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Conference paper

Magneto-optical detection of magnetic nanobeads in a microfluidic channel

In Proceedings of the 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences — 2013, pp. 272-274

By Donolato, Marco1,2; Vavassori, Paolo3; Hansen, Mikkel Fougt1,2,4

From

Department of Micro- and Nanotechnology, Technical University of Denmark1

Magnetic Systems, Department of Micro- and Nanotechnology, Technical University of Denmark2

Ikerbasque Basque Foundation for Science3

Department of Physics, Technical University of Denmark4

We report on the measurement of the Browinan relaxation frequency of a magnetic nanobeads suspension in microfluidic system using a novel magneto-optical method. We demonstrate that by lock-in analysis of the signal produced on a photodetector by the light transmitted through the particle suspension excited by an uniaxial AC magnetic field, it is possible to precisely record the frequency response of commercial magnetic nanobeads in a microfluidic channel.

Language: English
Publisher: Chemical and Biological Microsystems Society
Year: 2013
Pages: 272-274
Proceedings: 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences
ISBN: 0979806461 and 9780979806469
Types: Conference paper
ORCIDs: Hansen, Mikkel Fougt
Keywords

Magnetic nanobeads Optical biosensing

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