Mark D. Tarn
On-chip diamagnetic repulsion in continuous flow
Tarn, Mark D.; Hirota, Noriyuki; Iles, Alexander; Pamme, Nicole
Authors
Noriyuki Hirota
Alexander Iles
Nicole Pamme
Abstract
We explore the potential of a microfluidic continuous flow particle separation system based on the repulsion of diamagnetic materials from a high magnetic field. Diamagnetic polystyrene particles in paramagnetic manganese (II) chloride solution were pumped into a microfluidic chamber and their deflection behaviour in a high magnetic field applied by a superconducting magnet was investigated. Two particle sizes (5 and 10 mu m) were examined in two concentrations of MnCl2 (6 and 10%). The larger particles were repelled to a greater extent than the smaller ones, and the effect was greatly enhanced when the particles were suspended in a higher concentration of MnCl2. These findings indicate that the system could be viable for the separation of materials of differing size and/or diamagnetic susceptibility, and as such could be suitable for the separation and sorting of small biological species for subsequent studies.
Citation
Tarn, M. D., Hirota, N., Iles, A., & Pamme, N. (2009). On-chip diamagnetic repulsion in continuous flow. Science and Technology of Advanced Materials, 10(1), 014611 - 014611. https://doi.org/10.1088/1468-6996/10/1/014611
Journal Article Type | Article |
---|---|
Acceptance Date | May 22, 2009 |
Online Publication Date | Jan 12, 2016 |
Publication Date | May 22, 2009 |
Journal | SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS |
Print ISSN | 1468-6996 |
Electronic ISSN | 1878-5514 |
Publisher | National Institute for Materials Science |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 1 |
Pages | 014611 - 014611 |
DOI | https://doi.org/10.1088/1468-6996/10/1/014611 |
Public URL | https://hull-repository.worktribe.com/output/391402 |
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