BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS;TASCIOTTI, ENNIO
发明人:
FERRARI, MAURO
申请号：
EP07840796
公开号：
EP2056794A4
申请日:
2007.08.08
申请国别(地区):
EP
年份:
2012
代理人:
摘要：
It include first stage particles and the second grade particles the invention discloses a kind of multistage delivery carrier. First stage particle is micro particles or nanoparticle containing secondary particle. Secondary particle includes activating agent, such as therapeutic agent or preparation. Multistage delivery vehicle allows continuously to overcome or around biological barrier. Multistage delivery carrier and a part given, as a kind of composition, including multiple vehicles. The method of manufacture multistage delivery carrier is also provided.
