Table 2b.
Characterization of carbon nanotubes suspended in DMEM + 10% FBS by PCS and TEM.
| DLS/DLV data |
TEM data |
|||||
|---|---|---|---|---|---|---|
| Carbon nanotube | Hydro-dynamic size (nm) | ζ (mV) | Diameter of single CNTs (nm) | Length of single CNTs (nm) | Diameter of CNT bundles (nm) | Length of CNT bundles (nm) |
| SCNT | 16 | − 10 | ~ 2 nm | n.d. | 28.3 ± 10.6 | 543 ± 60.8 |
| SCNTc | 15 | − 8 | ~ 2 nm | n.d. | 62.5 ± 41.9 | 816 ± 275.4 |
| MCNT8 | 26 | − 7 | 4.7 ± 0.48 | 222 ± 126.2 | n.a. | n.a. |
| MCNT8c | 16 | − 10 | 4.2 ± 0.8 | 217 ± 117.9 | 24.3 ± 5.1 | 600 ± 282.8* |
| MCNT20 | 124 | − 10 | 18.9 ± 0.9 | 446 ± 77.9 | n.a. | n.a. |
| MCNT20c | 38 | − 10 | 15.3 ± 2.5 | 251 ± 94.4 | n.a. | n.a. |
| MCNT50 | 52 | − 7 | 62.8 ± 5.7 | 355 ± 96.4 | n.a. | n.a. |
| MCNT50c | 50 | − 11 | 63.6 ± 11.3 | 392 ± 195.3 | n.a. | n.a. |