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Micropumps based on alternating high-gradient magnetic fields

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3 Author(s)
Junho Joung ; Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA ; Shen, Jun ; Grodzinski, P.

A magnetic particle pumping scheme based on high-gradient magnetic fields is proposed, and its operation principle is demonstrated. The pumping action is generated by sequentially displacing the magnetic field distribution and its dragging force on the magnetic particles immersed in a solution. No mechanical moving parts are needed, and thus, the proposed system can provide a fast, reliable, and inexpensive way for on-chip biomedical testing and analysis application. In this paper, the analysis, design, and experimental results are described

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 4 )