生物反应器细胞生长的空间分辨率光学监测
J Gorecki1, C Redwood-Sawyerr2, J Cao3
1Department of Bioengineering, Royal School of Mines, Imperial College London, SW7 2BX, UK.
Biomedical optics express
|February 16, 2026
概括
这项研究引入了一种新的光学方法来监测生物反应器中的细胞密度,克服空间变异的挑战并改善工业细胞培养产量. 这种非侵入性技术使用光散射进行实时,现场测量.
科学领域:
- 生物技术是生物技术.
- 光学工程是指光学工程.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 生物反应器中的工业细胞培养对于生产药品,酶和生物燃料至关重要.
- 由于空间异质性和依赖单点测量,监测生物反应器条件具有挑战性.
- 细胞培养中的强光散射阻碍了传统的成像方法.
研究的目的:
- 开发一种非侵入性,空间分辨的光学方法,用于监测生物反应器中的细胞密度.
- 为了解决 ex-situ 测量的局限性和生物反应器监测的空间变化.
- 为了实现集成到过程控制反系统,以提高产量.
主要方法:
- 在细胞培养物中利用了寄生虫光散射效应.
- 开发了一种基于局部散射参数的光学测量技术.
- 使用散射参数作为实时细胞密度估计的代理.
主要成果:
- 展示了一种用于空间分辨细胞密度监测的非侵入性方法.
- 展示了克服生物反应器中光学散射所带来的挑战的潜力.
- 验证了使用局部散射参数作为细胞密度的代理.
结论:
- 拟议的光学方法为生物反应器监控提供了一个非侵入性,现场解决方案.
- 这种技术可以为过程控制提供有价值的数据,增强空间均性.
- 实施可以在工业细胞培养中提高产品产量.
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