Cited by 651Characterization and Applications of Magnetic NanoparticlesAdvanced MRI Techniques and ApplicationsPhotoacoustic and Ultrasonic Imaging

Three-dimensional real-time in vivo magnetic particle imaging

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Weizenecker, J, Gleich, B, Rahmer, J, Dahnke, H, Borgert, J·2009·Physics in Medicine and Biology

Abstract

Magnetic particle imaging (MPI) is a new tomographic imaging method potentially capable of rapid 3D dynamic imaging of magnetic tracer materials. Until now, only dynamic 2D phantom experiments with high tracer concentrations have been demonstrated. In this letter, first in vivo 3D real-time MPI scans are presented revealing details of a beating mouse heart using a clinically approved concentration of a commercially available MRI contrast agent. A temporal resolution of 21.5 ms is achieved at a 3D field of view of 20.4 x 12 x 16.8 mm(3) with a spatial resolution sufficient to resolve all heart chambers. With these abilities, MPI has taken a huge step toward medical application.

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  • Upon surface modification, superparamagnetic iron oxide nanoparticles (SPION) can be employed for magnetic resonance imaging, magnetic particle imaging, targeted delivery of drugs, proteins, antibodies and nucleic acids, hyperthermia, biosensing, tissue repair, and separation of biomolecules.

    “Upon surface-modification, the resulting superparamagnetic iron oxide nanoparticles (SPION) can be employed for magnetic resonance imaging (MRI) [4–8], magnetic particle imaging (MPI) [9–12], targeted delivery of drugs, proteins, antibodies, and nucleic acids [6, 7, 13, 14], hyperthermia [15–17], biosensing [18], tissue repair [19], and separation of biomolecules [20].”

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Authors
Weizenecker, J., Gleich, B., Rahmer, J., Dahnke, H., & Borgert, J.
Affiliations
Philips (Germany) (DE)
Venue
Physics in Medicine and Biology
Published
2009-02-10
Volume
54
Issue
5
Pages
L1-L10
ISSN
  • 0031-9155 (ISSN-L)
  • 1361-6560
OpenAlex
W2151752675
Cited by
651
References
27
Citations by year
2026: 27 · 2025: 40 · 2024: 39 · 2023: 24 · 2022: 36 · 2021: 38 · 2020: 36 · 2019: 37 · 2018: 46 · 2017: 58 · 2016: 41 · 2015: 53 · 2014: 26 · 2013: 47 · 2012: 47
FWCI
20.43
Type
journal article
Language
en
Open access
Locations
  • Physics in Medicine and Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Bundesministerium für Bildung und Forschung (13N9079, FKZ 13N9079)
  • Universitätsklinikum Hamburg-Eppendorf
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Characterization and Applications of Magnetic Nanoparticles
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Physical Sciences › Engineering › Biomedical Engineering › Photoacoustic and Ultrasonic Imaging
Keywords
magnetic particle imaging, in vivo imaging, cardiac imaging, MRI contrast agents, magnetic tracers, temporal resolution, cardiac chambers
MeSH terms
Animals, Contrast Media, Female, Magnetic Resonance Imaging, Phantoms, Imaging, Imaging, Three-Dimensional, Mice

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