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Issue 4, 2021
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Information processing based on DNA toehold-mediated strand displacement (TMSD) reaction

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Abstract

SemiSynBio is an emerging topic toward the construction of platforms for next-generation information processing. Recent research has indicated its promising prospect toward information processing including algorithm design and pattern manipulation with the DNA TMSD reaction, which is one of the cores of the SemiSynBio technology route. The DNA TMSD reaction is the process in which an invader strand displaces the incumbent strand from the gate strand through initiation at the exposed toehold domain. Also, the DNA TMSD reaction generally involves three processes: toehold association, branch migration and strand disassociation. Herein, we review the recent progress on information processing with the DNA TMSD reaction. We highlight the diverse developments on information processing with the logic circuit, analog circuit, combinational circuit and information relay with the DNA origami structure. Additionally, we explore the current challenges and various trends toward the design and application of the DNA TMSD reaction in future information processing.

Graphical abstract: Information processing based on DNA toehold-mediated strand displacement (TMSD) reaction

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Article information


Submitted
03 Nov 2020
Accepted
04 Jan 2021
First published
05 Jan 2021

Nanoscale, 2021,13, 2100-2112
Article type
Review Article

Information processing based on DNA toehold-mediated strand displacement (TMSD) reaction

T. Luo, S. Fan, Y. Liu and J. Song, Nanoscale, 2021, 13, 2100 DOI: 10.1039/D0NR07865D

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