Ag wires
In the presence of a certain peptide, Ag nanowires grow out of the points of Ag triangles.
Peptide-modified gold nanoparticles inside fibroblast cells.
RNA patterned on a surface can control the location of crystal growth.

tetrahedral silver

Tetrahedral silver nanoparticle synthesized photochemically.

crystal of gold nanocrystals

Electron microscope image of a crystal of 2.0 nm diameter gold nanocrystals.

sdc1721 model

Model of a gold nanocrystal HIV entry inhibitor.