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Issue 23, 2015
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Surface-immobilised micelles via cucurbit[8]uril-rotaxanes for solvent-induced burst release

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Abstract

The fabrication, characterisation and controlled burst release of naphthol-functionalised micellar (NFM) nanostructures, which were grafted onto gold surfaces through cucurbit[8]uril (CB[8]) mediated host–guest interactions are described. NFMs undergo a facile change in morphology from micelles to diblock copolymers in direct response to exposure to organic solvents, including tetrahydrofuran (THF), toluene and chloroform. This induced transition in conformation lends itself to potential applications including nanocarriers for triggered burst-release of guest molecules. Nile Red was investigated as a NFM encapsulated model hydrophobic cargo inside the surface-attached micelles, which could be fully released upon exposure to THF as measured by both atomic force microscopy and UV/vis spectroscopy.

Graphical abstract: Surface-immobilised micelles via cucurbit[8]uril-rotaxanes for solvent-induced burst release

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Supplementary files

Article information


Submitted
07 Jan 2015
Accepted
09 Feb 2015
First published
11 Feb 2015

This article is Open Access

Chem. Commun., 2015,51, 4858-4860
Article type
Communication

Surface-immobilised micelles via cucurbit[8]uril-rotaxanes for solvent-induced burst release

C. Hu, Y. Zheng, Z. Yu, C. Abell and O. A. Scherman, Chem. Commun., 2015, 51, 4858
DOI: 10.1039/C5CC00121H

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