Results for: Nanoparticle

In Health

What is the difference between gold colloids and gold nanoparticles?

Gold colloids have multiple definitions. They have been used for many years as a dietary supplement (see Gold colloids provide the body with mi (MORE)

Uses of nanoparticles?

Nanoparticles are used in sunscreens. They offer protection and can be rubbed in so they block harmful ultraviolet light from the sun without white marks on the skin . This is (MORE)

How do you calculate surface atom of nanoparticles?

Volume of an atom of radius r = 4/3πr3 Volume ofnanoparticle of radius R = 4/3πR3 Volume of the particle = n (volume of the atom) 4/3πR3 = n 4/3πr3 R = n1/3r Number of (MORE)