Issue 16, 2016

Disk-like micelles with cylindrical pores from amphiphilic polypeptide block copolymers

Abstract

An unprecedented two-dimensional (2D) disk-like micelle with cylindrical pores was achieved for the first time by self-assembly of the amphiphilic block copolypeptide poly(ethylene glycol)-block-poly(γ-benzyl-L-glutamate) (PEG-b-PBLG) in solution. The aggregate structures were fully characterized by TEM, SEM, 1H NMR, AFM and CD. The research results showed that the α-helical conformation of PBLG blocks plays a key role in the formation process of a disk-like morphology. By tuning the ratio between the hydrophilic block and hydrophobic block in PEG-b-PBLG copolymers, various aggregate structures including micelles, disk-like micelles, vesicles and large vesicles can be achieved. The research results are helpful to expand the self-assembly fields and can provide more nanostructural materials.

Graphical abstract: Disk-like micelles with cylindrical pores from amphiphilic polypeptide block copolymers

Supplementary files

Article information

Article type
Paper
Submitted
28 Jan 2016
Accepted
15 Mar 2016
First published
16 Mar 2016

Polym. Chem., 2016,7, 2815-2820

Author version available

Disk-like micelles with cylindrical pores from amphiphilic polypeptide block copolymers

X. Lin, X. He, C. Hu, Y. Chen, Y. Mai and S. Lin, Polym. Chem., 2016, 7, 2815 DOI: 10.1039/C6PY00152A

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