A giant magnetoimpedance-based separable-type method for supersensitive detection of 10 magnetic beads at high frequency
Sensors and Actuators A: Physical(2019)
摘要
•Detection of 10 magnetic beads is realized by using a separable-type method based on high-frequency (∼120 MHz) GMI effect.•A microcavity is fabricated by using Micro-nano carving technology.•Theoretical model of the magnetic induction intensity of the magnetic bead is built.•Theoretical model of the surface magnetic fields of the GMI sensor is established.
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关键词
Sensitive detection,Dynabeads,Giant magnetoimpedance,High frequency,Microcavity
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