| 摘要 |
The invention relates to nanoparticles of polyoxyethylenated derivatives, having a size of less than 1 micrometer, for the administration of pharmaceutically- or cosmetically-active ingredients. The inventive nanoparticles comprise a biodegradable polymer, a polyoxyethylene-derived block copolymer and at least one pharmaceutically- or cosmetically-active ingredient. The invention further relates to the method of obtaining the aforementioned nanoparticles and to compositions containing same.
|
