Rapid microfluidic separation of magnetic beads through dielectrophoresis and magnetophoresis.

@article{Krishnan2009RapidMS,
  title={Rapid microfluidic separation of magnetic beads through dielectrophoresis and magnetophoresis.},
  author={Jegatha Nambi Krishnan and Choong Ik Kim and Hyun Jik Park and Ji Yoon Kang and Tae Song Kim and Sang Kyung Kim},
  journal={Electrophoresis},
  year={2009},
  volume={30 9},
  pages={
          1457-63
        }
}
We present the design and fabrication of a new microfluidic device in which the dielectrophoresis and magnetophoresis phenomena were used for the separation of the superparamagnetic microbeads of different sizes. By exploiting the fact that two different particles can exhibit different dielectrophoretic force-frequency spectra, we utilize this device to perform multiplex detection from a single sample solution. We found the transition frequency range for 1, 2.8, and 4.5 microm magnetic beads… CONTINUE READING
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