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Polymerase chain reaction on microchips.

Maria C Carles1, Nikolaus J Sucher

  • 1Department of Molecular and Experimental Medicine, The Scripps Research Institute, La Jolla, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|March 2, 2006
PubMed
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Microchip polymerase chain reaction (PCR) enables rapid DNA amplification in small volumes. Surface passivation and optimized protocols are crucial for efficient and successful chip-based PCR.

Area of Science:

  • Biotechnology
  • Molecular Biology
  • Microfluidics

Background:

  • The polymerase chain reaction (PCR) is a key in vitro technique for DNA amplification.
  • Microchip-based PCR devices offer miniaturized reaction volumes (picoliters to microliters).
  • Effective surface passivation is essential for successful PCR in microreactors.

Purpose of the Study:

  • To provide detailed protocols for microchip PCR.
  • To optimize surface passivation techniques for silicon and plastic surfaces.
  • To detail glass-to-silicon bonding methods using UV-curable glue.

Main Methods:

  • Surface passivation of silicon and plastic using silanization.
  • Bonding glass to silicon substrates with ultraviolet curable glue.

Related Experiment Videos

  • Development and adjustment of PCR protocols for microchip platforms.

    • Main Results:

    • Silanization effectively passivates silicon and plastic surfaces for microchip PCR.
    • UV-curable glue provides reliable glass-to-silicon bonding.
    • Microchip PCR demonstrates efficient and economical DNA amplification.
    • Fast temperature ramping is achievable due to the reduced thermal mass of microchips.

    Conclusions:

    • Detailed protocols for surface passivation and bonding are critical for microchip PCR success.
    • Microchip PCR offers an efficient and economical approach to DNA amplification.
    • Adjustments to existing PCR protocols may be necessary for microchip implementation.