On the theory of magnetic hyperthermia: clusterization of nanoparticles

Abu-Bakr, Ali F.; Zubarev, A. Yu.

doi:10.1098/rsta.2019.0251

Cited by 27 publications

(32 citation statements)

References 20 publications

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“…Thus, considering the here discussed properties, a design of magnetic gels where non-interacting particle' rotation is not severely hindered or where nanoparticles are magnetically aligned in chain-to-tail configuration might offer a viable approach in the design of nanosystems. For more information on the effect of interparticle interaction in magnetic hyperthermia, the references [41], [99], [100], [116] and [117] are recommended.…”

Section: Implications Of Magnetic Dipole-dipole Interactions In Magnetic Hyperthermiamentioning

confidence: 99%

Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications

Veloso

Andrade

Castanheira

2021

Advances in Colloid and Interface Science

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Magnetic gels have been gaining great attention in nanomedicine, as they combine features of hydrogels and magnetic nanoparticles into a single system. The incorporation of liposomes in magnetic gels further leads to a more robust multifunctional system enabling more functions and spatiotemporal control required for biomedical applications, which includes on-demand drug release. In this review, magnetic gels components are initially introduced, as well as an overview of advancements on the development, tuneability, manipulation and application of these materials. After a discussion of the advantages of combining hydrogels with liposomes, the properties, fabrication strategies and applications of magnetic liposome-hydrogel composites (magnetic lipogels or magnetolipogels) are reviewed. Overall, the progress of magnetic gels towards smart multifunctional materials are emphasized, considering the contributions for future developments.

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Section: Implications Of Magnetic Dipole-dipole Interactions In Magnetic Hyperthermiamentioning

confidence: 99%

Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications

Veloso

Andrade

Castanheira

2021

Advances in Colloid and Interface Science

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“…The patterned flow can be used for intensification of drug delivery in thrombosed blood vessels for the treatment of insults, stenoses and thromboembolism. Another important contribution to patterning in a system of clustered particles is given by Abu-Bakr & Zubarev [33], where they consider the magnetic hyperthermia phenomenon and highlight its biomedical applications. Here, a theoretical model of heat production by dense clusters under an alternating magnetic field is elaborated.…”

Section: (A) Pattern Evolution and The Kinetics Of Growthmentioning

confidence: 99%

Patterns in soft and biological matters

Alexandrov

Zubarev

2020

Phil. Trans. R. Soc. A.

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The issue is devoted to theoretical, computer and experimental studies of internal heterogeneous patterns, their morphology and evolution in various soft physical systems—organic and inorganic materials (e.g. alloys, polymers, cell cultures, biological tissues as well as metastable and composite materials). The importance of these studies is determined by the significant role of internal structures on the macroscopic properties and behaviour of natural and manufactured tissues and materials. Modern methods of computer modelling, statistical physics, heat and mass transfer, statistical hydrodynamics, nonlinear dynamics and experimental methods are presented and discussed. Non-equilibrium patterns which appear during macroscopic transport and hydrodynamic flow, chemical reactions, external physical fields (magnetic, electrical, thermal and hydrodynamic) and the impact of external noise on pattern evolution are the foci of this issue. Special attention is paid to pattern formation in biological systems (such as drug transport, hydrodynamic patterns in blood and pattern dynamics in protein and insulin crystals) and to the development of a scientific background for progressive methods of cancer and insult therapy (magnetic hyperthermia for cancer therapy; magnetically induced drug delivery in thrombosed blood vessels). The present issue includes works on pattern growth and their evolution in systems with complex internal structures, including stochastic dynamics, and the influence of internal structures on the external static, dynamic magnetic and mechanical properties of these systems. This article is part of the theme issue ‘Patterns in soft and biological matters’.

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“…In this work, we present a theoretical model of the MH heat production by a closed ring-shaped cluster of the strongly magnetically interacting single-domain ferromagnetic particles. Note that the linear and bulk clusters, consisting of the 2, 3 and 4 particles, have been studied in our work [20,21].…”

Section: Introductionmentioning

confidence: 99%

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

Abu-Bakr

Zubarev

2021

Phil. Trans. R. Soc. A.

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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)’.

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On the theory of magnetic hyperthermia: clusterization of nanoparticles

Cited by 27 publications

References 20 publications

Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications

Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications

Patterns in soft and biological matters

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

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