Tell Me More! Masks under the Microscope
The image on the left is a mask viewed under an electron microscope. Find the three images below that are from the same mask!
This mask is also made of crossed vertical and horizontal threads. If you look closely, you can see white grains on the fine fibers.
Which mask was under the electron microscope?
Well done!
Now, which mask were those images taken of?
There's one correct answer.
- Gauze mask (antibacterial)
- N95 mask (non-woven fabric)
- Gauze mask
Correct!
Properties of gauze masks (with antibacterial treatment)
This mask is made of four layers of gauze, and the surface has been specially treated with particles including titanium oxide and silver. With the electron microscope at 1000× magnification, you can see the tiny particles, only a few nanometers across, on the surface of the individual fibers.。
