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Lipid/Polyelectrolyte Coatings to Control Carbon Nanotubes Intracellular Distribution

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Abstract:

Carbon Nanotubes have been functionalized with a layer of poly (sulfopropyl methacrylate) synthesized from silane initiators attached to the walls of the Carbon nanotubes. On top of the poly sulfo propyl methacrylate, lipid vesicles composed of 75% 1,2-Dioleoyl-sn-Glycero-3-Phosphocholine and 25% 1,2-Dioleoyl-sn-Glycero-3-[Phospho-L-Serine] were assembled. The surface modification of the Carbon Nanotubes and lipid assembly were followed by TEM. Confocal Raman Microscopy was used to study the uptake and localization of the surface modified Carbon Nanotubes in the HepG2 cell line. The localization of the Carbon Nanotubes in the cells was affected by the surface coating. It was found that poly (sulfopropyl methacrylate) and lipid modified Carbon Nanotubes were present in the region of the lipid bodies in the cytoplasm.

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2012.4949

Publication date: June 1, 2012

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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