METHOD OF MAKING NANOSISED SYSTEM FOR DELIVERING MEDICINAL AGENTS BASED ON SILICON DIOXIDE Russian patent published in 2009 - IPC A61J3/00 A61K47/04 A61K38/33 B82B3/00 

Abstract RU 2372890 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of making a nanosised system for delivering met-enkephalin on a hydrosol of SiO2 nanoparticles, involving mixing distilled water, hydrochloric acid and tetraethoxysilane, addition of a prepared NaOH solution, evaporation and filtration, obtaining a SiO2 hydrosol, ultrasonic treatment of the obtained SiO2 hydrosol, addition of met-enkephalin and surfactant solution in amount ranging from 0.5 to 2% of total volume of the obtained system.

EFFECT: system of delivering met-enkephalin is capable of penetrating the hematoencephalic barrier and deliver medicinal agents to brain cells.

2 ex, 2 tbl

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RU 2 372 890 C2

Authors

Zhirov Artur Aleksandrovich

Kasatkin Igor' Konstantinovich

Nazarov Georgij Valer'Evich

Aleksandrovskaja Natal'Ja Viktorovna

Galan Sergej Evgen'Evich

Dates

2009-11-20Published

2007-10-03Filed