Integrated Module for Automated DNA Extraction and Amplification

  • Bin Zhuang
Part of the Springer Theses book series (Springer Theses)


An integrated module for automated sample preparation is present in this chapter. A disposable PMMA chip, together with related instrument to manipulate the chip, was designed and fabricated. On-chip extraction was performed by twining long-chain nucleic acid molecules onto the filter paper. And the thermal cycles were then applied directly to the filter paper with DNA twined on for PCR amplification. To precisely manipulate on-chip fluidic and fully seal PCR chamber, an on-chip valve structure was designed and verified. Unlike classic pneumatic valve for glass chip, this valve requires no off-chip pneumatic components and can be simply driven by a pushing rod. And with an adjusted thermal bonding protocol, the valve structure can be simply fabricated. A LabView software was also programmed to control the fluidic and temperature of the system. With the chip, instrument and program, on-chip integrated and automated sample preparation was performed and the limit of detection was determined. The system was then applied for fast screening of congenital hearing loss gene and the results turned out satisfactorily.


Automated Sample Preparation System Congenital Hearing Loss Reference Chip Capillary Electrophoresis Platform Valve Base 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Bin Zhuang
    • 1
  1. 1.National Engineering Research Center for Beijing Biochip TechnologyCapitalbio CorporationBeijingChina

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