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Aptamers

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ISBN: 9783038970590 9783038970606 Year: Pages: X, 290 Language: Englisch
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biology
Added to DOAB on : 2018-08-27 13:15:06
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Abstract

Aptamers are in vitro selected oligonucleotides capable of specific, high-affinity binding to a wide variety of target molecules. These features enable their application in diagnostics, therapeutics, targeted delivery, fluorescence imaging, and biosensing. Aptamers are isolated via the systematic evolution of ligands by exponential enrichment (SELEX), an iterative cycle of selection and amplification steps that enriches a randomly synthesised oligonucleotide library to a pool of specific, high-affinity aptamers. Since the inception of aptamers in 1990, the methods by which aptamers are selected have been improved, yielding a robust system capable of producing aptamers rapidly and at low cost. Recently, there has been an explosion in the field of aptamers including innovations in enhanced selection strategies, bioinformatics approaches, riboswitches, unnatural base pairs, nucleic acid nanostructures, and DNAzymes. This book combines excellent reviews with primary research articles to provide multidisciplinary perspectives on the frontiers of aptamer science in 2018.

Keywords

aptamer --- SELEX --- riboswitch --- DNAzyme

Nucleic Acid Architectures for Therapeutics, Diagnostics, Devices and Materials

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ISBN: 9783039212590 9783039212606 Year: Pages: 186 DOI: 10.3390/books978-3-03921-260-6 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology
Added to DOAB on : 2019-12-09 11:49:15
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Abstract

Nucleic acids (RNA and DNA) and their chemical analogs have been utilized as building materials due to their biocompatibility and programmability. RNA, which naturally possesses a wide range of different functions, is now being widely investigated for its role as a responsive biomaterial which dynamically reacts to changes in the surrounding environment. It is now evident that artificially designed self-assembling RNAs, that can form programmable nanoparticles and supra-assemblies, will play an increasingly important part in a diverse range of applications, such as macromolecular therapies, drug delivery systems, biosensing, tissue engineering, programmable scaffolds for material organization, logic gates, and soft actuators, to name but a few. The current exciting Special Issue comprises research highlights, short communications, research articles, and reviews that all bring together the leading scientists who are exploring a wide range of the fundamental properties of RNA and DNA nanoassemblies suitable for biomedical applications.

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