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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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Publication details

The article was received on 07 Jan 2015, accepted on 09 Feb 2015 and first published on 11 Feb 2015


Article type: Communication
DOI: 10.1039/C5CC00121H
Citation: Chem. Commun., 2015,51, 4858-4860
  • Open access: Creative Commons BY license
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    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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