A novel nanostructured supramolecular hydrogel self-assembled from tetraphenylethylene-capped dipeptides.
Soft Matter
; 12(30): 6347-51, 2016 Aug 14.
Article
em En
| MEDLINE
| ID: mdl-27381445
ABSTRACT
Herein, we report a tetraphenylethylene-diglycine (TPE-GG) hydrogelator from a systematic study of TPE-capped dipeptides with various amphiphilic properties. From a chemical design, we found that the hydrogelation of TPE-GG molecules can be utilized to generate supramolecular nanostructures with a large TPE-based nanobelt width (â¼300 nm) and lateral dimension ratio (>30 fold). In addition, TPE-GG has the lowest molecular weight and minimum number of atoms compared to any TPE-capped peptide hydrogelator reported to date. This minimal self-assembled hydrogelator can fundamentally achieve the gel features compared with other TPE-capped peptides. A combined experimental and computational study indicates the π-π interactions, electrostatic interactions and hydrogen-bonding interactions are the major driving forces behind the formation of self-assembled nanobelts. This study demonstrates the importance of structure-property relationships and provides new insights into the design of supramolecular nanomaterials.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Estilbenos
/
Hidrogéis
/
Nanoestruturas
/
Dipeptídeos
Idioma:
En
Ano de publicação:
2016
Tipo de documento:
Article