Figure 1 of Mitra, Mol Vis 2013; 19:1029-1038.


Figure 1. Transmission electron microscopy (TEM) images of gold nanoparticles (AuNP) and polyethyleneimine capped gold nanoparticles (PEI-capped AuNP). The TEM sizing of the AuNPs (A) and AuNP-PEI (B) were 2.9 nm and 5.8 nm, respectively.