The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Phototaxis of synthetic microswimmers in optical landscapes
Open accessAbstract
Many microorganisms, with phytoplankton and zooplankton as prominent examples, display phototactic behaviour, that is, the ability to perform directed motion within a light gradient. Here we experimentally demonstrate that sensing of light gradients can also be achieved in a system of synthetic photo-activated microparticles being exposed to an inhomogeneous laser field. We observe a strong orientational response of the particles because of diffusiophoretic torques, which in combination with an intensity-dependent particle motility eventually leads to phototaxis. Since the aligning torques saturate at high gradients, a strongly rectified particle motion is found even in periodic asymmetric intensity landscapes. Our results are in excellent agreement with numerical simulations of a minimal model and should similarly apply to other particle propulsion mechanisms. Because light fields can be easily adjusted in space and time, this also allows to extend our approach to dynamical environments.
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Cites
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Cited by
Palagi, S., & Fischer, P. (2018) · Nature Reviews Materials · doi:10.1038/s41578-018-0016-9 · Cited by 716
The 2020 motile active matter roadmap
Gompper, G., Winkler, R. G., Speck, T., Solon, A., Nardini, C., Peruani, F., Löwen, H., Golestanian, R., Kaupp, U. B., Alvarez, L., et al. (2020) · Journal of Physics: Condensed Matter · doi:10.1088/1361-648x/ab6348 · Cited by 468
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Metadata
- Authors
- Lozano, C., ten Hagen, B., Löwen, H., & Bechinger, C.
- Venue
- Nature Communications
- Published
- 2016-09-30
- Volume
- 7
- Issue
- 1
- Pages
- 12828-12828
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2524043285
- Cited by
- 288
- References
- 39
- FWCI
- 18.91
- Type
- journal article
- Language
- en
- Open access
- gold
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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