FIELD: nanotechnology.
SUBSTANCE: betulin powder is slowly added to the suspension of sodium carboxymethylcellulose in isopropanol, in the presence of 0.01 g of preparation E472c as a surfactant with stirring at 1000 rpm, then toluene is poured, the resulting suspension is filtered off and dried at room temperature, and the core/shell ratio comes up to 1:1 or 1:3 or 3:1.
EFFECT: simplification and acceleration of the process of production of nanocapsules, reduction of losses during the nanocapsules production.
1 dwg, 4 ex
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