期刊
QUIMICA NOVA
卷 33, 期 10, 页码 2083-2087出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422010001000015
关键词
PVP hydrogel nanoparticle; lecithin vesicle; photo-Fenton reaction
Hydrogels micro, sub-micro and nanoparticles are of great interest for drug encapsulation and delivery or as embolotherapic agents. In this work it is described the preparation of nano and sub-microparticles of pre-formed, high molecular weight and monomer free poly(N-vinyl-2-pyrrolidone) encapsulated inside the core of lecithin vesicles. The hydrogel particles are formed with a very narrow diameter distribution, of about 800 nm, and a moderate swelling ratio, of approximately 10.
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