International Journal on Magnetic Particle Imaging IJMPI
Vol. 6 No. 2 Suppl 1 (2020): Int J Mag Part Imag

Short Abstracts

Single harmonic based narrow-band magnetic particle imaging

Main Article Content

Klaas Julian Janssen (Technische Universität Braunschweig), Jing Zhong (Technische Universität Braunschweig), Meinhard Schilling (Technische Universität Braunschweig), Frank Ludwig (Technische Universität Braunschweig)

Abstract

In this study, we present a narrow-band Magnetic Particle Imaging (MPI) system based on the measurement of the 3f0 harmonic of magnetic nanoparticles. A spot sample is used to measure the point spread function (PSF). The spatial resolution of the system estimated from the full width at half maximum of the PSF is 2 mm and 2.5 mm in z- and x-direction, respectively. Phantom experiments are performed to demonstrate the feasibility of the proposed method for MPI using a single harmonic. In addition, the experimental results indicate that two lines of the MNP sample with a distance of 3 mm can be distinguished in x- and z-directions. It indicates that the measured spatial resolution is better than 2.5 mm, which fits very well with the estimated spatial resolution from the PSF.

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