Issue 6, 2022

DNA nanotechnology-empowered finite state machines

Abstract

A finite state machine (FSM, or automaton) is an abstract machine that can switch among a finite number of states in response to temporally ordered inputs, which allows storage and processing of information in an order-sensitive manner. In recent decades, DNA molecules have been actively exploited to develop information storage and nanoengineering materials, which hold great promise for smart nanodevices and nanorobotics under the framework of FSM. In this review, we summarize recent progress in utilizing DNA self-assembly and DNA nanostructures to implement FSMs. We describe basic principles for representative DNA FSM prototypes and highlight their advantages and potential in diverse applications. The challenges in this field and future directions have also been discussed.

Graphical abstract: DNA nanotechnology-empowered finite state machines

Article information

Article type
Minireview
Submitted
04 Febr. 2022
Accepted
25 Apr. 2022
First published
29 Apr. 2022

Nanoscale Horiz., 2022,7, 578-588

DNA nanotechnology-empowered finite state machines

S. Cao, F. Wang, L. Wang, C. Fan and J. Li, Nanoscale Horiz., 2022, 7, 578 DOI: 10.1039/D2NH00060A

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