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The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.

Swimming by reciprocal motion at low Reynolds number

Open access
Qiu, Tian, Lee, Tung-Chun, Mark, Andrew G., Morozov, Konstantin I., Münster, Raphael, Mierka, Otto, Turek, Stefan, Leshansky, Alexander M., Fischer, Peer·2014·Nature Communications

Abstract

Biological microorganisms swim with flagella and cilia that execute nonreciprocal motions for low Reynolds number (Re) propulsion in viscous fluids. This symmetry requirement is a consequence of Purcell’s scallop theorem, which complicates the actuation scheme needed by microswimmers. However, most biomedically important fluids are non-Newtonian where the scallop theorem no longer holds. It should therefore be possible to realize a microswimmer that moves with reciprocal periodic body-shape changes in non-Newtonian fluids. Here we report a symmetric ‘micro-scallop’, a single-hinge microswimmer that can propel in shear thickening and shear thinning (non-Newtonian) fluids by reciprocal motion at low Re. Excellent agreement between our measurements and both numerical and analytical theoretical predictions indicates that the net propulsion is caused by modulation of the fluid viscosity upon varying the shear rate. This reciprocal swimming mechanism opens new possibilities in designing biomedical microdevices that can propel by a simple actuation scheme in non-Newtonian biological fluids.

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Metadata

Authors
Qiu, T., Lee, T.-C., Mark, A. G., Morozov, K. I., Münster, R., Mierka, O., Turek, S., Leshansky, A. M., & Fischer, P.
Venue
Nature Communications
Published
2014-11-04
Volume
5
Issue
1
Pages
5119-5119
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2060228405
Cited by
437
References
29
FWCI
18.45
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Swimming by reciprocal motion at low Reynolds number. https://app.cochat.ai/papers/10.1038/ncomms6119
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Qiu, T., Lee, T.-C., Mark, A. G., Morozov, K. I., Münster, R., Mierka, O., Turek, S., Leshansky, A. M., & Fischer, P. (2014). Swimming by reciprocal motion at low Reynolds number. Nature Communications. https://doi.org/10.1038/ncomms6119

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