Aptamers and Their Application

  • Wentao Xu


Aptamers are oligonucleotides (single-strand RNA or DNA) with three-dimensional shapes that can bind to their target with conformational changes. Recently, aptamers have attracted increased attention in analysis because they have all the advantages of antibodies, as well as unique merits, such as thermal stability, small size, reversible binding, low cost, and easy signal transduction. In this chapter, several types of aptamer selection processes, which can be categorized into two groups (SELEX (systematic evolution of ligands by exponential enrichment) strategies and SELEX variant strategies), are explained in detail. Furthermore, we briefly review various applications of aptamers for the diagnosis of diseases, drug release, antimicrobial activity, bioanalysis, and serotyping.


Aptamer SELEX Diagnosis Antimicrobial activity Bioanalysis Serotyping 



This work is supported by the Ministry of Science and Technology of Beijing (XX2014B069). Many thanks to Longjiao Zhu, for her kindly help in manuscript conception and preparation.


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Copyright information

© Springer Science+Business Media Singapore 2016

Authors and Affiliations

  • Wentao Xu
    • 1
    • 2
  1. 1.Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science & Nutritional EngineeringChina Agricultural UniversityBeijingChina
  2. 2.Beijing Laboratory for Food Quality and Safety, College of Food Science & Nutritional EngineeringChina Agricultural UniversityBeijingChina

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