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Analytical element and method for analysis of multiple analytes

  • US 4,274,832 A
  • Filed: 02/12/1979
  • Issued: 06/23/1981
  • Est. Priority Date: 02/12/1979
  • Status: Expired due to Term
First Claim
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1. An analytical element for the analysis of analytes in a liquid, said element having an essentially dry matrix permeable to said liquid, at least a portion of said matrix comprising(a) a first interactive composition for the generation of a first radiometrically detectable species in an amount corresponding to the presence and/or concentration of one analyte, or a reaction or decomposition product thereof, and(b) a second interactive composition for the inhibition or the destruction of a second radiometrically detectable species in an amount corresponding to the presence and/or the concentration of a second analyte, or a reaction or decomposition product thereof;

  • said first and second interactive compositions being in liquid contact with one another within said matrix during use, and each of said first and second radiometrically detectable species having a different characteristic, detectable absorption or emission peak.

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