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Remote sensing of magnetic nanoparticles has exciting applications for magnetic nanoparticle hyperthermia and molecular detection. We introduce, simulate, and experimentally demonstrate an innovation---a sensing coil that is geometrically…

介观与纳米尺度物理 · 物理学 2014-03-26 Daniel B Reeves , John B Weaver

Nanomedicine research started exploring the combination of therapy and diagnostics, so-called theranostics, to offer a more flexible care with improved outcome. As magnetic nanoparticles show great potential in many diagnostic and…

医学物理 · 物理学 2022-05-11 Annelies Coene , Jonathan Leliaert

Optically hyperpolarized $^{129}$Xe gas has become a powerful contrast agent in nuclear magnetic resonance (NMR) spectroscopy and imaging, with applications ranging from studies of the human lung to the targeted detection of biomolecules.…

Nano- and micromagnetic materials have been extensively employed in micro-functional devices. However, measuring small-scale mechanical and magnetomechanical properties is challenging, which restricts the design of new products and the…

材料科学 · 物理学 2014-04-04 Hao Zhou , Yongmao Pei , Daining Fang

Fast phase-contrast imaging offered by modern synchrotron facilities opens the possibility of imaging dynamic processes of biological material such as cells. Cells are mainly composed of carbon and hydrogen, which have low X-ray…

Using a novel protocol for mixing oppositely charged colloids and macromolecules, magnetic clusters and rods are fabricated using 10 nm-iron oxide nanoparticles and polymers. Here, we show that as the dispersions undergo the so-called…

材料科学 · 物理学 2011-08-26 M. Yan , L. Chevry , J. -F. Berret

We report on the polarized neutron reflectometry investigation of monolayer of magnetic iron oxide nanoparticles assembled by the Langmuir-Schaefer method. After deposition onto a solid substrate the polarized neutron reflectometry…

介观与纳米尺度物理 · 物理学 2019-01-28 V. Ukleev , I. Snigireva , A. Vorobiev

We demonstrate the quantitative measurement of the magnetization of individual magnetic nanoparticles (MNP) using a magnetic force microscope (MFM). The quantitative measurement is realized by calibration of the MFM signal using an MNP…

介观与纳米尺度物理 · 物理学 2010-02-22 Kai-Felix Braun , Sibylle Sievers , Dietmar Eberbeck , Stefan Gustafsson , Eva Olsson , Hans Werner Schumacher , Uwe Siegner

Optical-based nanothermometry represents a transformative approach for precise temperature measurements at the nanoscale, which finds versatile applications across biology, medicine, and electronics. The assembly of ratiometric fluorescent…

光学 · 物理学 2025-04-01 Mahshid Iraniparast , Nishant Kumar , Igor Sokolov

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 report laser-assisted photochemical graphitization of polyimides (PI) into functional magnetic nanocomposites using laser irradiation of PI in the presence of magnetite nanoparticles (MNP). PI Kapton sheets covered with MNP were…

材料科学 · 物理学 2023-11-09 Abhishek Sarkar , Ho-won Noh , Ikenna Nlebedim , Prana Shrotriya

Multidimensional or multiplex bioanalysis represents a crucial approach to improve diagnostic precision, increase assay throughput and advance fundamental discoveries in analytical industry, life science and nanomedicine. Along this line,…

应用物理 · 物理学 2021-01-28 Gungun Lin

Nanoscopic heterogeneities in composition and structure are quintessential for the properties of electrocatalyst materials. Here, we present a semiclassical model to study the electrochemical properties of supported electrocatalyst…

材料科学 · 物理学 2025-02-27 Yufan Zhang , Tobias Binninger , Jun Huang , Michael Eikerling

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…

材料科学 · 物理学 2015-05-14 B. Mehdaoui , A. Meffre , L. -M. Lacroix , J. Carrey , S. Lachaize , M. Respaud , M. Gougeon , B. Chaudret

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…

软凝聚态物质 · 物理学 2014-02-06 Vinicius M. Lenart , Sergio L. Gómez , Maria P. Calatayud , Gerardo R. F. Goya

Magneto optical activity implemented in plasmonic nanostructures provides a new functionality in active plasmonics. To what an extent, one can benefit from this new degree of freedom is still under open discussion. In this work, with the…

光学 · 物理学 2013-06-07 G. X. Du , S. Saito , M. Takahashi

First-order reversal curves (FORC) measurements are broadly used for characterization of complex magnetic nanostructures, but a robust framework for quantitative analysis of the FORC data is still obscure despite numerous studies over…

应用物理 · 物理学 2019-12-02 Mohammad Reza Zamani Kouhpanji , Bethanie J H Stadler

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,…

材料科学 · 物理学 2020-06-03 A. Horta

Superparamagnetic iron-oxide nanoparticles can be used in a variety of medical applications like vascular or targeted imaging. Magnetic particle imaging (MPI) is a promising tomographic imaging technique that allows visualizing the 3D…

In this article we give a general survey of the main properties of magnetic oxides - mostly the oxides of transition metals, but sometime also containing rare earths ions. This is a very rich class of materials, among which there are…

强关联电子 · 物理学 2024-01-04 D. I. Khomskii , S. V. Streltsov