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Nanosilver: Pioneering Breakthrough or Environmental Biohazard?

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Dive into the impact of nanosilver, exploring its history, size, and potential risks. Learn how this technology evolves and its effects on ecosystems and health.

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Nanosilver: Pioneering Breakthrough or Environmental Biohazard?

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  1. Nanosilver Breakthrough or Biohazard? Alex Fiorentino, Museum of Science, Boston

  2. Silver Through the Ages 1861 ca. 750 B.C. ca. 50 A.D.

  3. Silver Nanoparticles ~15 nm in diameter

  4. How Small is a Nanometer? A nanometer = one billionth of a meter = .000000001 meters

  5. How Many Dots? 9 dots per side x 6 sides = 54 dots

  6. How Many Dots? 6 dots per cube x 27 cubes = 162 dots

  7. How Many Dots? Big Cube 54 dots Small Cubes 162 dots

  8. Germs!!!

  9. Germs!!!

  10. Argyria

  11. Zebra Fish

  12. Normal Fish Larvae

  13. Larvae Grown in Nanosilver

  14. To Learn More www.epa.gov/oppt/nano www.nanotechproject.org/publications/archive/silver

  15. Questions? For more info, visit: http://www.nanotechproject.org/

  16. Credit Slides

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