Cytotoxicity of Carbon Nanotubes on J774 Macrophages Is a Purification-Dependent Effect
Figure 1
Photomicrophotographs of UP-CNTs and P-CNTs obtained by SEM. Microphotographs show length for UP-CNTs1 and UP-CNTs2 ((a), (b) resp.) and diameter for UP-CNTs1 and UP-CNTs2 ((c), (d) resp.). (e) and (f) are shown characteristics of P-CNTs1 and P-CNTs2 respectively.