PPH dendrimers grafted on silica nanoparticles: surface chemistry, characterization, silver colloids hosting and antibacterial activity

Polyphosphorhydrazone (PPH) dendrimers have been grafted on silica nanoparticles, and the surface functions of the dendrimers have been derivatized to phosphonates with lateral poly(ethyleneglycol) (PEG) chains. All materials have been thoroughly characterized by MAS NMR, FT-IR, electron microscopy,...

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Bibliographic Details
Published in:RSC advances 2013-01, Vol.3 (41), p.19015-19026
Main Authors: Hameau, Aurélien, Collière, Vincent, Grimoud, Julien, Fau, Pierre, Roques, Christine, Caminade, Anne-Marie, Turrin, Cédric-Olivier
Format: Article
Language:English
Subjects:
Chemical engineering
Chemical Sciences
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Summary:Polyphosphorhydrazone (PPH) dendrimers have been grafted on silica nanoparticles, and the surface functions of the dendrimers have been derivatized to phosphonates with lateral poly(ethyleneglycol) (PEG) chains. All materials have been thoroughly characterized by MAS NMR, FT-IR, electron microscopy, TGA and elemental analysis. These materials successfully hosted silver and silver oxide nanoparticles. The resulting composites exhibit antibacterial activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/c3ra43348j