完全自动化的独立微流体集成电化学发光平台,用于样本到答案检测糖尿病并发症标志物
Abhishek Kumar1,2, Sanket Goel1,2
1MEMS, Microfluidics and Nanoelectronics (MMNE) Lab, Birla Institute of Technology and Science (BITS) Pilani, Hyderabad Campus, Hyderabad 500078, India. sgoel@hyderabad.bits-pilani.ac.in.
Lab on a chip
|July 17, 2025
概括
一个新的非侵入性生物传感芯片检测到汗水和尿液中的葡萄糖,乳酸和尿酸. 这种电化学发光平台为糖尿病监测和并发症检测提供了无痛,全面的替代方案.
科学领域:
- 生物医学工程 生物医学工程
- 分析化学 分析化学
- 临床诊断 临床诊断 临床诊断 临床诊断
背景情况:
- 目前的糖尿病监测依赖于痛苦的指针测试,提供有限的代谢洞察力.
- 使用汗水和尿液等生物流体的非侵入性方法提供了一个无痛的替代方案.
- 监测多个标志物 (葡萄糖,乳酸,尿酸) 提供了糖尿病和并发症的全面视图.
研究的目的:
- 开发一个微流体集成电化学发光 (μfluidic-ECL) 生物传感芯片和一个独立的诊断平台.
- 为了能够在非侵入性生物流体中准确和灵敏地检测多个与糖尿病相关的标志物.
- 验证平台的性能,以便在个性化糖尿病诊断中进行潜在的现场部署.
主要方法:
- 使用COMSOL进行微流体ECL生物传感芯片的设计和数值研究,以获得最佳的流体动力学.
- 开发一个全自动化,样本到答案ECL诊断平台.
- 分析性能评估包括稳定性,可重复性和真实样本分析 (人工汗水和尿液).
主要成果:
- 微流体-ECL传感器显示了葡萄糖,乳酸和尿酸的广泛线性范围和低检测/定量极限.
- 独立的ECL平台实现了与基板分析仪相提并论的性能.
- 通过人工生物流体在实验室环境中成功验证,达到技术准备水平 (TRL) 4-5.
结论:
- 开发的μfluidic-ECL生物传感芯片和诊断平台为非侵入性糖尿病监测提供了一个全面的解决方案.
- 这项技术提供了对关键糖尿病和并发症标志物的准确和敏感检测.
- 该系统显示了个性化诊断和现场部署的前景,超越了传统的血液测试.
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