Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of the cytotoxicity testing
| TEST MATERIAL | MEAN CYTOTOXICITY/REACTIVITY GRADE |
| Culture medium (Control) | 0 |
| Negative control (polypropylene pipette tips) | 0 |
| Positive control (tin-impregnated PVC strips) | 3 |
| 'Non-nano' particulate CeO2 | 0 |
| Nano-particulate CeO2 | 0 |
