On the direct employment of dipolar particle interaction in microfluidic systems |
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| Authors: | Frank Wittbracht Alexander Weddemann Bernhard Eickenberg Andreas Hütten |
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| Affiliation: | 1. Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, PB 100131, 33501, Bielefeld, Germany
2. Department of Electrical Engineering and Computer Science, Research Laboratory of Electronics/Laboratory for Electromagnetic and Electronic Systems, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
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| Abstract: | This review article will summarize recent developments in the employment of dipolar coupled magnetic particle structures. We will discuss the basics of magnetic dipolar particle interaction in static and rotating magnetic fields. In dependence on the magnetic fields employed, agglomerates of different dimensionality may form within the carrier liquid. The stability and formation dynamics of these particle structures will be presented. Furthermore, we will review recent microfluidic applications based on the interaction of magnetic particles and present methods for surface patterning with micron-sized and nano-sized particles which employ dipolar particle coupling. |
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