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Thermal cycler including a temperature gradient block

  • US 6,962,821 B2
  • Filed: 12/05/2002
  • Issued: 11/08/2005
  • Est. Priority Date: 10/20/1993
  • Status: Expired due to Fees
First Claim
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1. A method for simultaneously reacting a plurality of reaction mixtures in an apparatus including a temperature gradient block comprising the steps of:

  • placing reaction mixtures in a plurality of reaction wells in said gradient block, said gradient block having a top portion, first and second opposing portions, and a bottom portion, said plurality of reaction mixture wells being formed in said block between said opposing portions, heating said gradient block using a resistive heater, and generating a temperature gradient across said gradient block and between said opposing portions.

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