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Diagnostics based on tetrazolium compounds

  • US 5,902,731 A
  • Filed: 09/28/1998
  • Issued: 05/11/1999
  • Est. Priority Date: 09/28/1998
  • Status: Expired due to Term
First Claim
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1. A reagent for measuring a concentration of an analyte in a hemoglobin-containing biological fluid, comprisinga) a dehydrogenase enzyme that has specificity for the analyte,b) nicotinamide adenine dinucleotide (NAD) or an NAD derivative,c) a tetrazolium dye precursor,d) a diaphorase enzyme or an analog thereof, ande) a nitrite salt.

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