| Issue |
Europhys. Lett.
Volume 72, Number 4, November 2005
|
|
|---|---|---|
| Page(s) | 527 - 533 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2005-10273-1 | |
| Published online | 12 October 2005 | |
Twirling DNA rings —Swimming nanomotors ready for a kickstart
1
Max-Planck-Institute for Polymer Research, Theory Group P.O. Box 3148, D 55021 Mainz, Germany
2
Department of Physics and Astronomy, University of Pennsylvania Philadelphia, PA 19104, USA
3
Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, 400076, India
4
Instituut-Lorentz, Universiteit Leiden - Postbus 9506 2300 RA Leiden, The Netherlands
Received:
21
March
2005
Accepted:
20
September
2005
We propose a rotary DNA nanomachine that shows a continuous
rotation with a frequency of around 100
. This motor consists of
a DNA ring whose elastic features are tuned such that it can be
externally driven via a periodic temperature change. As a result,
the ring propels itself through the fluid with a speed up to tens
of nanometers per second.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 47.15.Gf – Low-Reynolds-number (creeping) flows / 87.15.He – Dynamics and conformational changes
© EDP Sciences, 2005
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