Scanning high-Tc SQUID imaging system for magnetocardiography

Hong Chang Yang; Tsung Yeh Wu; Herng Er Horng; Chau Chung Wu; S. Y. Yang; Shu Hsien Liao; Chiu Hsien Wu; J. T. Jeng; J. C. Chen; Kuen Lin Chen; M. J. Chen

doi:10.1088/0953-2048/19/5/S28

Scanning high-T_c SQUID imaging system for magnetocardiography

Hong Chang Yang^*, Tsung Yeh Wu, Herng Er Horng, Chau Chung Wu, S. Y. Yang, Shu Hsien Liao, Chiu Hsien Wu, J. T. Jeng, J. C. Chen, Kuen Lin Chen, M. J. Chen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

A scanning magnetocardiography (MCG) system constructed from SQUID sensors offers potential to basic or clinical research in biomagnetism. In this work, we study a first order scanning electronic high-T_c (HTS) SQUID MCG system for biomagnetic signals. The scanning MCG system was equipped with an x-y translation bed powered by step motors. Using noise cancellation and μ-metal shielding, we reduced the noise level substantially. The established scanning HTS MCG system was used to study the magnetophysiology of hypercholesterolaemic (HC) rabbits. The MCG data of HC rabbits were analysed. The MCG contour map of HC rabbits provides experimental models for the interpretation of human cardiac patterns.

Original language	English
Pages (from-to)	S297-S302
Journal	Superconductor Science and Technology
Volume	19
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/19/5/S28
Publication status	Published - 2006 May

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/19/5/S28

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title = "Scanning high-Tc SQUID imaging system for magnetocardiography",

abstract = "A scanning magnetocardiography (MCG) system constructed from SQUID sensors offers potential to basic or clinical research in biomagnetism. In this work, we study a first order scanning electronic high-Tc (HTS) SQUID MCG system for biomagnetic signals. The scanning MCG system was equipped with an x-y translation bed powered by step motors. Using noise cancellation and μ-metal shielding, we reduced the noise level substantially. The established scanning HTS MCG system was used to study the magnetophysiology of hypercholesterolaemic (HC) rabbits. The MCG data of HC rabbits were analysed. The MCG contour map of HC rabbits provides experimental models for the interpretation of human cardiac patterns.",

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AU - Yang, Hong Chang

AU - Wu, Tsung Yeh

AU - Horng, Herng Er

AU - Wu, Chau Chung

AU - Yang, S. Y.

AU - Liao, Shu Hsien

AU - Wu, Chiu Hsien

AU - Jeng, J. T.

AU - Chen, J. C.

AU - Chen, Kuen Lin

AU - Chen, M. J.

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Scanning high-T_c SQUID imaging system for magnetocardiography

Abstract

ASJC Scopus subject areas

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