Magnetic fractionation and characterization of magnetic nanoparticles for magnetic particle imaging

被引：10

作者：

Yoshida, Takashi ^{[1
]}

Nakamura, Takuru ^{[1
]}

Higashi, Oji ^{[1
]}

Enpuku, Keiji ^{[1
]}

机构：

[1] Kyushu Univ, Dept Elect Engn, Fukuoka, Fukuoka 8190395, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 08期

基金：

日本学术振兴会;

关键词：

IN-VIVO; FERROFLUID; FLUIDS;

D O I：

10.7567/JJAP.57.080302

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We performed magnetic fractionation and characterization of Resovist (R) magnetic nanoparticles (MNPs) for use in magnetic particle imaging (MPI). We showed that the core size of the fractionated MNPs can be controlled by adjusting the separation field. We also showed that particles with core size of approximately 27 nm are optimal for MPI applications. To obtain MNPs of an appropriate core size and a narrow size distribution, we performed combined positive and negative fractionation. In the obtained fractionated MNPs, the third harmonic magnetization, which is used as the MPI signal, was 2.75 times as large as that of the original sample. (C) 2018 The Japan Society of Applied Physics

引用

页数：4

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