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  • 1Department of Chemistry, Saint Louis University, St. Louis, Missouri, USA.

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科学领域:

  • 生物医学工程 生物医学工程
  • 细胞生物学 细胞生物学
  • 分析化学 分析化学

背景情况:

  • 研究细胞内和细胞外过程需要动态分析.
  • 微流体设备可以精确控制细胞环境.
  • 巨细胞两极分化在组织工程和免疫反应中至关重要.

研究的目的:

  • 开发和验证用于动态分析的3D打印微流体细胞培养装置.
  • 为了研究细胞外矩阵纤维大小对巨细胞极化的影响.
  • 为了使关键分析物的快速,定量测量.

主要方法:

  • 制造具有集成循环的3D打印微流体设备.
  • 在线量化氧化生产使用电压计流量电池.
  • 使用LC/MS.进行细胞内伊塔康酸盐生产的离线量化.
  • 在不同尺寸的丝纤维上培养巨细胞 (512 nm与1280 nm).

主要成果:

  • 在几分钟内证明了实时和快速的离线分析量化.
  • 与较小的纤维 (512 nm) 相比,观察到较大的丝纤维 (1280 nm) 的氧化和伊塔科纳酸盐产量增加.
  • 成功地将细胞外矩阵特性与巨细胞反应相关联.

结论:

  • 与循环系统相结合的3D打印微流体设备对于研究动态细胞过程是有效的.
  • 细胞外矩阵纤维大小显著影响巨细胞极化和关键分析物生产.
  • 该平台为先进的微流体3D细胞培养提供了基础,并为流量依赖过程提供了综合分析.