Possible risks of nanoparticles

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What can happen due to nanoparticles being so small?

It is possible for them to be inhaled and enter the lungs.

2
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What happens once nanoparticles are inside the body?

  • They may initiate harmful reactions.

  • Toxic substances may bind to them because of their large surface area to volume ratio.

3
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What are the uses of nanoparticles?

Sun creams, deodorant, cosmetics. Also as catalysts.

4
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Why is it difficult to determine risks of nanoparticles?

They are a relatively new phenomenon so it is difficult for scientists to determine risks.