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Published in: Technical Physics 9/2020

01-09-2020 | NANOMATERIALS IN BIOLOGY AND MEDICINE

The Influence of a Low-Frequency Magnetic Field on Polyelectrolyte Capsules with Magnetite Nanoparticles

Authors: I. A. Burmistrov, D. B. Trushina, T. N. Borodina, M. M. Veselov, N. L. Klyachko, V. B. Zaitsev, Y. González-Alfaro, T. V. Bukreeva

Published in: Technical Physics | Issue 9/2020

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Abstract

Polyelectrolyte microcapsules have been prepared by successively adsorbing oppositely charged sodium polystyrenesulfonate and polyallylamine hydrochloride molecules on the surface of calcium carbonate colloid particles. Capsule shells have been functionalized using Fe3O4 magnetic nanoparticles to control the localization of microcapsules and penetrability of their shells. The penetrability control of microcapsules by means of a low-frequency nonheating magnetic field is based on magnetomechanical action, which is preferable to magnetic hyperthermia for in vivo applications because of its higher penetrability, locality, and safety. The influence of a pulsed low-frequency (50 Hz) sine-wave magnetic field on the microcapsule shell penetrability for fluorescently labeled dextran molecules has been analyzed. It has been found that the shell penetrability grows with decreasing time between magnetic field pulses, thereby increasing the dextran concentration in the shell.

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Literature
Metadata
Title
The Influence of a Low-Frequency Magnetic Field on Polyelectrolyte Capsules with Magnetite Nanoparticles
Authors
I. A. Burmistrov
D. B. Trushina
T. N. Borodina
M. M. Veselov
N. L. Klyachko
V. B. Zaitsev
Y. González-Alfaro
T. V. Bukreeva
Publication date
01-09-2020
Publisher
Pleiades Publishing
Published in
Technical Physics / Issue 9/2020
Print ISSN: 1063-7842
Electronic ISSN: 1090-6525
DOI
https://doi.org/10.1134/S1063784220090108

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