Analysis of multiplex PCR fragments with PMMA microchip

Area of Science:

• Biotechnology
• Analytical Chemistry
• Molecular Diagnostics

Background:

• Microchip electrophoresis offers advantages like speed, sensitivity, and resolution for biomolecule analysis.
• Plastic microchips, particularly poly(methyl methacrylate) (PMMA), are suitable for mass production in clinical settings due to biocompatibility and low cost.

Purpose of the Study:

• To describe the fabrication of a PMMA microchip.
• To investigate DNA separation conditions using the PMMA chip.
• To evaluate the chip's performance in detecting multiplex PCR products for viral infections.

Main Methods:

• Fabrication of poly(methyl methacrylate) (PMMA) microchips.
• Optimization of DNA separation conditions on the microchip.
• Detection of multiplex PCR products from SARS and hepatitis B virus cases using microchip electrophoresis.

Main Results:

• The PMMA microchip electrophoresis method was optimized for DNA separation.
• The technique demonstrated higher sensitivity, resolution, and reduced time compared to gel electrophoresis.
• Successful detection of multiplex PCR products from clinical samples was achieved.

Conclusions:

• Microchip electrophoresis using PMMA chips provides a rapid, sensitive, and reliable method for analyzing multiplex PCR products.
• This technology holds promise for clinical applications in molecular diagnostics.