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Deoxyribonucleic acid measuring apparatus and method of measuring deoxyribonucleic acid

  • US 20070059741A1
  • Filed: 07/24/2006
  • Published: 03/15/2007
  • Est. Priority Date: 09/15/2005
  • Status: Active Grant
First Claim
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1. A deoxyribonucleic acid (DNA) measuring apparatus comprising:

  • a field effect transistor including a gold electrode contacting with a measurement solution containing DNA polymerase, DNA probes being immobilized on a surface of the gold electrode;

    a reference electrode contacting with the measurement solution;

    means which applies a high-frequency voltage between the gold electrode and the reference electrode;

    means which injects sample DNAs into the measurement solution; and

    means which injects at least one type of deoxyribonucleoside triphosphate selected from a group consisting of dATP (deoxyadenosine triphosphate), dCTP (deoxycytidine triphosphate), dGTP (deoxyguanosine triphosphate) and dTTP (deoxythymidine triphosphate), or a deoxyribonucleoside triphosphate derivative.

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