[metmom]

The filter of the NTU-developed mask is coated with a layer of copper oxide nanoparticles, which damage the DNA of important cell structures in the bacteria, causing them to die, said Professor Lam Yeng Ming, chair of NTU's School of Materials Science and Engineering, who developed the antimicrobial coating.

So when those particles break off and are inhaled into the lungs, then what happens?

[coincheck]

Excessive copper in the blood causes Wilson’s disease, if I remember correctly.
I don’t remember a lot about the dz. it has been a while since I’ve even thought about that.