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A new approach to modification of polyelectrolyte capsule shells by magnetite nanoparticles

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Abstract

A new method for modifying polyelectrolyte capsule shells by magnetic nanoparticles is proposed: the in situ synthesis of magnetite by chemical condensation. The capsule cores were spherical calcium carbonate microparticles, while polymer shells were prepared using the layer-by-layer electrostatic adsorption of polyallylamine and polystyrene sulfonate. After in situ synthesis, nanoparticles of different shapes are formed on the capsule shell; the main crystalline phase of nanoparticles is magnetite. The thus obtained nanocomposite capsules are highly sensitive to external magnetic fields.

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Correspondence to T. V. Bukreeva.

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Original Russian Text © T.V. Bukreeva, O.A. Orlova, S.N. Sulyanov, Yu.V. Grigoriev, P.V. Dorovatovskiy, 2011, published in Kristallografiya, 2011, Vol. 56, No. 5, pp. 940–943.

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Bukreeva, T.V., Orlova, O.A., Sulyanov, S.N. et al. A new approach to modification of polyelectrolyte capsule shells by magnetite nanoparticles. Crystallogr. Rep. 56, 880–883 (2011). https://doi.org/10.1134/S1063774511050051

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  • DOI: https://doi.org/10.1134/S1063774511050051

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