| Effects of dipolar interactions on the magnetic hyperthermia of Zn0.3Fe2.7O4 nanoparticles with different sizes |
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| 作者姓名： | 俞翔 米岩 王利晨 李峥睿 吴迪安 刘若水 贺淑莉 |
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| 作者单位： | Department of Physics |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(Grant Nos.51771124,51571146,and 51701130)。 |
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| 摘 要： | Tumor-targeted magnetic hyperthermia has recently attracted much attention.Magnetic nanoparticles(NPs) are heat mediator nanoprobes in magnetic hyperthermia for cancer treatment.In this paper,single cubic spinel structural Zn0.3Fe2.7O4 magnetic NPs with sizes of 14 nm-20 nm were synthesized,followed by coating with SiO2 shell.The SLP value of Zn0.3Fe2.7O4/SiO2 NPs below 20 nm changes non-monotonically with the concentration of solution under the alternating current(AC) magnetic field of 430 kHz and 27 kA/m.SLP values of all Zn0.3Fe2.7O4/SiO2 NPs appear a peak value with change of solution concentration.The solution concentrations with optimal SLP value decrease with increasing magnetic core size.This work can give guidance to the better prediction and control of the magnetic hyperthermia performance of materials in clinical applications.
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| 关 键 词： | magnetic nanoparticles dipolar interaction magnetic hyperthermia |
Effects of dipolar interactions on the magnetic hyperthermia of Zn_(0.3)Fe_(2.7)O_4 nanoparticles with different sizes |
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| Xiang Yu,Yan Mi,Li-Chen Wang,Zheng-Rui Li,Di-An Wu,Ruo-Shui Liu,Shu-Li He.Effects of dipolar interactions on the magnetic hyperthermia of Zn0.3Fe2.7O4 nanoparticles with different sizes[J].Chinese Physics B,2021(1). |
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| Authors: | Xiang Yu Yan Mi Li-Chen Wang Zheng-Rui Li Di-An Wu Ruo-Shui Liu Shu-Li He |
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| Institution: | (Department of Physics,Capital Normal University,Beijing 100048,China) |
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| Abstract: | Tumor-targeted magnetic hyperthermia has recently attracted much attention.Magnetic nanoparticles(NPs) are heat mediator nanoprobes in magnetic hyperthermia for cancer treatment.In this paper,single cubic spinel structural Zn_(0.3)Fe_(2.7)O_4 magnetic NPs with sizes of 14 nm-20 nm were synthesized,followed by coating with SiO_2 shell.The SLP value of Zn_(0.3)Fe_(2.7)O_4/SiO_2 NPs below 20 nm changes non-monotonically with the concentration of solution under the alternating current(AC) magnetic field of 430 kHz and 27 kA/m.SLP values of all Zn_(0.3)Fe_(2.7)O_4/SiO_2 NPs appear a peak value with change of solution concentration.The solution concentrations with optimal SLP value decrease with increasing magnetic core size.This work can give guidance to the better prediction and control of the magnetic hyperthermia performance of materials in clinical applications. |
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