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      Twenty-fold acceleration of 3D projection reconstruction MPI

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      Author
      Konkle, J.
      Goodwill, P.
      Sarıtaş, Emine Ülkü
      Zheng, B.
      Lu, K.
      Conolly, S.
      Date
      2013
      Source Title
      Biomedical Engineering / Biomedizinische Technik
      Print ISSN
      1862-278X
      Publisher
      De Gruyter
      Volume
      58
      Issue
      6
      Pages
      565
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      We experimentally demonstrate a 20-fold improvement in acquisition time in projection reconstruction (PR) magnetic particle imaging (MPI) relative to the state-of-the-art PR MPI imaging results. We achieve this acceleration in our imaging system by introducing an additional Helmholtz electromagnet pair, which creates a slow shift (focus) field. Because of magnetostimulation limits in humans, we show that scan time with three-dimensional (3D) PR MPI is theoretically within the same order of magnitude as 3D MPI with a field free point; however, PR MPI has an order of magnitude signal-to-noise ratio gain.
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      http://hdl.handle.net/11693/53583
      Published Version (Please cite this version)
      https://doi.org/10.1515/bmt-2012-0062
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