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Food and drug administration low‐level extremely‐low‐frequency magnetic field exposure facility
Author(s) -
Davis Christopher C.,
Barber Ian,
Swicord Mays L.
Publication year - 1999
Publication title -
bioelectromagnetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.435
H-Index - 81
eISSN - 1521-186X
pISSN - 0197-8462
DOI - 10.1002/(sici)1521-186x(1999)20:4<203::aid-bem1>3.0.co;2-l
Subject(s) - bioelectromagnetics , food and drug administration , magnetic field , extremely low frequency , field (mathematics) , residual , field strength , nuclear magnetic resonance , biomedical engineering , acoustics , materials science , environmental science , physics , computer science , medicine , environmental health , mathematics , quantum mechanics , pure mathematics , algorithm
We describe the design, construction details, and performance characteristics of an exposure system designed to provide very well controlled extremely‐low‐frequency magnetic field exposures of in vitro samples. This system uses Helmholtz coils placed inside temperature‐controlled μ‐metal chambers to provide simultaneous ac and dc field exposures at any relative angle with minimal residual background field. The system has both exposed and sham‐exposed chambers and is operated under computer control in such a way as to ensure blind exposure of samples. Bioelectromagnetics ;20:203–215, 1999.