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.
Sample coating preparations. Note that X in sample ID can be ‘N’ indicating the needle-punched filters or ‘M’ indicating the melt-blown filters (negative refers to propan-2-ol samples). n.a., not available.
| sample ID | immersion time (minutes) | concentration of nanoparticles (molar) |
|---|---|---|
| X0 | 0 (positive control) | n.a. |
| X1 | 0.5 | 0 (negative control) |
| X2 | 5 | 0 (negative control) |
| X3 | 50 | 0 (negative control) |
| X4 | 0.5 | 0.012 |
| X5 | 5 | 0.012 |
| X6 | 50 | 0.012 |
| X7 | 0.5 | 0.12 |
| X8 | 5 | 0.12 |
