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Technological University Dublin

Carbon nanotubes

2009

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Toxicity Assessment Of Single-Walled Carbon Nanotubes, Eva Herzog Jan 2009

Toxicity Assessment Of Single-Walled Carbon Nanotubes, Eva Herzog

Doctoral

The objective of this study was to investigate the potential adverse health effects of occupational exposure to SWCNT dust using various in vitro approaches. Lung epithelium (represented by A549 and NHBE cells) was chosen as target cell model and exposed to minimally processed particle samples under submerse conditions and effects were compared to that of carbon black and crocidolite asbestos exposure. Cytotoxicity studies indicated low acute cytotoxicity of SWCNT. Morphological changes included decreases in microvilli and increased numbers of surfactant storing lamellar bodies and changes in cytoskeleton. Due to interactions of SWCNT and toxicity indicator dyes, the clonogenic assay was …