Quantitative analysis apparatus and method

  • US 5,073,484 A
  • Filed: 02/23/1983
  • Issued: 12/17/1991
  • Est. Priority Date: 03/09/1982
  • Status: Expired due to Term
First Claim
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1. A method for the analysis of an analyte in a test solution comprising the steps of:

  • (a) non-diffusively immobilizing in each of a predetermined number of successive, spaced reaction zones of a liquid permeable medium a reactant capable of reacting with the analyte to form a predetermined product;

    (b) flowing said solution along the medium and sequentially through the reaction zones; and

    (c) detecting the presence of analyte, said reactant or said predetermined product in the reaction zones, wherein the number of zones in which detection occurs is related to the amount of analyte in the solution.

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