Titanium dioxide (TiO 2) nanoparticles have a high refractive index (n = 2.4), making them ideal for various applications, including medicines, coatings, inks, plastics, food, cosmetics, and textiles.

Doorknobs, faucet handles, bed rails and other high-touch surfaces are the secret network germs use to spread infections in hospitals. A new coating for stainless steel could stop them in their tracks ...