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通过微滴技术在生物制药中进行成本高效和高通量LPS检测

Adriano Colombelli¹, Daniela Lospinoso², Valentina Arima¹

¹CNR NANOTEC-Institute of Nanotechnology, Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy.

|October 28, 2025

概括

这项研究引入了一种新型的微流体平台,用于在微滴中使用Limulus Amebocyte Lysate (LAL) 试验检测脂聚糖 (LPS). 与传统方法相比,这种创新方法为内毒素检测提供了更灵敏,更具成本效益和更可扩展的解决方案.

科学领域:

生物技术是生物技术.
分析化学分析化学
微流体学微流体学

背景情况:

来自格拉姆阴性细菌的脂聚糖 (LPS) 构成了重大工业挑战.
传统的内毒素检测方法 (RPT,LAL测定) 是昂贵的,缓慢的和试剂密集的.
现有的方法在可扩展性和应用方面存在局限性,特别是在资源有限的环境中.

研究的目的:

开发一个创新的微流体平台,用于增强脂聚糖 (LPS) 检测.
通过微滴技术缩小和改进Limulus Amebocyte Lysate (LAL) 试验.
为内毒素检测提供可扩展,具有成本效益和敏感的替代方案.

主要方法:

在微流体平台中使用微滴集成LAL测定.
利用精确的流体控制和反应隔离来提高测试性能.
用于LPS检测和校准的色度测量,带有路径长度正常化.

主要成果:

微流体LAL测定证明了LPS检测的高灵敏度和准确性.
与传统方法相比,实现了较低的检测极限和可比或改进的性能.
呈现出较低的试验内变异性 (CV ≈0.9%) 和可量化的检测极限 (LOD).

结论:

微流体微滴LAL测定是一种可行的概念验证,用于微型内毒素检测.
这种可扩展,具有成本效益和可持续的方法解决了传统方法的局限性.
该技术为诊断,生物制药和环境监测中的内毒素检测提供了实用解决方案.

关键词:

试验 LAL 试验 LAL 试验生物感应生物感应颜色测量传感器颜色测量传感器微小滴滴的生成过程微流体学在微流体学方面

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