Kazunori Kataoka;Aya Koide;Shigeto Fukushima;Yuichi Yamasaki;Kensuke Osada;Joon-Sik Park
发明人:
Kazunori Kataoka,Aya Koide,Kensuke Osada,Yuichi Yamasaki,Shigeto Fukushima,Joon-Sik Park
申请号：
US11919744
公开号：
US08304497B2
申请日:
2006.04.28
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The present invention discloses a vesicle which is excellent in structure stability and environmental responsiveness and also can be produced by a simple operation. More particularly, the present invention discloses a vesicle comprising a membrane formed of a first block copolymer containing a non-chargeable hydrophilic segment and a chargeable segment, and a second block copolymer containing a non-chargeable hydrophilic segment and a chargeable segment having an electric charge which is opposite to that of the chargeable segment of the first block copolymer.
