FIELD: chemistry.
SUBSTANCE: invention relates to biotechnology. The indicator strip has an electrode layer and a substrate having a channel on it. The channel has a first zone, a second zone and a third zone lying in series. A first antibody is localised in the first zone. Saccharide and peroxidase are localised in the first or second zone. A second antibody, meant for identifying an antigen determinant different from the antigen determinant of the same antigen identified by the first antibody, is immobilised in the second zone. A substrate reagent which contains saccharide oxidase is localised in the third zone.
EFFECT: indicator strip for quantitative determination of analysed substance in a liquid and a method for quantitative determination using said indicator strip are disclosed.
21 cl, 10 dwg
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