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Issue 33, 2017
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Hierarchical host–guest assemblies formed on dodecaborate-coated gold nanoparticles

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Abstract

Undecahydro-mercapto-closo-dodecaborate (BSH), a purely inorganic cluster anion, serves as an unconventional stabilizing ligand for the preparation of gold nanoparticles (AuNPs). The BSH-capped AuNPs serve as nano-scaffolds, allowing for the creation of supramolecular architectures by using polycationic macrocyclic host molecules, through strong host–guest complexation. An amphiphilic calixarene (CX) forms first mono- and subsequently bi-layer assemblies on the BSH–AuNP surfaces depending on the CX concentration. The inorganic–organic hybrid materials, combined with host–dye displacement assays, serve as a chemosensing ensemble for negatively charged molecules, including DNA.

Graphical abstract: Hierarchical host–guest assemblies formed on dodecaborate-coated gold nanoparticles

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Publication details

The article was received on 25 Feb 2017, accepted on 30 Mar 2017 and first published on 11 Apr 2017


Article type: Communication
DOI: 10.1039/C7CC01507K
Citation: Chem. Commun., 2017,53, 4616-4619
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    Hierarchical host–guest assemblies formed on dodecaborate-coated gold nanoparticles

    K. I. Assaf, A. Hennig, S. Peng, D. Guo, D. Gabel and W. M. Nau, Chem. Commun., 2017, 53, 4616
    DOI: 10.1039/C7CC01507K

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