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http://dx.doi.org/10.4283/JKMS.2015.25.1.016

Detection Property of Red Blood Cell-Magnetic Beads Using Micro Coil-Channeland GMR-SV Device  

Park, Ji-Soo (Department of Oriental Biomedical Engineering, Sangji University)
Kim, Nu-Ri (Department of Oriental Biomedical Engineering, Sangji University)
Jung, Hyun-Jun (Department of Oriental Biomedical Engineering, Sangji University)
Lee, Sang-Suk (Department of Oriental Biomedical Engineering, Sangji University)
Publication Information
Journal of the Korean Magnetics Society / v.25, no.1, 2015 , pp. 16-21 More about this Journal
Abstract
The micro device, coil, and channel for the biosensor integrated with the GMR-SV device based on the antiferromagnetic IrMn layer was fabricated by the light lithography process. When RBCs coupled with several magnetic beads with a diameter of $1{\mu}m$ passed on the micro channel, the movement of $RBC+{\mu}Beads$ is controlled by the electrical AC input signal. The $RBC+{\mu}Beads$ having a micro-magnetic field captured above the GMR-SV device is changed as the output signals for detection status. From these results, the GMR-SV device having the width magnitude of a few micron size can be applied as the biosensor for the analysis of a new magnetic property as the membrane's deformation of RBC coupled to magnetic beads.
Keywords
GMR(giant magnetoresistance)-SV(spin valve) device; micro coil; channel; biosensor; RBC (red blood cell); magnetic bead;
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Times Cited By KSCI : 7  (Citation Analysis)
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