Thermo-Induced Shrinking of “Dextran Sulfate/Polyarginine” Capsules with Magnetic Nanoparticles in the Shell


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Abstract

Polyelectrolyte capsules consisting of a combination of biodegradable polyelectrolytes, dextran sulfate/polyarginine, and magnetic nanoparticles have been prepared. The possibility of changing the sizes and morphology of the capsules by heating their aqueous suspension has been investigated. The efficiency of capsule shrinking doesn’t change when a layer of magnetic nanoparticles is introduced into the shell. The nanoparticles are uniformly distributed in the shell and do not aggregate during the process of its rearrangement under the influence of temperature.

About the authors

D. B. Trushina

National Research Center Kurchatov Institute; Sechenov First Moscow State Medical University, Ministry of Health of the Russian Federation; Shubnikov Institute of Crystallography, Federal Scientific Research Center Crystallography and Photonics, Russian Academy of Sciences

Author for correspondence.
Email: trushina.d@mail.ru
Russian Federation, Moscow, 123098; Moscow, 119435; Moscow, 119333

A. S. Burova

Shubnikov Institute of Crystallography, Federal Scientific Research Center Crystallography and Photonics, Russian Academy of Sciences; Lomonosov Moscow State University

Email: trushina.d@mail.ru
Russian Federation, Moscow, 119333; Moscow, 119991

T. N. Borodina

Sechenov First Moscow State Medical University, Ministry of Health of the Russian Federation; Shubnikov Institute of Crystallography, Federal Scientific Research Center Crystallography and Photonics, Russian Academy of Sciences

Email: trushina.d@mail.ru
Russian Federation, Moscow, 119435; Moscow, 119333

M. A. Soldatov

Southern Federal University, International Research Center “Smart Materials”

Email: trushina.d@mail.ru
Russian Federation, Rostov-on-Don, 344006

T. Yu. Klochko

Southern Federal University, International Research Center “Smart Materials”

Email: trushina.d@mail.ru
Russian Federation, Rostov-on-Don, 344006

T. V. Bukreeva

National Research Center Kurchatov Institute; Shubnikov Institute of Crystallography, Federal Scientific Research Center Crystallography and Photonics, Russian Academy of Sciences

Email: trushina.d@mail.ru
Russian Federation, Moscow, 123098; Moscow, 119333

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