Exploring the amphiphilicity of PEGylated gold nanorods: mechanical phase transfer and self-assembly

We introduce a mechanical approach to phase transfer of PEGylated gold nanorods. Amphiphilic PEG ligands can be switched between hydrophilic and hydrophobic states by applying mechanical force. PEG-GNRs in their hydrophobic state self-assemble into rings, a phenomenon previously observed only for GN...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2013-10, Vol.49 (81), p.9350-9352
Main Authors: Liu, Maixian, Law, Wing-Cheung, Kopwitthaya, Atcha, Liu, Xin, Swihart, Mark T, Prasad, Paras N
Format: Article
Language:English
Subjects:
Capping
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Summary:We introduce a mechanical approach to phase transfer of PEGylated gold nanorods. Amphiphilic PEG ligands can be switched between hydrophilic and hydrophobic states by applying mechanical force. PEG-GNRs in their hydrophobic state self-assemble into rings, a phenomenon previously observed only for GNRs capped with hydrophobic ligands.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc45103h