Self-consistent magnetic properties of magnetite tracers optimized for magnetic particle imaging measured by ac susceptometry, magnetorelaxometry and magnetic particle spectroscopy
نویسندگان
چکیده
منابع مشابه
Sub-Kelvin ac magnetic susceptometry.
Designing an apparatus for experiments that operate deep into the milliKelvin regime requires a careful selection of materials and construction techniques, and often entails balancing mutually contradictory requirements. In the case of magnetic susceptibility measurements, this involves choosing materials that realize both high thermal conductivity for good heat sinking and low electrical condu...
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PURPOSE Magnetic particle imaging (MPI), using magnetite nanoparticles (MNPs) as tracer material, shows great promise as a platform for fast tomographic imaging. To date, the magnetic properties of MNPs used in imaging have not been optimized. As nanoparticle magnetism shows strong size dependence, the authors explore how varying MNP size impacts imaging performance in order to determine optima...
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Magnetic Particle Imaging (MPI) is a quantitative mass-sensitive, tracer-based imaging technique, with potential applications in various cellular imaging applications. The spatial resolution of MPI, in the first approximation, improves by decreasing the full width at half maximum (FWHM) of the field-derivative of the magnetization, dm/dH of the nanoparticle (NP) tracers. The FWHM of dm/dH depen...
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Kurzfassung. Magnetic Particle Imaging ist ein neues bilgebendes Verfahren zur Darstellung der räumlichen Verteilung von magnetisierbaren Nanopartikeln. In einer Simulationsstudie wurde zuletzt das Auflösungsvermögen und die Sensitivität dieser Methode untersucht. Die Abtasttrajektorie wurde dabei so gewählt, dass der Messbereich deutlich überabgetastet wurde. In dieser Arbeit wird in einer Sim...
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ژورنال
عنوان ژورنال: Journal of Magnetism and Magnetic Materials
سال: 2014
ISSN: 0304-8853
DOI: 10.1016/j.jmmm.2014.02.020