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Related Experiment Videos

Driving multiple pulsed field electrophoresis devices from one personal computer

D K Green1

  • 1MRC Human Genetics Unit, Western General Hospital, Edinburgh, UK.

Computer Applications in the Biosciences : CABIOS
|October 1, 1993
PubMed
Summary

A new computer program controls multiple pulsed field electrophoresis devices, including clamped homogeneous electric field (CHEF) and field inversion gel electrophoresis (FIGE) systems. This allows for independent, parallel operation and flexible experimental control of DNA separation techniques.

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Area of Science:

  • Molecular Biology
  • Biotechnology
  • Biophysical Chemistry

Background:

  • Pulsed field gel electrophoresis (PFGE) techniques like CHEF and FIGE are crucial for separating large DNA molecules.
  • Controlling multiple PFGE devices simultaneously presents a challenge for experimental throughput and complexity.

Purpose of the Study:

  • To develop a versatile computer-controlled system for managing multiple pulsed field electrophoresis devices.
  • To enhance experimental flexibility and efficiency in DNA separation using PFGE.

Main Methods:

  • A PC-based software was developed to control up to four PFGE devices (CHEF and FIGE).
  • An interface using TTL logic and optical couplers was designed to connect the computer's parallel port to the devices.
  • Software enables independent pulse regimes, random start/stop, and real-time monitoring for each device.

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Main Results:

  • The system successfully controls multiple PFGE devices in parallel, allowing independent operation.
  • User-friendly mouse control facilitates setup, running, and saving of pulse regimes.
  • The software is configurable for various combinations of CHEF and FIGE devices.

Conclusions:

  • A flexible and efficient computer-controlled system for multiple pulsed field electrophoresis devices has been established.
  • This system significantly improves the capability for complex DNA analysis and high-throughput PFGE experiments.