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.
| Rank | Keywords | Frequency | Centrality |
|---|---|---|---|
| 1 | Photothermal therapy | 2,488 | 0.15 |
| 2 | Nanoparticle | 2,193 | 0.02 |
| 3 | Drug delivery | 1,760 | 0.07 |
| 4 | In vivo | 1,241 | 0.13 |
| 5 | Cancer | 1,127 | 0.06 |
| 6 | Cancer therapy | 954 | 0 |
| 7 | Gold nanoparticle | 903 | 0.05 |
| 8 | Photodynamic therapy | 887 | 0.02 |
| 9 | Cell | 764 | 0.02 |
| 10 | Therapy | 747 | 0 |
