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A. L. Nikolaev, A. V. Gopin, D. S. Chicherin, V. E. Bozhevolnov, I. V. Melikhov

Localization of acoustic energy in gel systems on solid-phase inhomogeneities


Comparative investigation of thermal effects of ultrasound action on agarous gel containing iron (III) hydroxide and barium sulfate nanoparticles was performed. Differences in interaction of iron (III) hydroxide and barium sulfate with agarose matrix were established. Relative changes in ultrasound adsorption due to modifier particles present in a gel were estimated. It was shown that systems with modifiers localized on separate elements of matrix volume possess higher thermal effects. Production of "containers" with ultrasound-controlled drug release on the basis of thermosensitive gels containing solid phase inclusions was discussed as an example of possible application of the effects described.
Moscow University Chemistry Bulletin.
2008, Vol. 49, No. 3, P. 203

Copyright (C) Chemistry Dept., Moscow State University, 2002
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