Recent progress of microfluidic chips in immunoassay.
Kaimin Wu1, Xuliang He2, Jinglei Wang1
1Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, China.
Frontiers in Bioengineering and Biotechnology
|January 9, 2023
Summary
Microfluidic chips offer fast, efficient, and low-cost sample analysis with minimal reagent use. This technology review covers their applications in immunoassays and future potential in point-of-care diagnostics.
Area of Science:
- Biotechnology
- Analytical Chemistry
- Materials Science
Background:
- Microfluidic chip technology integrates sample processing, separation, reaction, and detection onto a microchannel chip.
- This platform offers advantages such as reduced sample/reagent volume, rapid analysis, cost-effectiveness, automation, portability, high throughput, and compatibility with other techniques.
Purpose of the Study:
- To review the fundamental concepts, materials, and fabrication technologies of microfluidic chips.
- To explore the diverse applications of microfluidic chips in various immunoassay formats.
- To discuss future trends and challenges in microfluidic chip development.
Main Methods:
- Review of existing literature on microfluidic chip technology and its applications.
- Detailed description of microfluidic chip design, material selection, and fabrication processes.
- Categorization and analysis of immunoassay techniques utilizing microfluidic platforms, including fluorescent, chemiluminescent, SERS, and electrochemical methods.
Main Results:
- Microfluidic chips enable efficient and sensitive immunoassays through integrated microchannel systems.
- Various detection methods like fluorescence, chemiluminescence, SERS, and electrochemistry are effectively implemented on microfluidic platforms.
- The technology demonstrates significant potential for point-of-care testing and high-throughput screening.
Conclusions:
- Microfluidic chips represent a versatile platform for advanced analytical applications, particularly in immunoassays.
- Future development should focus on point-of-care applications and high-throughput systems.
- Challenges remain in optimizing chip design, integration, and real-world sample analysis.
