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  Focusing and sorting of ellipsoidal magnetic particles in microchannels

Matsunaga, D., Meng, F., Zöttl, A., Golestanian, R., & Yeomans, J. M. (2017). Focusing and sorting of ellipsoidal magnetic particles in microchannels. Physical Review Letters, 119(19): 198002. doi:10.1103/PhysRevLett.119.198002.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-7148-F Version Permalink: http://hdl.handle.net/21.11116/0000-0001-7149-E
Genre: Journal Article

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Matsunaga, D., Author
Meng, F., Author
Zöttl, A., Author
Golestanian, Ramin1, Author              
Yeomans, J. M., Author
Affiliations:
1Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2570692              

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 Abstract: We present a simple method to control the position of ellipsoidal magnetic particles in microchannel Poiseuille flow at low Reynolds number using a static uniform magnetic field. The magnetic field is utilized to pin the particle orientation, and the hydrodynamic interactions between ellipsoids and channel walls allow control of the transverse position of the particles. We employ a far-field hydrodynamic theory and simulations using the boundary element method and Brownian dynamics to show how magnetic particles can be focused and segregated by size and shape. This is of importance for particle manipulation in lab-on-a-chip devices. © 2017 American Physical Society.

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Language(s): eng - English
 Dates: 2017-11-082017-11-10
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.119.198002
BibTex Citekey: Matsunaga2017
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Title: Physical Review Letters
Source Genre: Journal
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Pages: 5 Volume / Issue: 119 (19) Sequence Number: 198002 Start / End Page: - Identifier: -