English
Related papers

Related papers: Maximizing Specific Loss Power for Magnetic Hypert…

200 papers

Demonstrating highly efficient alternating current (AC) magnetic field heating of nanoparticles in physiological environments under clinically safe field parameters has remained a great challenge, hindering clinical applications of magnetic…

Medical Physics · Physics 2022-02-08 Xiang Yu , Shan Gao , Dian Wu , Zhengrui Li , Yan Mi , Tianyu Yang , Fan Sun , Lichen Wang , Ruoshui Liu , Shuli He , Qinggang Ge , Yang Lv , Andy , Xu , Hao Zeng

We report on the magnetic hyperthermia properties of chemically synthesized ferromagnetic 11 and 16 nm Fe(0) nanoparticles of cubic shape displaying the saturation magnetization of bulk iron. The specific absorption rate measured on 16 nm…

Materials Science · Physics 2015-05-13 B. Mehdaoui , A. Meffre , L. -M. Lacroix , J. Carrey , S. Lachaize , M. Respaud , M. Gougeon , B. Chaudret

We report on the magnetic and hyperthermia properties of iron nanoparticles synthesized by organometallic chemistry. They are 5.5 nm in diameter and display a saturation magnetization close to the bulk one. Magnetic properties are dominated…

Materials Science · Physics 2015-05-14 B. Mehdaoui , A. Meffre , L. -M. Lacroix , J. Carrey , S. Lachaize , M. Respaud , M. Gougeon , B. Chaudret

We investigate the magnetic nanoparticles (fluid) hyperthermia in non-adiabatic conditions through the calorimetric method. Specifically, we propose a theoretical approach to magnetic hyperthermia from a thermodynamic point of view. To test…

We have studied the magnetic and power absorption properties of three samples of CoFe2O4 nanoparticles with sizes from 5 to 12 nm prepared by thermal decomposition of Fe (acac)3 and Co(acac)2 at high temperatures. The blocking temperatures…

Materials Science · Physics 2011-03-22 T. E. Torres , A. G. Roca , M. P. Morales , A. Ibarra , C. Marquina , M. R. Ibarra , G. F. Goya

Magnetic particle hyperthermia, in which colloidal nanostructures are exposed to an alternating magnetic field, is a promising approach to cancer therapy. Unfortunately, the clinical efficacy of hyperthermia has not yet been optimized.…

Magnetic fluid hyperthermia (MFH), the procedure of raising the temperature of tumor cells using magnetic nanoparticles (MNPs) as heating agents, has proven successful in treating some types of cancer. However, the low heating power…

We describe a low-cost and simple setup for hyperthermia measurements on colloidal solutions of magnetic nanoparticles (ferrofluids) with a frequency-adjustable magnetic field in the range 5-500 kHz produced by an electromagnet. By…

Materials Science · Physics 2008-10-09 L. -M. Lacroix , J. Carrey , M. Respaud

Magnetic vortices existing in soft magnetic nanoparticles with sizes larger than the single-domain diameter can be efficient nano-heaters in biomedical applications. Using micromagnetic numerical simulation we prove that in the optimal…

Mesoscale and Nanoscale Physics · Physics 2017-09-04 N. A. Usov , M. S. Nesmeyanov , V. P. Tarasov

Iron oxide (e.g., Fe$_3$O$_4$ or Fe$_2$O$_3$) nanoparticles are promising candidates for a variety of biomedical applications ranging from magnetic hyperthermia therapy to drug delivery and bio-detection, due to their superparamagnetism,…

The progress in the semiconductor industry has resulted in great demand for high-frequency magnetic materials applicable in microfabricated inductor cores. Nanocomposite materials, containing magnetic nanoparticles in a non-conducting…

Mesoscale and Nanoscale Physics · Physics 2025-08-28 Mathias Zambach , Ziwei Ouyang , Matti Knaapila , Marco Beleggia , Cathrine Frandsen

Magnetic nanoparticle-based hyperthermia has emerged as a promising therapeutic modality for treating malignant solid tumors that exhibit resistance to conventional cancer treatments, including chemotherapy and radiation. Despite the…

Mesoscale and Nanoscale Physics · Physics 2024-08-21 S. Scheibler , H. Wei , J. Ackers , S. Helbig , S. Koraltan , R. Peremadathil-Pradeep , M. Krupiński , M. Graeser , D. Suess , I. K. Herrmann , H. J. Hug

Superparamagnetic iron oxide nanoparticles have recently been investigated for their potential to kill cancer cells with promising results, owing to their ability to be targeted and heated by magnetic fields. In this study, novel hydrogel,…

Medical Physics · Physics 2017-06-28 Enrico Catalano , Andrea Di Benedetto

Mn-Zn ferrite nanoparticles have been subject of increasing research due to their desired properties for a wide range of applications. These properties include nanometer particle size control, tunable magnetic properties and low toxicity,…

Materials Science · Physics 2020-06-03 A. Horta

Magnetic nanoparticles are promising systems for biomedical applications and in particular for Magnetic Fluid Hyperthermia, a promising therapy that utilizes the heat released by such systems to damage tumor cells. We present an…

Biological Physics · Physics 2018-03-14 M. Cobianchi , A. Guerrini , M. Avolio , C. Innocenti , M. Corti , P. Arosio , F. Orsini , C. Sangregorio , A. Lascialfari

Due to the limited rare-earth elements resources, ferrite magnets need to be improved drastically. Ideally, for a true hard magnet, the coercive field should be larger than the saturation magnetization, which is not yet realized for…

Materials Science · Physics 2011-03-31 Frederic Mazaleyrat , Alexander Pasko , Andras Bartok , Martino Lobue

We report high-temperature (300-1120 K) magnetization data of Fe and Fe3O4 nanoparticles embedded in multi-walled carbon nanotubes. The magnetic impurity concerntations are precisely determined by both high-energy synchrotron x-ray…

Strongly Correlated Electrons · Physics 2011-07-20 Guo-meng Zhao , Jun Wang , Yang Ren , Pieder Beeli

The performance of magnetic nanoparticles is intimately entwined with their structure, mean size and magnetic anisotropy. Besides, ensembles offer a unique way of engineering the magnetic response by modifying the strength of the dipolar…

A linear combination of spherically symmetric heat sources is shown to provide optimal stationary thermal distribution in magnetic hyperthermia. Furthermore, such spatial location of heat sources produces suitable temperature distribution…

Applied Physics · Physics 2021-10-14 R. A. Rytov , V. A. Bautin , N. A. Usov

This study investigates the treatment of brain cancer by the magnetic hyperthermia approach and nanoparticles including Fe_3 O_4 core with gold, silver alloy shell, and MoS_2 coating. Optical properties of these nanoparticles within the…

Medical Physics · Physics 2021-11-25 Tina Seyedjamali , Mohamadreza Kazem Farahzadi , Hossein Arabi
‹ Prev 1 2 3 10 Next ›