Dynamic Aggregation of Chiral Spinners
Abstract
An object spinning at the surface of a liquid creates a chiral vortex. If the spinning object is itself chiral, its shape modifies the characteristics of the vortex; interactions between that vortex and other vortices then depend on the chirality of the objects that produce them. This paper describes the aggregation of millimeter-sized, chiral magnetized plates floating at a liquid-air interface and rotating under the influence of a rotating external magnetic field. This external field confines all the plates at densities that cause the vortices they generate to interact strongly. For one set of plates investigated, plates of one chirality attract one another, and plates of the other chirality repel other plates of both chiralities.
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Fluid flows can discriminate not only large chiral objects, but also helical bacteria, colloidal particles, and supramolecular aggregates.
“A few experimental reports indicate that fluid flows can discriminate not only large chiral objects, 140-142 but also helical bacteria, 143 colloidal particles, 144 and supramolecular aggregates.145,146”
From Possible chemical and physical scenarios towards biological homochirality (2022) · cites this paper as [140]
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Possible chemical and physical scenarios towards biological homochirality
Sallembien, Q., Bouteiller, L., Crassous, J., & Raynal, M. (2022) · Chemical Society Reviews · doi:10.1039/d1cs01179k · Cited by 186 · see citing works
Vortex flows impart chirality-specific lift forces
Hermans, T. M., Bishop, K. J. M., Stewart, P. S., Davis, S. H., & Grzybowski, B. A. (2015) · Nature Communications · doi:10.1038/ncomms6640 · Cited by 52 · see citing works
Self-citation
- Authors
- Grzybowski, B. A., & Whitesides, G. M.
- Affiliations
- Harvard University (US)
- Corresponding author
- Grzybowski, Bartosz A.
- Whitesides, George M.
- Venue
- Science
- Published
- 2002-04-26
- Volume
- 296
- Issue
- 5568
- Pages
- 718-721
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2062721589
- Cited by
- 94
- References
- 0
- Citations by year
- 2026: 1 · 2025: 9 · 2024: 1 · 2023: 4 · 2022: 7 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 7 · 2017: 5 · 2016: 4 · 2015: 4 · 2014: 4 · 2013: 3 · 2012: 3
- FWCI
- 1.72
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Scholarworks@UNIST (Ulsan National Institute of Science and Technology) (submittedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Micro and Nano Robotics
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Turbulent Flows
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Orbital Angular Momentum in Optics
- Keywords
- vortex interaction, aggregation, liquid-air interface, rotating magnetic field
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Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
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