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Magn Reson Med. 1992 Feb;23(2):383-5.

Tissue conductivity modifies the magnetic resonance intrinsic signal-to-noise ratio at high frequencies.

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  • University of Rochester School of Medicine and Dentistry, Department of Radiology, New York 14642.

Abstract

Inclusion of a frequency-dependent tissue conductivity in the calculation of the magnetic resonance imaging signal-to-noise ratio is considered. The linear dependence on field strength described previously by Edelstein is preserved for frequencies up to approximately 60 MHz. At higher frequencies, tissue conductivity effects become significant.

PMID:
1549053
[PubMed - indexed for MEDLINE]
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