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Biomedical Engineering / Biomedizinische Technik

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering and the German Society of Biomaterials

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Habibović, Pamela / Haueisen, Jens / Jahnen-Dechent, Wilhelm / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Lenarz, Thomas / Leonhardt, Steffen / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Boenick, Ulrich / Jaramaz, Branislav / Kraft, Marc / Lenthe, Harry / Lo, Benny / Mainardi, Luca / Micera, Silvestro / Penzel, Thomas / Robitzki, Andrea A. / Schaeffter, Tobias / Snedeker, Jess G. / Sörnmo, Leif / Sugano, Nobuhiko / Werner, Jürgen /

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Volume 58, Issue 6

Issues

Volume 57 (2012)

Twenty-fold acceleration of 3D projection reconstruction MPI

Justin J. Konkle
  • Corresponding author
  • Department of Bioengineering, University of California, Berkeley, 340 Hearst Memorial Mining Building, Berkeley, CA 94720-1762, USA
  • Email
  • Other articles by this author:
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/ Patrick W. Goodwill / Emine Ulku Saritas / Bo Zheng / Kuan Lu / Steven M. Conolly
Published Online: 2013-08-13 | DOI: https://doi.org/10.1515/bmt-2012-0062

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.

Keywords: field free line; magnetic particle imaging; projection reconstruction

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About the article

Corresponding author: Justin J. Konkle, Department of Bioengineering, University of California, Berkeley, 340 Hearst Memorial Mining Building, Berkeley, CA 94720-1762, USA, E-mail:


Received: 2013-01-10

Accepted: 2013-07-08

Published Online: 2013-08-13

Published in Print: 2013-12-01


Citation Information: Biomedizinische Technik/Biomedical Engineering, Volume 58, Issue 6, Pages 565–576, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/bmt-2012-0062.

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