Analytical method, kit, and apparatus
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United States of America Patent
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Sep 10, 2002
Grant Date -
Jul 5, 2001
app pub date -
Oct 22, 1998
filing date -
Mar 10, 1997
priority date (Note) -
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Abstract
Providing an assay method capable of simultaneously determining the presence or absence of one or more species of biological substances or assaying the amounts thereof with a single assay device, a kit therefor and an assay device thereof. The amount thereof or the presence thereof is detected, by putting a liquid sample containing one or more species of analytes in contact to a reagent including one or more species of marker-labeled ligands and one or more species of nucleic acid-labeled ligands, to generate one or more species of complexes, developing the generated one or more species of complexes through capillary phenomenon in developing element 11 in a sheet form, capturing the complexes through complementary nucleic acid binding onto anti-bond elements consisting of nucleic acids on detection zones 15, 16 and 17 formed depending on each of one or more species of nucleic acids immobilized on the detection zone 14, thereby capturing a complex depending on the analyte species, through the complementary binding between the anti-bond element and the bond element, to form an independent band and to assay the amount or the presence on the detection part.
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