Cited by 289Characterization and Applications of Magnetic NanoparticlesAdvanced MRI Techniques and ApplicationsGeomagnetism and Paleomagnetism Studies

Magnetic particle imaging: current developments and future directions

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Panagiotopoulos, Nikolaos, Vogt, Florian, Barkhausen, Jörg, Buzug, Thorsten M., Duschka, Robert L., Lüdtke-Buzug, Kerstin, Ahlborg, Mandy, Bringout, Gael +6 more·2015·International Journal of Nanomedicine

Abstract

Magnetic particle imaging (MPI) is a novel imaging method that was first proposed by Gleich and Weizenecker in 2005. Applying static and dynamic magnetic fields, MPI exploits the unique characteristics of superparamagnetic iron oxide nanoparticles (SPIONs). The SPIONs' response allows a three-dimensional visualization of their distribution in space with a superb contrast, a very high temporal and good spatial resolution. Essentially, it is the SPIONs' superparamagnetic characteristics, the fact that they are magnetically saturable, and the harmonic composition of the SPIONs' response that make MPI possible at all. As SPIONs are the essential element of MPI, the development of customized nanoparticles is pursued with the greatest effort by many groups. Their objective is the creation of a SPION or a conglomerate of particles that will feature a much higher MPI performance than nanoparticles currently available commercially. A particle's MPI performance and suitability is characterized by parameters such as the strength of its MPI signal, its biocompatibility, or its pharmacokinetics. Some of the most important adjuster bolts to tune them are the particles' iron core and hydrodynamic diameter, their anisotropy, the composition of the particles' suspension, and their coating. As a three-dimensional, real-time imaging modality that is free of ionizing radiation, MPI appears ideally suited for applications such as vascular imaging and interventions as well as cellular and targeted imaging. A number of different theories and technical approaches on the way to the actual implementation of the basic concept of MPI have been seen in the last few years. Research groups around the world are working on different scanner geometries, from closed bore systems to single-sided scanners, and use reconstruction methods that are either based on actual calibration measurements or on theoretical models. This review aims at giving an overview of current developments and future directions in MPI about a decade after its first appearance.

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  • Contrast generation in MPI critically depends on parameters that affect the magnetization response, such as SPION size and size distribution.

    “As an important note, contrast generation in MPI critically depends on the parameters that affect the magnetization response like SPION size and size distribution [113, 114].”

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Research works printed but not linked: 34

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Authors
Panagiotopoulos, N., Vogt, F., Barkhausen, J., Buzug, T. M., Duschka, R. L., Lüdtke-Buzug, K., Ahlborg, M., Bringout, G., Debbeler, C., Gräser, M., Kaethner, C., Stelzner, J., Medimagh, H., & Haegele, J.
Affiliations
  • University Hospital Schleswig-Holstein (DE)
  • University of Lübeck (DE)
Corresponding author
Panagiotopoulos, Nikolaos
Venue
International Journal of Nanomedicine
Published
2015-04
Volume
10
Pages
3097
ISSN
  • 1176-9114 (ISSN-L)
  • 1178-2013
OpenAlex
W2068679287
Cited by
289
References
125
Citations by year
2026: 14 · 2025: 31 · 2024: 27 · 2023: 17 · 2022: 28 · 2021: 25 · 2020: 31 · 2019: 33 · 2018: 32 · 2017: 31 · 2016: 14 · 2015: 6
FWCI
2.15
Type
journal article
Language
en
Open access
Locations
  • International Journal of Nanomedicine (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Dove Medical Press (Taylor and Francis Group) (submittedVersion, cc-by-nc)
Funders
  • European Commission (2007–2013, FP7 2007-2013, 604448, FP7/2007)
  • Bundesministerium für Bildung und Forschung (13N11090)
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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Geomagnetism and Paleomagnetism Studies
Keywords
magnetic particle imaging, superparamagnetic iron oxide nanoparticles, nanoparticle design, magnetic resonance imaging, vascular imaging, targeted imaging, image reconstruction, nanoparticle coating, biocompatibility, pharmacokinetics
MeSH terms
Diagnostic Imaging, Magnetite Nanoparticles

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