Journal ArticleDOI
Effect of alignment of easy axes on dynamic magnetization of immobilized magnetic nanoparticles
Takashi Yoshida,Yuki Matsugi,Naotaka Tsujimura,Teruyoshi Sasayama,Keiji Enpuku,Thilo Viereck,Meinhard Schilling,Frank Ludwig +7 more
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TLDR
In this paper, the effect of the alignment of the magnetic easy axes on the dynamic magnetization of immobilized magnetic nanoparticles under an AC excitation field was explored, and it was shown that the parallel-aligned sample has the largest hysteresis in the magnetization curve and the largest harmonic magnetization spectra.About:
This article is published in Journal of Magnetism and Magnetic Materials.The article was published on 2017-04-01. It has received 46 citations till now. The article focuses on the topics: Magnetic anisotropy & Magnetization.read more
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Magnetic Particle Spectroscopy: A Short Review of Applications Using Magnetic Nanoparticles
TL;DR: Magnetic particle spectroscopy (MPS) also called magnetization response spectroscope (MRS) is a versatile measurement tool derived from magnetic particle imaging (MPI) as discussed by the authors.
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Enhanced specific loss power from Resovist® achieved by aligning magnetic easy axes of nanoparticles for hyperthermia
TL;DR: In this paper, the specific loss powers (SLP) of magnetic nanoparticles (MNPs) were calculated based on dynamic hysteresis measurements, where the magnetic field was applied either parallel or perpendicular to the nanoparticle orientation.
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Mathematical models for magnetic particle imaging
TL;DR: In this article, a survey of deterministic and non-deterministic models for magnetic particle imaging is presented, which are based on the physical behavior including relaxation mechanisms affecting the particle magnetization.
Posted Content
Magnetic Particle Spectroscopy: A Short Review of Applications
TL;DR: This short review highlights some of the representative applications based on MPS platform, thereby providing a roadmap of this technology and the insights for researchers in this area.
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Effects of size and anisotropy of magnetic nanoparticles associated with dynamics of easy axis for magnetic particle imaging
Satoshi Ota,Yuki Matsugi,Takeru Nakamura,Ryoji Takeda,Yasushi Takemura,Ichiro Kato,Satoshi Nohara,Teruyoshi Sasayama,Takashi Yoshida,Keiji Enpuku +9 more
TL;DR: In this article, the effect of magnetic particle structures on the magnetization harmonics was investigated and the dependence of the harmonics on the size and anisotropy of different structures was investigated.
References
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Liquid-phase immunoassay utilizing binding reactions between magnetic markers and targets in the presence of a magnetic field
Keiji Enpuku,Yuta Ueoka,Tatsuto Sakakibara,Masakazu Ura,Takashi Yoshida,Takako Mizoguchi,Akihiko Kandori +6 more
TL;DR: In this paper, a binding reaction between markers and targets in the presence of a magnetic field was performed to prevent the Brownian rotation of markers during the reaction, which can obtain much larger signals from the bound markers without increasing the blank signal from the free markers.
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Characterization of Magnetic Markers for Liquid-Phase Detection of Biological Targets
TL;DR: In this paper, the authors characterized the properties of magnetic markers for liquid phase immunoassays using Brownian relaxation and determined the relationship between the magnetic moment m and the Neel relaxation time τN of the aggregated particles included in the markers.
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Evaluation of Complex Harmonic Signals From Magnetic Nanoparticles for Magnetic Particle Imaging
TL;DR: In this paper, the authors evaluated the complex harmonic signals from magnetic nanoparticles (MNPs) for magnetic particle imaging (MPI) and found that the phase lag deviation between them became significant for higher harmonic numbers.