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Thermal cycler and DNA amplifier method

  • US 6,633,785 B1
  • Filed: 08/30/2000
  • Issued: 10/14/2003
  • Est. Priority Date: 08/31/1999
  • Status: Expired due to Fees
First Claim
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1. A thermal cycler comprising:

  • a plurality of wells capable of containing micro tubes holding a sample including nucleic acid;

    a plurality of heaters provided at the respective wells directly or indirectly heating the micro tubes;

    a plurality of temperature sensors, each measuring temperature of the respective micro tubes;

    a control apparatus inputted with measured values of the temperature sensors, supplying current to the plurality of heaters based on the measured values and controlling the temperature of the respective micro tubes independently from each other; and

    a plurality of nozzles provided at the respective wells jetting a medium to the wells or the micro tubes in order to cool down the micro tubes; and

    wherein the control apparatus controls the temperature of the micro tubes by jetting the medium from the nozzles to the wells when the current is supplied to the heaters.

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