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Cited by 225

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A Single DNA Molecule Nanomotor

Li, Jianwei J., Tan, Weihong·2002·Nano Letters
DOI 10.1021/nl015713+
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Abstract

Nanomotors consisting of single protein molecules are abundant in living systems. Here we report a nanomotor made of a single DNA molecule. The DNA nanomotor can adopt two distinct conformations, intramolecular tetraplex and intermolecular duplex. The nanomotor switches between the two conformations through alternating DNA hybridization and strand exchange reactions, which enables the nanomotor to perform an inchworm like extending−shrinking motion. When the single molecule nanomotor is loaded with two organic molecules, a fluorophore and a quencher, the motion can be viewed in real time by monitoring the fluorescent signal. The DNA nanomotor functions efficiently both in solution and on nanoparticle surfaces. Its simple yet stable structure, convenient operation, and high efficiency may make the DNA nanomotor practically useful for powering nanosystems in future applications.

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Metadata

Authors
Li, J. J., & Tan, W.
Venue
Nano Letters
Publisher
American Chemical Society (ACS)
Published
2002-02-07
Volume
2
Issue
4
Pages
315-318
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
DOI
10.1021/nl015713+
OpenAlex
W1969387036
Cited by
225
References
0
FWCI
5.51
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Single DNA Molecule Nanomotor. https://app.cochat.ai/papers/10.1021/nl015713+
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Li, J. J., & Tan, W. (2002). A Single DNA Molecule Nanomotor. Nano Letters. https://doi.org/10.1021/nl015713%2B

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.