Structure and magnetic properties of carbon encapsulated FeCo@C and FeNi@C nanoparticles

Yermakov, A. Ye.; Уймин, М. А.; Бызов, И. В.; Konev, A. S.; Novikov, S. I.; Minin, Artem S.; Гавико, В. С.; Мурзакаев, А. М.; Maǐkov, V. V.

doi:10.1016/j.matlet.2019.07.067

Cited by 14 publications

(8 citation statements)

References 10 publications

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“…Metal‐carbon nanoparticles (MNPs) Fe@C were synthesized by using the gas‐condensation technique as described (Yermakov et al, 2019), in the applied magnetism laboratory of the Institute of Metal Physics, Ural Division of the Russian Academy of Sciences. Briefly, the synthesis of nanoparticles occurs in a specially designed installation, where a drop of molten metal (in this case, iron) levitates in an inductive magnetic field.…”

Section: Methodsmentioning

confidence: 99%

“…The size of the iron‐carbon nanoparticles is about 10 nm in diameter (Yermakov et al, 2019). The diameter of the core, which consists predominantly of alpha iron, is about 8 nm.…”

Section: Methodsmentioning

confidence: 99%

“…Metal-carbon nanoparticles (MNPs) Fe@C were synthesized by using the gas-condensation technique as described (Yermakov et al, 2019), in the applied magnetism laboratory of the Institute of Metal Physics, Ural Division of the Russian Academy of Sciences.…”

Section: Synthesis and Modification Of Nanoparticlesmentioning

confidence: 99%

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Novel cost‐efficient protein‐based membrane system for cells cocultivation and modeling the intercellular communication

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et al. 2022

Biotech & Bioengineering

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In vitro systems serve as compact and manipulate models to investigate interactions between different cell types. A homogeneous population of cells predictably and uniformly responds to external factors. In a heterogeneous cell population, the effect of external growth factors is perceived in the context of intercellular interactions.Indirect cell cocultivation allows one to observe the paracrine effects of cells and separately analyze cell populations. The article describes an application of custommade cell cocultivation systems based on protein membranes separated from the bottom of the vessel by the 3D printed holder or kept afloat by a magnetic field.Using the proposed cocultivation system, we analyzed the interaction of A549 cells and fibroblasts, in the presence and absence of growth factors. During cocultivation of cells, the expression of genes of the activation for epithelial and mesenchymal transitions decreases. The article proposes the application of a newly available system for the cocultivation of different cell types.

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Section: Methodsmentioning

confidence: 99%

“…The size of the iron‐carbon nanoparticles is about 10 nm in diameter (Yermakov et al, 2019). The diameter of the core, which consists predominantly of alpha iron, is about 8 nm.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Novel cost‐efficient protein‐based membrane system for cells cocultivation and modeling the intercellular communication

Minin

Blatov

Lebedeva

et al. 2022

Biotech & Bioengineering

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show abstract

“…Metal-carbon NPs Fe@C were synthesized using the gas-condensation technique as described 43 , in the applied magnetism laboratory of the Institute of Metal Physics, Ural Division of the Russian Academy of Sciences. A high-frequency alternating magnetic field overheated the iron drop to a temperature of about 2100 • C in the flow of inert gas containing a hydrocarbon precursor.…”

Section: Synthesis and Modification Of Nanoparticlesmentioning

confidence: 99%

Magnetocontrolled protein membranes for cell cultures co-cultivation

Minin

Tiuchai

Rodionov

et al. 2020

Preprint

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Investigation of cells and tissues in vitro systems is an attempt to simplify the very complex interactions between the various cell types from multicellular organisms.Monolayer cell cultures with single cell type do not allow to show all the possible paracrine interactions between various types of cells. To analyze intercellular interactions, it is possible to use systems that co-cultivate several cell types. This article proposes a new cell co-cultivation system based on levitation in the magnetic field in the culture medium of a magnetic protein membrane with cells. The developed system of co-cultivation of cells can be made in any laboratory of available reagents and have a low manufacturing cost.

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“…Composites filled with carbonaceous particles are of fundamental interest and relate to a wide range of potential applications, including radar absorption, electromagnetic compatibility for electronic devices, and electromagnetic protection. Production methods of metal particles encapsulated in carbon were described in [ 2 , 3 ]. Such particles are conventionally denoted as Me@C, where Me is a metal.…”

Section: Introductionmentioning

confidence: 99%

Magnetic and Microwave Properties of Nanocomposites Containing Iron Particles Encapsulated in Carbon

et al. 2022

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The magnetic and microwave properties of nanocomposites containing iron particles encapsulated in a carbon shell (Fe@C), as well as carbon nanotubes (CNT), have been experimentally studied. The examination of magnetic properties of composites shows that the materials under study contain a ferromagnetic component. The availability of ferromagnetic ordering for the dielectric matrix-based nanocomposite sample with Fe@C particles has been confirmed by the measurement results of the transmission and the reflection coefficients of the microwaves, since the ferromagnetic resonance has been observed. Furthermore, in the fields less than the field of ferromagnetic resonance, there are the signs of the presence of ferromagnetic antiresonance. The ferromagnetic resonance leads to minima in the transmission and reflection coefficients, whereas the antiresonance, conversely, leads to maxima in the reflection coefficient. The measurement results have been compared with the theoretical calculations of the field dependence of microwave transmission and reflection coefficients.

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Structure and magnetic properties of carbon encapsulated FeCo@C and FeNi@C nanoparticles

Cited by 14 publications

References 10 publications

Novel cost‐efficient protein‐based membrane system for cells cocultivation and modeling the intercellular communication

Novel cost‐efficient protein‐based membrane system for cells cocultivation and modeling the intercellular communication

Magnetocontrolled protein membranes for cell cultures co-cultivation

Magnetic and Microwave Properties of Nanocomposites Containing Iron Particles Encapsulated in Carbon

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