Figure 1
From: Radiopaque Resorbable Inferior Vena Cava Filter Infused with Gold Nanoparticles

Hydrophobic 4-nm gold nanoparticles were successfully synthesized. TEM and UV-Vis spectrum of 4-nm AuNPs. The transmission electron microscopy (TEM) result (A) is consistent with the ~520 nm peak (shown by the arrow) on the UV-Vis spectrum (B) for the 4-nm AuNPs.