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Related Experiment Video

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High Throughput MicroRNA Profiling: Optimized Multiplex qRT-PCR at Nanoliter Scale on the Fluidigm Dynamic ArrayTM IFCs
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A visual multiplex PCR microchip with easy sample loading.

Jian-Wei Chen1, Ning Shao1, Yuchen Zhang2

  • 1Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China.

Yi Chuan = Hereditas
|September 15, 2017
PubMed
Summary
This summary is machine-generated.

A new microchip system enables simultaneous detection of 54 DNA targets, overcoming limitations of conventional multiplex PCR. This affordable, rapid technology offers high flexibility and specificity for multiple nucleic acid detection, including genetically modified organisms.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Microfluidics

Background:

  • Conventional multiplex PCR is limited in detecting numerous DNA targets simultaneously due to primer interference.
  • There is a need for accessible, high-throughput DNA detection technologies.

Purpose of the Study:

  • To develop an easy-to-use multiplex PCR microchip system capable of detecting a large number of DNA targets concurrently.
  • To demonstrate the system's capability in detecting specific DNA targets, such as those from genetically modified organisms.

Main Methods:

  • A microchip system with microchannels and microwells was designed for simultaneous PCR reactions.
  • Primer pairs and low melting agarose were pre-fixed in separate microwells.
  • A novel method for loading PCR mix and preventing cross-contamination using mineral oil was employed.
  • Post-PCR analysis involved nucleic acid staining and visualization with a portable UV detector.

Main Results:

  • The microchip system successfully detected 54 different DNA targets simultaneously.
  • The system demonstrated high flexibility and specificity in detecting seven common genetically modified organism targets.
  • The results validated the microchip's effectiveness for multiplex nucleic acid detection.

Conclusions:

  • The developed multiplex PCR microchip system provides an affordable, rapid, and user-friendly solution for high-throughput DNA detection.
  • This technology has significant potential for applications in various fields, including the detection of genetically modified organisms and other nucleic acid-based diagnostics.