Noninvasive measurements of magnetic field generated by induced current within human body under exposure to very low frequency electromagnetic fields

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5 Citations (Scopus)

Abstract

We have developed a measurement system for a magnetic field that is generated by the induced ionic current within the human body under exposure to very low frequency electromagnetic fields, and compared the magnetic field strength obtained with those of a magnetomyogram (MMG). The developed system consists of an exposure coil, a magnetic sensor, a lock-in detector, and data acquisition. The waveform characteristics of the magnetic field of the induced current (MFIC) of the abdomen from 1 kHz to 400 Hz are obtained. Compared with the magnetic field strength of abdominal MMG, abdominal MFIC is stronger at an exposure electromagnetic field greater than the μ,T order.

Original languageEnglish
Pages (from-to)L532-L534
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume44
Issue number16-19
DOIs
Publication statusPublished - Dec 1 2005

Keywords

  • Induced current
  • Magnetic sensor
  • Magnetomyogram
  • SQUID
  • Very low frequency

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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