A simple and easy-to-assemble device for polymerase chain reaction

Area of Science:

• Molecular Biology
• Biotechnology
• Genetics

Background:

• The polymerase chain reaction (PCR) is a cornerstone technique in molecular biology for DNA amplification.
• High-cost, specialized equipment can be a barrier to entry for PCR implementation in some laboratories.
• There is a need for accessible and cost-effective PCR solutions.

Purpose of the Study:

• To describe the design and assembly of an efficient, low-cost polymerase chain reaction device.
• To demonstrate the device's capability for amplifying specific genomic DNA sequences.

Main Methods:

• The device was constructed using readily available components: three water baths, three dual-head peristaltic pumps, an electronic timer, and a custom-fabricated water jacket.
• Microcentrifuge tubes were utilized to hold DNA samples within the water jacket.
• The device was tested for its efficacy in amplifying human factor X genomic DNA.

Main Results:

• The assembled polymerase chain reaction device proved to be efficient and easy to set up.
• Minimal investment in dedicated equipment was required for its construction.
• Successful amplification of human factor X genomic DNA was achieved using this device.

Conclusions:

• This cost-effective polymerase chain reaction device offers a practical solution for DNA amplification in resource-limited settings.
• The fabricated device demonstrates the feasibility of building efficient molecular biology tools with minimal capital expenditure.
• The successful amplification of human factor X DNA validates the system's performance for genetic analysis.