Microwire array for giant magneto-impedance detection of magnetic particles for biosensor prototype

被引：70

作者：

Chiriac, Horia

Herea, Dumitru-Daniel

Corodeanu, Sorin

机构：

[1] Natl Inst Res & Dev Tech Phys IFT, Iasi, Romania

[2] Alexandru Ioan Cuza Univ, Iasi 700506, Romania

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 311卷 / 01期

关键词：

biosensor; magneto-impedance; microwires array; magnetic microparticle; magnetic bead;

D O I：

10.1016/j.jmmm.2006.11.207

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new giant magneto-impedance (GMI) biosensor prototype based on a glass-coated microwires array is reported. The optimal measurement conditions and the influence of a liquid suspension of commercially available polymer-based magnetic microparticles on the magneto-impedance (MI) response of the array were studied. The relative change in MI response enlarges as the number of the active microwires increases. The highest variation of 35% was found for 10 active microwires, for a current intensity of 10 mA. Some possible applications of the biosensor prototype are outlined. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：425 / 428

页数：4

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