21 April 2016 Processes in suspensions of nanocomposite microcapsules exposed to external electric fields
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Abstract
Microcapsules with and without magnetite nanoparticles incorporated in the polyelectrolyte shell were prepared. The effect of external electric field on the nanocomposite polyelectrolyte microcapsules containing magnetite nanoparticles in the shell was studied in this work as a function of the electric field strength. Effect of electric fields on polyelectrolyte microcapsules and the control over integrity of polyelectrolyte microcapsules with and without inorganic nanoparticles by constant electric field has been investigated. Beads effect, aggregation and deformations of nanocomposite microcapsule shell in response to electric field were observed by confocal laser scanning microscopy (CLSM). Thus, a new approach for effect on the nanocomposite microcapsule, including opening microcapsule shell by an electric field, was demonstrated. These results can be used for creation of new systems for drug delivery systems with controllable release by external electric field.
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A. V. Ermakov, M. V. Lomova, V. P. Kim, A. S. Chumakov, I. A. Gorbachev, D. A. Gorin, E. G. Glukhovskoy, "Processes in suspensions of nanocomposite microcapsules exposed to external electric fields", Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 99171I (21 April 2016); doi: 10.1117/12.2229569; https://doi.org/10.1117/12.2229569
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