Analysis and utilization of Joule heating in an electromagnet integrated microfluidic device for biological applications

Suk Heung Song, Bong Seop Kwak, Hyo il Jung

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Joule heating in the electromagnetic cell sorting system is problematic. Our micro-device was fabricated for the rapid separation by high magnetic field gradients of electromagnet and dissipates the Joule heat energy that causes unnecessary heat-up in the device. By using a cooling channel embedded in microfluidic channel, Joule heat can be reduced to dissipate thermal energy to an active area of a microfluidic channel and maintain the temperature of device biocompatible, e.g. 37 °C. We analyzed the temperature distribution of the device using numerical model and compared with the experimental data. Finally, we demonstrated the magnetic beads separation and obtained the separation efficiency of 97%.

Original languageEnglish
JournalCurrent Applied Physics
Volume9
Issue number4 SUPPL.
DOIs
Publication statusPublished - 2009 Jul 1

Fingerprint

Electromagnets
electromagnets
Joule heating
microfluidic devices
Microfluidics
heat
Magnetic separation
Thermal energy
Sorting
Numerical models
Temperature distribution
classifying
Cells
thermal energy
beads
Magnetic fields
Cooling
temperature distribution
electromagnetism
cooling

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

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abstract = "Joule heating in the electromagnetic cell sorting system is problematic. Our micro-device was fabricated for the rapid separation by high magnetic field gradients of electromagnet and dissipates the Joule heat energy that causes unnecessary heat-up in the device. By using a cooling channel embedded in microfluidic channel, Joule heat can be reduced to dissipate thermal energy to an active area of a microfluidic channel and maintain the temperature of device biocompatible, e.g. 37 °C. We analyzed the temperature distribution of the device using numerical model and compared with the experimental data. Finally, we demonstrated the magnetic beads separation and obtained the separation efficiency of 97{\%}.",
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Analysis and utilization of Joule heating in an electromagnet integrated microfluidic device for biological applications. / Song, Suk Heung; Kwak, Bong Seop; Jung, Hyo il.

In: Current Applied Physics, Vol. 9, No. 4 SUPPL., 01.07.2009.

Research output: Contribution to journalArticle

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