nanoparticles Flashcards

1
Q

why do nanoparticles make good catalysts

A

they have a large surface area to volume ratio as there is more space for collisions

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2
Q

why are nanoparticles used in sunscreen

A

the small particles provide better protection without leaving white marks although some worry that they will build up in cells as they don’t break down easily and cause lung inflammation if breathed in

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3
Q

how are nanoparticles used in medicine

A

absorbed by the blood easily so good for delivering drugs right into the cells where they are needed

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4
Q

why nanoparticles used in sports equipment

A

they make plastic stronger and more durable without adding much mass

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5
Q

why are nanoparticles used in computer chips

A

they conduct electricity

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6
Q

what are silver nanoparticles used for

A

added to the polymer fibres to make surgical masks and wound dressings which gives it antibacterial properties

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7
Q

why is everyone so scared about nanoparticles

A

caus we don’t know all their effects on the human body, large surface area to volume ratio might make them toxic :0

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