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Issue 2, 2015
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Supramolecular polymeric vesicles formed by p-sulfonatocalix[4]arene and chitosan with multistimuli responses

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Abstract

Supramolecular polymeric vesicles are constructed by the complexation of p-sulfonatocalix[4]arene and chitosan, where the multivalent electrostatic interactions between the anionic sulfonate tetramer and cationic polyammoniums served as the dominant driving force. The supra-amphiphilic assemblies are disassembled upon exposure to a pH stimulus since the partial deprotonation of chitosan accompanied by a pH increase. Adding a competitive guest can also disrupt the assembly, representing the host–guest inclusion response. Interestingly, an abnormal temperature-response is observed, possibly as a result of the temperature-directed fusion process.

Graphical abstract: Supramolecular polymeric vesicles formed by p-sulfonatocalix[4]arene and chitosan with multistimuli responses

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Publication details

The article was received on 29 Sep 2014, accepted on 03 Nov 2014 and first published on 03 Nov 2014


Article type: Paper
DOI: 10.1039/C4SM02170C
Soft Matter, 2015,11, 290-296

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    Supramolecular polymeric vesicles formed by p-sulfonatocalix[4]arene and chitosan with multistimuli responses

    S. Peng, K. Wang, D. Guo and Y. Liu, Soft Matter, 2015, 11, 290
    DOI: 10.1039/C4SM02170C

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