Micelle vs. vesicle formation controlled by distal functionalization of C 60 -PEG conjugates

An amphiphilic C -PEG conjugate was modified by the addition of cationic moieties in the hydrophobic C part to provide the related bis- and tris-adducts and their self-assembling structures were compared. All of these materials were water-soluble and their supramolecular structures were investigated...

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Bibliographic Details
Published in:Journal of materials chemistry. B, Materials for biology and medicine Materials for biology and medicine, 2017-08, Vol.5 (32), p.6676-6680
Main Authors: Tiu, Elisha G V, Liosi, Korinne, Aroua, Safwan, Yamakoshi, Yoko
Format: Article
Language:English
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Summary:An amphiphilic C -PEG conjugate was modified by the addition of cationic moieties in the hydrophobic C part to provide the related bis- and tris-adducts and their self-assembling structures were compared. All of these materials were water-soluble and their supramolecular structures were investigated in the aqueous phase using tensiometry, DLS, and STEM techniques. While mono- and bis-adducts formed micelle-type supramolecular structures, the tris-one with two additional cationic pyrrolidine groups showed the formation of larger particles as indicated by DLS data. Further, the STEM image of the tris-adduct showed a vesicle-type supramolecular structure with, presumably, an internal water-phase inside.
ISSN:2050-750X
2050-7518
DOI:10.1039/c7tb00829e