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

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      Author(s)
      Topcu, Atakan
      Date
      2022-03-21
      Source Title
      International Journal on Magnetic Particle Imaging
      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.
      Permalink
      http://hdl.handle.net/11693/111745
      Published Version (Please cite this version)
      https://doi.org/10.18416/IJMPI.2022.2203055
      Collections
      • Aysel Sabuncu Brain Research Center (BAM) 249
      • Department of Electrical and Electronics Engineering 4011
      • National Magnetic Resonance Research Center (UMRAM) 301
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