TITLE

Magnetic ratchet for biotechnological applications

AUTHOR(S)
Auge, A.; Weddemann, A.; Wittbracht, F.; Hütten, A.
PUB. DATE
May 2009
SOURCE
Applied Physics Letters;5/4/2009, Vol. 94 Issue 18, p183507
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Transport and separation of magnetic beads are important in “lab on a chip” environments for biotechnological applications. One possible solution for this is the on-off ratchet concept. An asymmetric magnetic potential and Brownian motion of magnetic beads are required for such a ratchet. The asymmetric magnetic potential is achieved by combining an external magnetic field with a spatially periodic array of conducting lines. In this work finite element method simulations are carried out to design this asymmetric potential and to evaluate transport rates. Furthermore, experiments are carried out so as to compare to the simulation results.
ACCESSION #
39354707

 

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