TEACHING RESOURCES: Nanotechnology in Everyday Products
Nanoparticles are already used in many everyday products. Nanoparticles can be found in detergent, laundry powders, cosmetics, sunscreen, antiaging mixtures. If your kitchen sink has a water filter, it is likely to contain activated carbon and silver nanoparticles.
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Silver nanoparticles have a very useful antimicrobial property. As microbes such as algae and bacteria find silver ions toxic, contact with these ions quickly destroy any microbial lifeforms. Due to this property, silver nanoparticles often coat cutlery, fridges, pet bowls, socks, and even some pillows and other surfaces where microorganisms are unwanted.
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Nanoparticles such as graphene and carbon nanotubes that are high in strength can be found in sporting material.
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Some paints contain a nanoparticle titanium dioxide which has UV protecting properties to help keep your painted surface protected.
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Catalytic converters in cars also have a number of nanoparticles that help reduce the harmful emissions from a car.
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To learn more about Nanotechnology:
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TEACHING RESOURCES: Video
This video may be used as a teaching resource in the classroom to introduce students to the real world uses of nanotechnology.
The following video explains:
Products that contain nanoparticles
Flaws in scientific understanding of nanoparticles
Nanoparticle characteristics in varying environments
Nanoparticles in Nature
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Classroom Activities
Nanotechnology in Everyday Products
Class discussion and student research activity on real world application of nanotechnology.
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Download:
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.DOC (Word 97-2004)