Magnetic microbead detection using the planar Hall effect

被引：66
作者：
Ejsing, L
Hansen, MF
Menon, AK
Ferreira, HA
Graham, DL
Freitas, PP
机构：
[1] Tech Univ Denmark, Dept Micro & Nanotechnol, DK-2800 Lyngby, Denmark
[2] INESC, MN, P-1000029 Lisbon, Portugal
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 293卷 / 01期
关键词：
Hall effect (planar); micromer-M; magnetic sensor; biosensor; permalloy (Ni80Fe20); MnIr (Mn76Ir24); detection of microspheres;
D O I：
10.1016/j.jmmm.2005.02.071
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic sensors based on the planar Hall effect of exchanged-biased permalloy have been fabricated and characterized. It is demonstrated that the sensors are feasible for detecting just a few commercial 2.0 mu m magnetic beads commonly used for bioseparation (Micromer-M, Micromod, Germany) and that the sensor sense current is sufficient to generate a signal from the beads. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：677 / 684
页数：8
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