nanoparticles

• what size of particles are considered nanopaticles?

  1nm-100nm
• The field of research that focuses on nanoparticles is known as nanoscience. This research looks at the properties and applications of nanoparticles.
• Nanoparticles have a very high surface area to volume ratio. 

  This means they make very good catalysts in chemical reactions.
• fullerenes are nanoparticles made of spheres of carbon atoms, which may be used in the future to deliver medicines into our cells.
• Nanoparticles containing the element silver are known to have anti-bacterial properties. 

  This means we can insert them into surgical masks or wound dressings, to reduce the risk of infections.
• what are the harmful effects of sun creams that contain nanoparticles?

  1. they may enter cells and cause damage to our DNA
  2. they may cause harm to oceanic environments
• Some nanoparticles may be used in electrical circuits because they are small and conduct electricity.