Patent ID: 6121011
Filing Date: 2000-09-19
Classification: C12Q,G01N,Y10S

Abstract:
A method for applying a reagent to a test device comprising:(a) providing a test device comprising a substrate and a test pad attached to the substrate;(b) providing a fluid delivery system comprising a nozzle and a flexible restrictor attached to the nozzle for delivery of a reagent from the nozzle to the test pad;(c) applying a reagent comprising an indicator system and glucose oxidase in a predetermined amount and at a predetermined pressure through the nozzle and the flexible restrictor to the test pad, wherein the indicator system comprises 3-methyl-6-(M sulfonate)-benzothiazolinone-(2)-hydrazone where M is sodium, potassium or ammonium and a second dye component capable of forming a dye couple with 3-methyl-6-(M sulfonate)-benzothiazolinone-(2)-hydrazone.