Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields

Wittbracht F, Weddemann A, Eickenberg B, Zahn M, Hütten A (2012)
Applied Physics Letters 100(12): 123507.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
The exposure of a highly concentrated suspension of magnetic beads in a carrier liquid to a homogeneous magnetic field results in the formation of magnetic bead superstructures due to dipolar interactions. We present a microfluidic system which employs such agglomerates to simultaneously allow for mixing and separation applications. Within the chosen structure, an increase of the diffusivity of about 32% was observed and further a separation efficiency of about 80% is achieved for flow rates up to 100 mu m/s. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3696886]
Erscheinungsjahr
2012
Zeitschriftentitel
Applied Physics Letters
Band
100
Ausgabe
12
Art.-Nr.
123507
ISSN
0003-6951
Page URI
https://pub.uni-bielefeld.de/record/2493183

Zitieren

Wittbracht F, Weddemann A, Eickenberg B, Zahn M, Hütten A. Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields. Applied Physics Letters. 2012;100(12): 123507.
Wittbracht, F., Weddemann, A., Eickenberg, B., Zahn, M., & Hütten, A. (2012). Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields. Applied Physics Letters, 100(12), 123507. doi:10.1063/1.3696886
Wittbracht, F., Weddemann, A., Eickenberg, B., Zahn, M., and Hütten, A. (2012). Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields. Applied Physics Letters 100:123507.
Wittbracht, F., et al., 2012. Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields. Applied Physics Letters, 100(12): 123507.
F. Wittbracht, et al., “Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields”, Applied Physics Letters, vol. 100, 2012, : 123507.
Wittbracht, F., Weddemann, A., Eickenberg, B., Zahn, M., Hütten, A.: Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields. Applied Physics Letters. 100, : 123507 (2012).
Wittbracht, Frank, Weddemann, Alexander, Eickenberg, Bernhard, Zahn, M., and Hütten, Andreas. “Enhanced fluid mixing and separation of magnetic bead agglomerates based on dipolar interaction in rotating magnetic fields”. Applied Physics Letters 100.12 (2012): 123507.

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