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DNA analyzer

  • US 9,656,261 B2
  • Filed: 03/04/2011
  • Issued: 05/23/2017
  • Est. Priority Date: 06/04/2009
  • Status: Active Grant
First Claim
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1. A microfluidic chip, comprising:

  • an inlet configured to receive a template DNA extracted from a sample acceptor that is external of the microfluidic chip and is fluidically coupled to the microfluidic chip on a cartridge;

    a first domain configured for polymerase chain reaction (PCR) amplification of DNA fragments, the first domain including a thermal-coupler reservoir coupled with a PCR reservoir for PCR amplification, thermal cycles in the PCR reservoir being induced based on temperature measured from the thermal-coupler reservoir;

    a dilution domain having a reservoir that is fluidically coupled to the first domain and is configured to dilute a PCR mixture received from the first domain with a dilutant in the reservoir; and

    a second domain that is fluidically coupled to the dilution domain so as to receive the amplified DNA fragments, the second domain including a separation channel that is configured to perform electrophoretic separation of the amplified DNA fragments.

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