Self-assembly of rod-coil polyethylenimine-poly(ethylene glycol)-α-cyclodextrin inclusion complexes into hollow spheres and rod-like particles.
This paper describes the self-assembly of rod-coil inclusion complexes, polyethylenimine-poly(ethylene glycol)-α-cyclodextrin (PEI-PEG-α-CD). It is demonstrated that α-CDs should exclusively thread on the PEG block in PEI-PEG copolymers and the resulting complexes have both rigid block (PEG-α-CD) and coil block (protonated PEI). By varying the rigid block fraction, aggregates with hollow spheres or rod-like particles could be formed simply by self-assembly in aqueous solution.
State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu 610065, China.
Cong
C
Cheng
Xiao-Juan
XJ
Han
Zhen-Qiang
ZQ
Dong
Yan
Y
Liu
Bang-Jing
BJ
Li
Sheng
S
Zhang
D018014:Gene Transfer Techniques; D053758:Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D011092:Polyethylene Glycols / Q000737:chemistry*; D011094:Polyethyleneimine / Q000737:chemistry*; D047391:alpha-Cyclodextrins / Q000737:chemistry*
D047391:alpha-Cyclodextrins; D011092:Polyethylene Glycols; D011094:Polyethyleneimine