Scanning high-Tc SQUID imaging system for magnetocardiography

Hong-Chang Yang, Tsung Yeh Wu, Herng-Er Horng, Chau Chung Wu, Shieh-Yueh Yang, Shu-Hsien Liao, Chiu Hsien Wu, J. T. Jeng, J. C. Chen, Kuen Lin Chen, M. J. Chen

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)


    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.

    Original languageEnglish
    JournalSuperconductor Science and Technology
    Issue number5
    Publication statusPublished - 2006 May 1

    ASJC Scopus subject areas

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

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