English
Related papers

Related papers: Superparamagnetic Superparticles for Magnetic Hype…

200 papers

Accelerated charged particles offer significant physical advantages over X-rays in radiotherapy. In addition to their superior depth-dose distribution, heavy ions provide notable biological benefits compared to protons. Specifically, at…

Medical Physics · Physics 2025-12-19 Jeannette Jansen , Olga Sokol , Yolanda Prezado , Marco Durante

Understanding and predicting the heat released by magnetic nanoparticles is central to magnetic hyperthermia treatment planning. These nanoparticles tend to form aggregates when injected in living tissues, which alters their response to the…

Mesoscale and Nanoscale Physics · Physics 2025-07-08 Javier Ortega Julia , Daniel Ortega , Jonathan Leliaert

Nanoparticles are ubiquitous in nature and are increasingly important for technology. They are subject to bombardment by ionizing radiation in a diverse range of environments. In particular, nanodiamonds represent a variety of nanoparticles…

We show that by capping Co nanoparticles with small amounts of Pt strong changes of the magnetic properties can be induced. The Co nanoparticles have a mean diameter of 2.7 nm. From magnetometry measurements we find that for zero and for…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. Ebbing , O. Hellwig , L. Agudo , G. Eggeler , O. Petracic

Nanodiamond is poised to become an attractive material for hyperpolarized 13C MRI if large nuclear polarizations can be achieved without the accompanying rapid spin-relaxation driven by paramagnetic species. Here we report enhanced and…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 T. Boele , D. E. J. Waddington , T. Gaebel , E. Rej , A. Hasija , L. J. Brown , D. R. McCamey , D. J. Reilly

The paper explores the use of nanoparticles of gamma Fe2O3 for hyperthermia treatment of living organisms by absorption of 1064 nm radiations from Nd:YAG laser. Escherichia coli cells have been used as the model system for demonstrating the…

Biological Physics · Physics 2007-05-23 Srikanya Kundu , Harshada Nagar , S D Kulkarni , Renu Pasricha , A K Das , G R Kulkarni , S V Bhoraskar

NPs are ultrafine-grain crystal or amorphous substances which are as small as 100nm. They have unique physical, chemical and mechanical properties, which are very different from those of large scale materials. This uniqueness is attributed…

Materials Science · Physics 2018-10-19 A Titlov , G Krushenko , C Reshetnikova , K Borodianskiy

All-dielectric nanophotonics becomes a versatile tool for various optical applications, including nanothermometry and optical heating. Its general concept includes excitation of Mie resonances in nonplasmonic nanoparticles. However, the…

Recent nanotoxicity studies revealed that the physico-chemical characteristics of engineered nanomaterials play an important role in the interactions with living cells. Here, we report on the toxicity and uptake of the cerium and iron oxide…

Materials Science · Physics 2010-11-09 M. Safi , H. Sarrouj , O. Sandre , N. Mignet , J. -F. Berret

Iron nanoparticles are among the most promising low-dimensional materials in terms of applications. This particularity is attributable to the magnetic properties of these nanoparticles, which exhibit different allotropes as a function of…

Materials Science · Physics 2024-06-18 Alexis Front , Georg Daniel Förster , Chu-Chun Fu , Cyrille Barreteau , Hakim Amara

The quest for room-temperature nanoscale magnets remains a central challenge, driven by their promising applications in quantum technologies. Layered $4d$ and $5d$ transition metal oxides with high magnetic ordering temperatures offer…

Strongly Correlated Electrons · Physics 2025-05-21 Deepak K. Roy , Mukul Kabir

In the context of magnetic hyperthermia, several physical parameters are used to optimize the heat generation and these include the nanoparticles concentration and the magnitude and frequency of the external AC magnetic field. Here we…

Mesoscale and Nanoscale Physics · Physics 2020-10-14 J. -L. Déjardin , F. Vernay , H. Kachkachi

This study describes the distribution of intravenously injected polyacrylic acid (PAA) coated {\gamma}-Fe2O3 NPs (10 mg kg-1) at the organ, cellular and subcellular levels in healthy BALB/cJ mice and in parallel addresses the effects of NP…

In this paper we investigate the internalization and cytotoxicity of nanostructured materials having the form of elongated rods, with diameter of 200 nm and lengths 1 - 10 {\mu}m. The rods were made from the controlled aggregation of sub-10…

Materials Science · Physics 2015-05-30 M. Safi , S. Clowez , A. Galimard , J. -F. Berret

Magnetization and Mossbauer studies have been performed on the polymer coated magnetite nanoparticles with particle size from 5.1 to 14.7 nm. The maximum in the temperature dependence of magnetization (TM) is found to be inconsistent with…

Materials Science · Physics 2009-11-11 M. Thakur , K. De , S. Giri , S. Si , A. Kotal , T. K. Mandal

A Martian meteorite, magnetic inks, drug targeting, batteries, contrasts for MRI, data storage or even clinical thermo-therapy seem to have no connection, but all have in common a dark mineral called magnetite. However, in each of these…

Soft Condensed Matter · Physics 2014-02-06 Vinicius M. Lenart , Sergio L. Gómez , Maria P. Calatayud , Gerardo R. F. Goya

The experiments on the impact of the size of magnetite clusters on various magnetic properties (magnetic moment, Curie temperature, blocking temperature etc.) have been carried out. The methods of magnetic separation, centrifuging of water…

Materials Science · Physics 2015-12-24 V. N. Nikiforov , A. N. Ignatenko , A. V. Ivanov , V. Yu. Irkhin

Magnetic materials for specific applications require an accurate control and complete comprehension of their magnetic properties. In particular, nanoparticles embedded in a polycrystalline matrix emerge as good candidates for applications…

Superconducting metamaterials are utilized to study the approach to the plasmonic limit simply by tuning temperature to modify the superfluid density, and thus the superfluid plasma frequency. We examine the persistence of artificial…

Superconductivity · Physics 2013-12-11 C. Kurter , J. Abrahams , G. Shvets , Steven M. Anlage

Tailoring the magnetic properties of iron oxide nanosystems is essential to expand their biomedical applications. In this study, the 34 nm iron oxide nanocubes with two phases consisting of Fe3O4 and alpha-Fe2O3 were annealed for 2 hours in…

Materials Science · Physics 2024-02-01 Supun B. Attanayake , Amit Chanda , Raja Das , Manh-Huong Phan , Hariharan Srikanth