Effects of the Incorporation of a Hydrophobic Middle Block into a PEG−Polycation Diblock Copolymer on the Physicochemical and Cell Interaction Properties of the Polymer−DNA Complexes. - Rahul Sharma; Jae-Sung Lee; Ryan C. Bettencourt; Chuan Xiao; Stephen F. Konieczny; You-Yeon Won (Biomacromolecules, 2008)