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Effect of ring-shaped clusters on magnetic hyperthermia: Modelling approach

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Заглавие Effect of ring-shaped clusters on magnetic hyperthermia: Modelling approach
 
Автор Abu-Bakr, A. F.
Zubarev, A. Y.
 
Тематика DEBYE EQUATION
EASY REMAGNETIZATION AXES
HYPERTHERMIA EFFECT
MATHEMATICAL MODELLING
RINGS OF MANY PARTICLES
COMPOSITE STRUCTURES
MAGNETIC NANOPARTICLES
ALTERNATING MAGNETIC FIELD
HEAT PRODUCTION
HETEROGENEOUS STRUCTURES
MAGNETIC HYPERTHERMIA
MAGNETIC INTERACTIONS
REMAGNETIZATION
SIMPLE MODELING
TRANSPORT PHENOMENA
MAGNETIC BUBBLES
 
Описание Experiments demonstrate that magnetic nanoparticles, embedded in a tissue, very often form heterogeneous structures of various shapes and topologies. These structures (clusters) can significantly affect macroscopical properties of the composite system, in part its ability to generate heat under an alternating magnetic field (so-called magnetic hyperthermia). If the energy of magnetic interaction between the particles significantly exceeds the thermal energy of the system, the particles can form the closed ring-shaped clusters. In this work, we propose a relatively simple model of the heat production by the particles united in the 'ring' and immobilized in a host medium. Mathematically, this model is based on the phenomenological Debye equation of kinetics of the particles remagnetization. Magnetic interaction between all particles in the cluster is taken into account. Our results show that the appearance of the clusters can significantly decrease the thermal effect. This article is part of the theme issue 'Transport phenomena in complex systems (part 1)'. © 2021 The Author(s).
Russian Foundation for Basic Research, РФФИ, (19-52-45001)
Ministry of Education and Science of the Russian Federation, Minobrnauka, (FEUZ-2020-0051)
Data accessibility. This article has no additional data. Authors’ contributions. Both authors contributed equally to the work. Competing interests. We have no competing interests. Funding. This work has been done with the financial support of the RFBR, project 19-52-45001, program of the Ministry of Science and Education of Russian Federation, project FEUZ-2020-0051.
 
Дата 2024-04-22T15:52:50Z
2024-04-22T15:52:50Z
2021
 
Тип Article
Journal article (info:eu-repo/semantics/article)
Published version (info:eu-repo/semantics/publishedVersion)
 
Идентификатор Abu-Bakr, AF & Zubarev, AY 2021, 'Effect of ring-shaped clusters on magnetic hyperthermia: Modelling approach', Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Том. 379, № 2205, 20200316. https://doi.org/10.1098/rsta.2020.0316
Abu-Bakr, A. F., & Zubarev, A. Y. (2021). Effect of ring-shaped clusters on magnetic hyperthermia: Modelling approach. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 379(2205), [20200316]. https://doi.org/10.1098/rsta.2020.0316
1364-503X
Final
All Open Access; Bronze Open Access
https://royalsocietypublishing.org/doi/pdf/10.1098/rsta.2020.0316
https://royalsocietypublishing.org/doi/pdf/10.1098/rsta.2020.0316
http://elar.urfu.ru/handle/10995/132357
10.1098/rsta.2020.0316
85111803301
675372800001
 
Язык en
 
Права Open access (info:eu-repo/semantics/openAccess)
cc-by
 
Формат application/pdf
 
Издатель Royal Society Publishing
 
Источник Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences