Chapter title |
An Enzyme-Linked Aptamer Sorbent Assay to Evaluate Aptamer Binding
|
---|---|
Chapter number | 18 |
Book title |
Synthetic Antibodies
|
Published in |
Methods in molecular biology, March 2017
|
DOI | 10.1007/978-1-4939-6857-2_18 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6855-8, 978-1-4939-6857-2
|
Authors |
Matthew D. Moore, Blanca I. Escudero-Abarca, Lee-Ann Jaykus |
Editors |
Thomas Tiller |
Abstract |
Nucleic acid aptamers are a class of alternative ligands increasingly growing in importance in the face of contemporary detection challenges. Aptamers offer multiple advantages over traditional ligands like antibodies; however, their ability to specifically bind target molecules must first be confirmed after their generation. Use of a plate-based enzyme-linked aptamer sorbent assay (ELASA) is a generally rapid way to screen and characterize aptamer binding to protein targets. ELASA involves directly plating a protein target onto a nonspecific (polystyrene) surface and assessing binding of functionalized (biotinylated) aptamers to those plated proteins using an enzyme conjugate that recognizes the aptamers. Here, we describe an ELASA that was designed and used to evaluate and compare binding of ssDNA aptamers against the capsids of different strains of human norovirus. |
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