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This paper describes a simple strategy for covalently attaching nanoparticles onto the carbon nanotubes (CNTs) to fabricate hybrid nanostructure. Densely distributed magnetite nanoparticles (MNPs) with a size of ∼8nm have been deposited on the surface of carbon nanotubes by covalent interaction. Transmission electron microscopy (TEM), FT-IR spectroscopy, and X-ray diffraction (XRD) analysis have been...
We present a toxicological assessment of five carbon nanomaterials on human fibroblast cells in vitro. We correlate the physico-chemical characteristics of these nanomaterials to their toxic effect per se, i.e. excluding catalytic transition metals. Cell survival and attachment assays were evaluated with different concentrations of refined: (i) single-wall carbon nanotubes (SWCNTs), (ii) active carbon,...
Carbon nanotubes represent a new class of gene transporters potentially useful for future in vitro and in vivo gene delivery applications. The aim of this study was to modify the surfaces of carbon nanotubes (CNTs) with polyamidoamine dendrimer (PAMAM) in order to reduce the cytotoxicity and enhance the cellular uptake of the nanoparticles. In this study, we have prepared and characterized the PAMAM...
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