领域:
- 生物材料科学 生物材料科学
- 聚合物化学 聚合物化学
- 组织工程是组织工程.
背景情况:
- 弹性体支架对于软组织工程至关重要,因为它们与本地组织的机械相似性.
- 可调节材料的特性对于满足各种组织要求至关重要,包括宿主反应,机械和再生能力.
- 现有的软弹性体往往缺乏形成适合特定组织应用的坚固,可调和纤维结构的能力.
研究的目的:
- 设计和合成基因和醇功能化的聚烯预聚合物,以创建可调节的弹性体支架.
- 为了研究所产生的弹性体的光交叉连接行为和材料特性.
- 探索这些弹性体在制造软组织工程应用的纤维支架方面的潜力.
主要方法:
- 合成基和硫醇功能化的聚预聚合物.
- 预聚合物的光交叉连接通过醇-烯点击化学.
- 机械特性 (弹性模块),降解速率,水友性 (水接触角度) 和细胞活性的表征 (NIH/3T3纤维细胞).
- 预聚合物混合物的电,以制造弹性纤维支架.
主要成果:
- 具有可调节弹性模块 (0.967.5 MPa) 和受控降解 (小时到天) 的坚固弹性体成功制造.
- 弹性体表现出水友性质 (水接触角度<85.6°).
- 在48小时化后,在NIH/3T3纤维细胞中观察到高细胞活力 (88%).
- 预聚合物混合物的电产生了弹性纤维性支架,而不需要载体聚合物.
结论:
- 设计的聚预聚合物使得通过烯酸-烯酸化学可以轻松制造强大的,可调节的弹性体材料.
- 由此产生的弹性体适用于软组织工程的纤维支架,并具有作为可再吸收的合成移植的潜力.
- 该平台提供了一种通用方法,用于开发用于各种组织再生应用的先进生物材料.
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