You will learn about: You will learn about



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tarix27.02.2018
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You will learn about:

  • You will learn about:

  • Nanotechnology

  • Making nanoparticles

  • Applications of nanoparticles



Any technology involving features with sizes between 1 and 1000 nanometers can be considered nanotechnology.

  • Any technology involving features with sizes between 1 and 1000 nanometers can be considered nanotechnology.



Any technology involving features with sizes between 1 and 1000 nanometers can be considered nanotechnology.

  • Any technology involving features with sizes between 1 and 1000 nanometers can be considered nanotechnology.



Nanotechnology is an emerging industry which is bringing us exciting new products and promises to change the way we live and work in the future.

  • Nanotechnology is an emerging industry which is bringing us exciting new products and promises to change the way we live and work in the future.



Nanotechnology is an emerging industry which is bringing us exciting new products and promises to change the way we live and work in the future.

  • Nanotechnology is an emerging industry which is bringing us exciting new products and promises to change the way we live and work in the future.



Blue Moon Goods storage containers

  • Blue Moon Goods storage containers



Baby Dream Silver Nano Poly products

  • Baby Dream Silver Nano Poly products



Nano toothpaste

  • Nano toothpaste



Toothbrush by Songsing Nanotechnology

  • Toothbrush by Songsing Nanotechnology



Antibacterial Effect by Nano Silver Clean

  • Antibacterial Effect by Nano Silver Clean



IOGEAR's Personal Security Mouse

  • IOGEAR's Personal Security Mouse



Eliminate smelly feet with antibacterial and antifungal socks.

  • Eliminate smelly feet with antibacterial and antifungal socks.



AgActive sheet sets are not only comfortable, but they kill bacteria too!

  • AgActive sheet sets are not only comfortable, but they kill bacteria too!



Silver Nano washing machine comes with a silver wash option.

  • Silver Nano washing machine comes with a silver wash option.



Make nanoparticles.

  • Make nanoparticles.

  • Soak filter in nanoparticles.

  • “Inoculate” plate.

  • Check results.



Put 2 ml .5 mM AgNO3 in a test tube.

  • Put 2 ml .5 mM AgNO3 in a test tube.

    • Start with a compound that has silver in it.
    • Our solution is silver nitrate.


Put 2 ml .5 mM AgNO3 in a test tube.

  • Put 2 ml .5 mM AgNO3 in a test tube.

  • Heat in boiling water bath for 5 minutes.

    • Heating it will speed the reaction.


Put 2 ml .5 mM AgNO3 in a test tube.

  • Put 2 ml .5 mM AgNO3 in a test tube.

  • Heat in boiling water bath for 5 minutes.

  • Add 5 drops of 1% sodium citrate.



Put 2 ml .5 mM AgNO3 in a test tube.

  • Put 2 ml .5 mM AgNO3 in a test tube.

  • Heat in boiling water bath for 5 minutes.

  • Add 5 drops of 1% sodium citrate.

  • Continue heating — wait for silver nanoparticles to form.

    • Watch for a change in color to indicate the silver has formed.
    • Let it heat a few more minutes to be sure the color change is complete.


Put 2 ml .5 mM AgNO3 in a test tube.

  • Put 2 ml .5 mM AgNO3 in a test tube.

  • Heat in boiling water bath for 5 minutes.

  • Add 5 drops of 1% sodium citrate.

  • Continue heating — wait for silver nanoparticles to form.



  • Bacteria may grow as a group = colony

  • Bacteria may cover surface of plate = lawn



Antibiotics may inhibit the growth of some bacteria.

  • Antibiotics may inhibit the growth of some bacteria.

  • Evidence of this is a “halo”.

  • A halo indicates a zone where bacteria are not present.





Mark the bottom of an agar plate with your initials, divide the bottom into sections, and label.

  • Mark the bottom of an agar plate with your initials, divide the bottom into sections, and label.

  • Put 1 to 2 drops of bacterial culture on the plate.

  • Spread the drops.



Place your nanoparticle soaked filter paper squares and your control(s) in the designated areas.

  • Place your nanoparticle soaked filter paper squares and your control(s) in the designated areas.

  • Incubate your plate for 24 hours at 37ºC.





The following slides display results and are included only as a teacher resource for a discussion after the experiment has been completed.

  • The following slides display results and are included only as a teacher resource for a discussion after the experiment has been completed.






















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