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Updated: Jul 13, 2026
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An Economical and Versatile High-Throughput Protein Purification System Using a Multi-Column Plate Adapter
Published on: May 21, 2021
A titer plate-based polymer microfluidic platform for high throughput nucleic acid purification.
D S-W Park1, M L Hupert, M A Witek
1Center for Bio-Modular Multi-Scale Systems, Louisiana State University, Baton Rouge, LA 70803, USA.
Biomedical Microdevices
|July 31, 2007
Summary
This study presents a novel 96-well microfluidic reactor for solid-phase reversible immobilization (SPRI) DNA purification. The developed platform enables rapid and efficient isolation of genomic DNA from bacterial samples, verified by PCR.
Area of Science:
- Microfluidics
- Biotechnology
- Materials Science
Background:
- Microfluidic platforms offer advantages for biological sample processing.
- Solid-phase reversible immobilization (SPRI) is a key technique for nucleic acid purification.
- Developing integrated, high-throughput SPRI reactors is crucial for molecular diagnostics.
Purpose of the Study:
- To design and fabricate a 96-well SPRI reactor plate for microfluidic applications.
- To demonstrate the utility of the SPRI reactor for rapid genomic DNA purification.
- To validate the performance of the fabricated reactors for bacterial DNA isolation.
Main Methods:
- Fabrication of nickel mold inserts using UV-LIGA and SU-8 lithography.
- Replication of SPRI reactors via hot embossing of polycarbonate (PC).
- Thermal fusion bonding of PC chips and verification of leak-free seals.
Main Results:
- High-precision nickel mold inserts with vertical sidewalls were successfully fabricated.
- Polycarbonate SPRI reactors with excellent feature replication fidelity were produced.
- Leak-free SPRI reactor plates were assembled and demonstrated effective genomic DNA purification from bacterial lysates.
Conclusions:
- The developed 96-well SPRI reactor plate is a functional microfluidic platform for DNA purification.
- The fabrication method using UV-LIGA and hot embossing is suitable for producing high-quality SPRI reactors.
- This technology enables simple, fast, and efficient genomic DNA isolation for downstream applications like PCR.
