Specific oligonucleotide aptamer for the identification of T-2 toxin
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United States of America Patent
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Jan 2, 2018
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May 26, 2015
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Jul 24, 2014
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Abstract
This invention provides a small molecule oligonucleotide aptamer binding to T-2 toxin specifically, and the sequence of the ssDNA aptamer is SEQ ID NO: 1. Through the graphene oxide separation-based Systematic Evolution of Ligands by Exponential Enrichment, single-stranded oligonucleotide aptamer with high affinity and specific identification of T-2 toxin was obtained in vitro selection. The aptamer has a broad application prospect, which can be used for separation and enrichment of trace T-2 toxin in the sample. It can also be used as a reporter aptamer for the detection of T-2 toxin in food by means of functional groups labeling and other means.
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