Colloidal gold refers to a mixture of extremely small gold particles suspended in a liquid, usually water. It has unique optical, chemical, and physical properties. At Torskal, we study and apply colloidal gold to realize its potential in medicine, research, and industry. Colloidal gold has unique properties due to its extremely small size. It can interact with light and biological mo... https://www.torskal.com/from-chemistry-to-medicine-the-journey-of-colloidal-gold-nanoparticles/