A method for detecting a target substance using a nucleic acid probe

A method for detecting a target substance is described, which comprises the steps of: forming a first complex comprising (a) a first nucleic acid probe immobilized on a first solid phase and having a single-strand portion, (b) a nucleic acid ligand which has a binding section as a base sequence hybr...

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Bibliographische Detailangaben
Hauptverfasser: ABE, SHIGEKI, DAITO, MOTONARI, YAMAGATA, KOICHI, HASUI, YASUSHI
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method for detecting a target substance is described, which comprises the steps of: forming a first complex comprising (a) a first nucleic acid probe immobilized on a first solid phase and having a single-strand portion, (b) a nucleic acid ligand which has a binding section as a base sequence hybridizable with the single-strand portion of the first nucleic acid probe and which has a target-binding substance capable of binding to the target substance, (c) the target substance, and (d) a labeling substance capable of binding to the target substance; separating, from the first complex, a second complex comprising the nucleic acid ligand, the target substance and the labeling substance; and detecting the target substance on the basis of the labeling substance in the second complex.