Angew. Chem. Int. Ed. 2010, 49, 2552 –2555

Efficient Delivery of Bioactive Antibodies into the Cytoplasm of Living Cells by Charge-Conversional Polyion Complex Micelles**
Yan Lee, Takehiko Ishii, Hyun Jin Kim, Nobuhiro Nishiyama, Yoshiyuki Hayakawa, Keiji Itaka,and Kazunori Kataoka*