Journal Article

FZJ-2024-01420

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png A Novel Field-Free Line Generator for Mechanically Scanned Magnetic Particle Imaging

Kim, T. Y. ; Jeong, J. C. ; Seo, B. S. ; Krause, H.-J. (Corresponding author)FZJ* ; Hong, H. B. (Corresponding author)

2024
MDPI Basel

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Please use a persistent id in citations: doi:10.3390/s24030933  doi:10.34734/FZJ-2024-01420

Abstract: In this study, we propose an efficient field-free line (FFL) generator for mechanically driven FFL magnetic particle imaging (MPI) applications. The novel FFL generator comprises pairs of Halbach arrays and bar magnets. The proposed design generates high-gradient FFLs with low-mass permanent magnets, realizing fine spatial resolutions in MPI. We investigate the magnetic field generated using simulations and experiments. Our results show that the FFL generator yields a high gradient of 4.76 T/m at a cylindrical field of view of 30 mm diameter and a 70 mm open bore. A spatial resolution of less than 3.5 mm was obtained in the mechanically driven FFL-MPI.

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Contributing Institute(s):

1. Bioelektronik (IBI-3)

Research Program(s):

1. 5241 - Molecular Information Processing in Cellular Systems (POF4-524) (POF4-524)

Appears in the scientific report 2024

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