Articles | Volume 20
21 Mar 2023
 | 21 Mar 2023

Towards Steering Magnetic Nanoparticles in Drug Targeting Using a Linear Halbach Array

Angelika S. Thalmayer, Samuel Zeising, Maximilian Lübke, and Georg Fischer

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Towards Differential Static Magnetic Localization of Commercial Capsule Endoscopes: An Evaluation Using Different Ring and Cylindrical Magnets
Samuel Zeising, Lu Chen, Angelika Thalmayer, Georg Fischer, and Jens Kirchner
Adv. Radio Sci., 20, 105–112,,, 2023
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Innovative Differential Magnetic Localization Method for Capsule Endoscopy to Prevent Interference Caused by the Geomagnetic Field
Samuel Zeising, Daisuke Anzai, Angelika Thalmayer, Georg Fischer, and Jens Kirchner
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Cited articles

Alexiou, C., Diehl, D., Henninger, P., Iro, H., Rockelein, R., Schmidt, W., and Weber, H.: A High Field Gradient Magnet for Magnetic Drug Targeting, IEEE T. Appl. Supercon., 16, 1527–1530,, 2006. a, b
Alnaimat, F., Karam, S., Mathew, B., and Mathew, B.: Magnetophoresis and Microfluidics: A Great Union, IEEE Nanotechnol. Mag., 14, 24–41,, 2020. a
Baun, O. and Blümler, P.: Permanent magnet system to guide superparamagnetic particles, J. Magn. Magn. Mater., 439, 294–304,, 2017. a, b, c, d
Bjørk, R. and Insinga, A. R.: A topology optimized switchable permanent magnet system, J. Magn. Magn. Mater., 465, 106–113,, 2018. a
Bjørk, R., Bahl, C., Smith, A., and Pryds, N.: Comparison of adjustable permanent magnetic field sources, J. Magn. Magn. Mater., 322, 3664–3671,, 2010. a, b
Short summary
We investigated two different arrangements of Halbach arrays for steering magnetic nanoparticles in cancer therapy. The arrays are arranged with permanent magnets where the strong and weak magnetic sides can be changed by rotating the single magnets. For deriving the magnetic force, two different fitting functions were analyzed and compared. Summarized, the magnetic force and, thus, the region where the particles are able to get washed out, can be adjusted using low-cost permanent magnets.