Research Article
Interactions of Carbon Nanotubes and Carbon Nanohorns with a Model Membrane Layer and Lung Surfactant In Vitro
Table 1
Physical data of carbon nanomaterials used in the studies.
| CNM designation in this study | Nanomaterial description and the supplier | External particle diameter (nm) | Internal particle diameter (nm) | Length (nm) | SSA (m2/g) |
| I | Multiwalled carbon nanotubes 8 nm/Cheap Tubes Inc., USA | <8 | 2-5 | 10,000-30,000 | 500 | II | Multiwalled carbon nanotubes 50 nm/Cheap Tubes Inc., USA | 50-80 | 5-10 | 10,000-20,000 | 60 | III | COOH functionalized graphitized multiwalled carbon nanotubes 20-30 nm/Cheap Tubes Inc., USA | 20-30 | 5-10 | 10,000-30,000 | 55 | IV | Carbon nanotube, single-walled/Sigma-Aldrich | 2 | No data | 3000 | >1000 (BET) | V | Carbon nanohorns, as grown/Sigma-Aldrich | 2-5 (by TEM) | No data | 4-5 | 400 (BET) | VI | Carbon nanohorns, oxidized/Sigma-Aldrich | 2-5 (by TEM) | No data | 4-5 | 1300-1400 (BET) |
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SSA: specific surface area (as declared by the suppliers). |