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  Nanosensors for Chemical and Biological Applications: Sensing with Nanotubes ... - Google Books

  https://books.google.de/books?id=dQSjAgAAQBAJ&pg=PA40#v=onepage

  Nano-scale materials are proving attractive for a new generation of devices, due to their unique properties. They are used to create fast-responding sensors with good sensitivity and selectivity for the detection of chemical species and biological agents.…

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  Mottled Enamel in Bauxite - Aluminum Crusade - H. V. Churchill found fluoride in water

  http://fluoride-history.de/bauxite.htm

  Keine Beschreibung vorhanden.

• 

  Mottled Enamel in Bauxite - Aluminum Crusade - H. V. Churchill found fluoride in water

  http://www.fluoride-history.de/bauxite.htm

  Keine Beschreibung vorhanden.

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