Octaarginine- and Octalysine-modified Nanoparticles Have Different Modes of Endosomal Escape

Ayman El-Sayed, Ikramy A. Khalil, Kentaro Kogure, Shiroh Futaki and Hideyoshi Harashima

The Journal of Biological Chemistry 283 ( 34 ): 23450 - 23461 , 2008