Enzymatic assay for homocysteine and a kit therefor

CAFC
  • US 5,631,127 A
  • Filed: 05/16/1995
  • Issued: 05/20/1997
  • Est. Priority Date: 01/22/1992
  • Status: Expired due to Term
First Claim
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1. In a method for assaying homocysteine in a sample, said method comprising the steps of (i) contacting said sample with a homocysteine converting enzyme and at least one substrate for said enzyme other than homocysteine, and (ii) assessing an analyte which is a substrate for said enzyme, wherein the improvement comprises in step (i) contacting said sample with a said substrate other than homocysteine and in step (ii) without chromatographic separation assessing a non-labelled analyte selected from the group consisting of a homocysteine co-substrate and the homocysteine conversion products of the enzymic conversion of homocysteine by said enzyme.

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