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Analysis unit, biosensor and method for detecting or determining the concentration of an analyte

  • US 20080153710A1
  • Filed: 05/03/2007
  • Published: 06/26/2008
  • Est. Priority Date: 05/04/2006
  • Status: Abandoned Application
First Claim
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1. An analysis unit for at least one of detecting and determining the concentration of an analyte, the analysis unit comprising:

  • at least one sensor with a quartz oscillator, on whose surface capture molecules which bind specifically to the analyte are immobilized, a natural frequency of the quartz oscillator depending on at least one of whether and how many analyte molecules are bound to the capture molecules; and

    a transponder for wireless information interchange with a reader device, electrically connected to the quartz oscillator and designed to transmit information to the reader device, regarding at least one of whether and how many analyte molecules have bound to the capture molecules, the at least one sensor including three quartz oscillators, the first quartz oscillator being coated with first control molecules whose molecular weight corresponds to that of the capture molecules, the second quartz oscillator being coated with second control molecules whose molecular weight corresponds to a complex of a capture molecule and an analyte molecule, and the third quartz oscillator being coated with capture molecules.

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