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Measuring device and measuring method for detecting analytes

  • US 7,658,825 B2
  • Filed: 09/07/2005
  • Issued: 02/09/2010
  • Est. Priority Date: 09/09/2004
  • Status: Expired due to Fees
First Claim
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1. A device for the detection and/or determination of the concentration of at least one analyte present in a liquid medium, consisting ofa) a strip-shaped carrier (20) having two longitudinal edges (24), to which carrier (20) a printed multiple electrode set consisting of at least one reference electrode (30) and at least one working electrode (40) is applied andb) ligands which are suitable for binding a biologically active specific binding molecule or the analyte,wherein the devicecomprises a rigid reaction and detection chamber (50) adapted for continuous flow of the medium along said strip-shaped carrier (20), said reaction and detection chamber being formed by an elongated support (52) applied to said longitudinal edges (24) of said carrier (20) having a cover (54) disposed on said support (52), and thata liquid absorption element (60) is disposed downstream of said reaction and detection chamber (50), andfurther wherein the elongated support (52) is divided in two and is permanently adhesively attached, in the form of two strips, to the two longitudinal edges (24) of said carrier (20) and said strips only lie on one part of said two longitudinal edges (24) of said carrier (20), there being an interstice (70) between said strips and said liquid absorption element (60) from which interstice (70) said strips extend upstream on said longitudinal edges (24).

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