Nanoparticles – use and danger

Nanoparticles copper

What does the term “nano” mean?

Nanoparticles are particles with a size (height, width or length) of 1 to 100 nm (nanometers). To clarify the size: A nanometer is one millionth of a millimeter.

“Nano” is derived from the Greek term nanos and means dwarf. This refers to the small size of the particles.

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