Vicinity effects of field free point on the relaxation behavior of MNPs

Date
2022-03-21
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Source Title
International Journal on Magnetic Particle Imaging
Print ISSN
Electronic ISSN
2365-9033
Publisher
Infinite Science Publishing
Volume
8
Issue
1 Suppl 1
Pages
1 - 3
Language
English
Type
Article
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Abstract

In Magnetic Particle Imaging (MPI), the distribution of magnetic nanoparticles (MNPs) is imaged by moving a field free point (FFP) in space. All MNPs in close vicinity of the FFP contribute to the signal induced on the receive coil. The relaxation behavior of these MNPs are subject to a DC field due to the selection field (SF). In this work, we investigate the effects of the DC field on the relaxation behavior of the MNPs, with the goal of understanding the differences between the measured relaxations in Magnetic Particle Spectrometer (MPS) setups vs. MPI scanners.

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Published Version (Please cite this version)