Research Article
Effects of Nitrogen-Doped Multiwall Carbon Nanotubes on Murine Fibroblasts
Figure 2
Representative SEM images of whole sample dry purified CNx. (a–c) Different parts of sample from whole sample; (d–f) the same sample different fields. Yellow arrows pointed to bundles of purified CNx. Big structures are agglomerates of CNTs which were easy to disperse in water.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |