Related Experiment Videos
A lab-on-disc centrifugal microfluidic system for ultraprecise plasma separation
Yuxing Shi1, Peng Ye1, Kuojun Yang1
1School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, P. R. China.
Electrophoresis
|March 21, 2022
Summary
This study introduces a portable microfluidic platform for rapid, automated blood plasma separation. The device achieves high purity and efficiency, improving point-of-care diagnostics, especially in resource-limited settings.
Area of Science:
- Biomedical Engineering
- Microfluidics
- Clinical Diagnostics
Background:
- Point-of-care testing (POCT) demands faster, more convenient disease diagnosis.
- Conventional plasma separation is bulky, requires expertise, and can be imprecise.
- Incomplete separation affects biochemical detection accuracy.
Purpose of the Study:
- To design a portable centrifugal microfluidic platform for automated, rapid, and ultraprecise blood separation.
- To overcome limitations of traditional blood separation methods.
Main Methods:
- A portable centrifugal microfluidic disc with multi-chambers and multi-microchannels was designed.
- The platform features collinear plasma and cell reservoirs.
- This structure enhances separation efficiency, particularly at high hematocrit levels.
Main Results:
- Achieved 99.9% plasma purity and 99.9% separation efficiency at 48% hematocrit.
- Demonstrated a 32.5% plasma recovery rate within 50 seconds.
- The system ensures high-quality plasma for accurate downstream analysis.
Conclusions:
- The developed microfluidic platform offers a robust solution for rapid blood separation.
- It significantly enhances the potential for accurate point-of-care diagnostics.
- This technology is particularly valuable for improving healthcare in underserved regions.