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Flow-Enhanced Nonlinear Magnetophoresis for High-Resolution Bioseparation
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| File | Description | Size | Format | |
|---|---|---|---|---|
| revised_manuscript_for_Langmuir_14-03-2011.pdf | 1.79 MB | Adobe PDF | Download |
| Title: | Flow-Enhanced Nonlinear Magnetophoresis for High-Resolution Bioseparation | Authors: | Li, Peng Mahmood, Aamer Lee, Gil U. |
Permanent link: | http://hdl.handle.net/10197/8377 | Date: | 20-Apr-2011 | Abstract: | A new mode of transport is described that was capable of high-resolution separation of superparamagnetic materials from complex mixtures based on their size. Laminar flow and a rotating external magnetic field were applied to superparamagnetic beads assembled on a semiperiodic micromagnet array. Beads at the edge of the micromagnet array oscillated in-phase with the external magnetic field with an amplitude that decreased with increasing frequency, omega, until they reached an immobilization frequency, omega(nu) where the beads stopped moving. Laminar flow along the edge of the array could be tuned to sweep the beads for which omega omega(i) undisturbed. Flow-enhanced nonlinear magnetophoresis (F-NLM) promises to enable multiple superparamagnetc bead types to be used in the fractionation of cells and implementation of diagnostic assays. | Funding Details: | Irish Research Council for Science, Engineering and Technology Science Foundation Ireland |
Type of material: | Journal Article | Publisher: | American Chemical Society | Copyright (published version): | 2011 American Chemical Society | Keywords: | Monoclonal-antibodies; Bone-marrow; Cells; Microspheres; Separations; Mixtures; Magnetic separation; Magnetophoresis; Superparamagnetic beads; Micro-magnet arrays; Diagnostic assays; Cell separation; Lab-on-a-chip | DOI: | 10.1021/la105126n | Language: | en | Status of Item: | Peer reviewed |
| Appears in Collections: | Medicine Research Collection |
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