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24 March 2015 Impact of magnetite nanoparticle incorporation on the eigenfrequencies of nanocomposite microcapsules
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Modern researches showed that nanocomposite films with magnetite nanoparticle incorporation have good perspectives for applications in electronics to create antireflective coatings and also for biomedical applications to create coatings with remote control of physical properties using alternative magnetic field or microwave radiation, which is very important for fabrication of new generation substrates in tissue engineering and advanced drug delivery systems. In particular, the unique properties of advanced nanocomposite microcapsules allowed developing of the supramolecular system of targeted drug delivery. A study of the behavior of the nanocomposite shell of microcapsules, which consists of alternate layers of negatively charged iron oxide nanoparticles and cationic polyallylamine hydrochloride molecules, was carried out.

The aim of the present study was to investigate the effect of the number of nanoparticle layers on magnetic properties of polyelectrolyte/nanoparticles nanocomposite microcapsules prepared via layer-by-layer technique using iron oxide colloids.

In result of numerical simulation using ANSYS Workbench software the behavior of the nanocomposite shell of microcapsules depending on the concentration of magnetite particles in it was investigated. Modal and harmonic analysis of behavior of the microcapsules shell was conducted in water at a temperature of 37°. As a result of numerical experiment the eigenfrequencies and mode shape were first time defined for any modifications of the nanocomposite microcapsules. It has been established that the magnetic permeability value depends on the number of iron oxide nanoparticle layers in a nanocomposite microcapsule.
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O. E. Glukhova and O. A. Grishina "Impact of magnetite nanoparticle incorporation on the eigenfrequencies of nanocomposite microcapsules", Proc. SPIE 9339, Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications VII, 93390T (24 March 2015);

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