Impact of high-frequency ultrasound on nanocomposite microcapsules: In silico and in situ visualization

V. F. Korolovych, O. A. Grishina, O. A. Inozemtseva, A. V. Selifonov, D. N. Bratashov, S. G. Suchkov, L. A. Bulavin, O. E. Glukhova, G. B. Sukhorukov, D. A. Gorin

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Abstract

The impact of high-frequency (1.2 MHz) ultrasound with a power density of 0.33 W cm^-2 on microcapsule nanocomposite shells with embedded zinc oxide nanoparticles was investigated by exploring modeling simulations and direct visualization. For the first time the sonication effect has been monitored in situ on individual microcapsules upon exposure of their aqueous suspension to ultrasound. The stress distribution on the microcapsule shell for the impact of ultrasound with high (1.2 MHz) and low (20 kHz) frequency at two fixed intensities (0.33 and 30 W cm^-2) has been modeled. As shown in silico and experimentally the nanocomposite microcapsules were destroyed more effectively by the action of high-frequency (1.2 MHz) ultrasound in comparison to the low frequency (20 kHz) one with the same power density.

Original language	English
Pages (from-to)	2389-2397
Number of pages	9
Journal	Physical Chemistry Chemical Physics
Volume	18
Issue number	4
DOIs	https://doi.org/10.1039/c5cp05465f
Publication status	Published - 26 Oct 2015
Externally published	Yes

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Physics and Astronomy(all)

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Korolovych, V. F., Grishina, O. A., Inozemtseva, O. A., Selifonov, A. V., Bratashov, D. N., Suchkov, S. G., Bulavin, L. A., Glukhova, O. E., Sukhorukov, G. B., & Gorin, D. A. (2015). Impact of high-frequency ultrasound on nanocomposite microcapsules: In silico and in situ visualization. Physical Chemistry Chemical Physics, 18(4), 2389-2397. https://doi.org/10.1039/c5cp05465f

Impact of high-frequency ultrasound on nanocomposite microcapsules : In silico and in situ visualization. / Korolovych, V. F.; Grishina, O. A.; Inozemtseva, O. A.; Selifonov, A. V.; Bratashov, D. N.; Suchkov, S. G.; Bulavin, L. A.; Glukhova, O. E.; Sukhorukov, G. B.; Gorin, D. A.

In: Physical Chemistry Chemical Physics, Vol. 18, No. 4, 26.10.2015, p. 2389-2397.

Research output: Contribution to journal › Article

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abstract = "The impact of high-frequency (1.2 MHz) ultrasound with a power density of 0.33 W cm-2 on microcapsule nanocomposite shells with embedded zinc oxide nanoparticles was investigated by exploring modeling simulations and direct visualization. For the first time the sonication effect has been monitored in situ on individual microcapsules upon exposure of their aqueous suspension to ultrasound. The stress distribution on the microcapsule shell for the impact of ultrasound with high (1.2 MHz) and low (20 kHz) frequency at two fixed intensities (0.33 and 30 W cm-2) has been modeled. As shown in silico and experimentally the nanocomposite microcapsules were destroyed more effectively by the action of high-frequency (1.2 MHz) ultrasound in comparison to the low frequency (20 kHz) one with the same power density.",

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AU - Selifonov, A. V.

AU - Bratashov, D. N.

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AU - Bulavin, L. A.

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AU - Gorin, D. A.

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10.1039/c5cp05465f