Table 2 Number of NA molecules available for an individual gold nanoparticle.
Number of NA molecules used to modify gold nanoparticles | Gold nanoparticle diameter (nm) | Number of gold nanoparticles in 1 ml solution used for modification* | NA capacity of each nanoparticle when excess NA molecules used |
|---|---|---|---|
6.02 × 1013 | 15 | 1.4 × 1012 | 23 |
6.02 × 1013 | 40 | 8.9 × 1010 | 161 |
6.02 × 1013 | 60 | 2.6 × 1010 | 363 |