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Using encoded hydrogel microparticles in a 96-well filter plate system for enhanced rinsing efficiency in multiplexed
Seok Joon Mun1, Hyun Kyo Roh1, E Loomee Song1
1Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea. bong98@korea.ac.kr.
Analytical Methods : Advancing Methods and Applications
|October 29, 2025
Summary
This study introduces an improved filter plate system for hydrogel microparticle assays, enhancing nucleic acid detection efficiency and reliability. The new method offers faster, more reproducible results for biomedical applications.
Area of Science:
- Biomedical Engineering
- Molecular Diagnostics
- Assay Development
Background:
- Hydrogel microparticle assays offer high sensitivity and multiplexing for nucleic acid detection.
- Current methods face challenges with rinsing steps, impacting reliability and sensitivity.
- Integrating filter plates is hindered by evaporation and temperature control issues.
Purpose of the Study:
- To develop a filter plate-based system for hydrogel microparticle nucleic acid assays.
- To overcome limitations of evaporation and temperature control in filter plate integration.
- To enhance the speed, reproducibility, and sensitivity of nucleic acid detection.
Main Methods:
- Developed a 96-well filter plate system with evaporation-minimizing films.
- Incorporated printed circuit board heaters for uniform temperature control.
- Validated the system for hydrogel microparticle-based nucleic acid detection.
Main Results:
- Achieved significantly enhanced rinsing efficiency within the filter plate.
- Demonstrated uniform temperature control across all wells.
- Showcased a two-fold improvement in the limit of detection compared to tube-based assays.
- Maintained high reproducibility across wells.
Conclusions:
- The developed system provides a facile, rapid, reliable, and sensitive approach for multiplex nucleic acid detection.
- Successfully addressed key challenges in integrating filter plates with hydrogel microparticle assays.
- Offers a promising platform for advanced biomedical diagnostics and research.
