Magneto-impedance sensor for biomedical applications

Issue title: Proceedings of the twelfth International Symposium on Interdisciplinary Electromagnetic, Mechanic and Biomedical Problems, ISEM Bad Gastein

Article type: Research Article

Authors: Chiriac, Horia^{a; *} | Herea, Dumitru-Daniel^{a; b}

Affiliations: [a] National Institute of Research-Development for Technical Physics-IFT, 47 Mangeron Boulevard, 700050 Iasi, Romania | [b] Al. I. Cuza University, 11 Carol I Boulevard, 700506 Iasi, Romania

Correspondence: [*] Corresponding author. Tel.: +40 232 430680; Fax: +40 232 231132; E-mail: [email protected]

Abstract: A giant-magnetoimpedance-based biosensor prototype was designed and tested by using simple glass-coated amorphous microwires and copolymer-functionalized glass-coated amorphous microwires as sensing elements, as well as two different types of magnetic microparticles as perturbating agents for the external d.c. magnetic field. The influence of the two types of microparticles and the geometry of the d.c. excitation external magnetic field on the magneto-impedance (MI) of the amorphous microwire have been studied. This type of magnetic biosensor prototype will be useful in biomolecule detection techniques.

Keywords: Magnetic sensor, magnetic markers, biomedical applications, GMI effect

DOI: 10.3233/JAE-2007-746

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 25, no. 1-4, pp. 453-459, 2007