Gold nanoparticles (AuNPs) are nanoscale particles of gold, typically ranging in size from 1 to 100 nanometers (nm). These nanoparticles exhibit unique physical, chemical, and optical properties that ...

Neutron-activated gold Novel activation imaging technique enables real-time visualization of gold nanoparticles in the body without the use of external tracers. (Courtesy: Nanase Koshikawa from Waseda ...

“There are an enormous number of people using gold nanoparticles,” says Chad Mirkin, a chemist at Northwestern University whose own studies focus on how the particles could help turn off genes ...