| The PCR
or Polymerase Chain Reaction system invented by Kary Mullis, Ph.d.
requires a repetitive cycling through three different temperatures.
Through this repetitive cycling and the addition of synthetic DNA
fragments, an incredibly small amount of DNA can be used to generate
millions of copies of the original fragment. This system somewhat mimics
the in vivo DNA replication process in that the number of DNA molecules
generated by the Polymerase Chain Reaction doubles after each cycle. The
PCR breakthrough has made it much easier to characterize and compare
different genetic material.
Marlow Industries, Inc. has developed
a method for manufacturing thermoelectric modules that enables them to
withstand the rigors of the rapid and continuous temperature excursions
required by PCR. Modules manufactured using this method are given the
designation of XLT for eXtended Life TEC. While the XLT modules are
ideally suited to PCR applications, they can also be applied to any
application that requires rapid and continuous thermal cycling.
For more information contact Marketing at Marlow Industries, Inc.
10451 Vista Park Rd., Dallas, TX 75238-1645
214-340-4900 phone, 214-341-5212 fax.
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