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"Conclusions: DO NOT use alcohol and chlorine-based disinfection methods. These will remove the static charge in the microfibers in N95 facial masks, reducing filtration efficiency. In addition, chlorine also retains gas after de-contamination and these fumes may be harmful."

Damn..I've been spritzing mine inside and out with 91% OH...time to bake like Snoop Dogg

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It still works for killing E Coli (and viruses based on using it on hands).

And you still have at least half of the filtration efficiency. Unsure if that means 90% instead of 95%, or 47.5% instead of 95%, but that's still a gain.

The pressure drop was comparable to the other methods, so you're not going to asphyxiate yourself according to the publication.

Says 56.33% efficiency after OH bath...too much for me. I too have a Breville Air Oven, and will simply collect a few masks and bake. A few percent efficiency drop is more palatable.

What about ozone? I've been thinking of putting them in a box and ozonating them.

My guess (only a guess) is ozone would work fine. It would probably be as effective as the UV treatment.

And, again, all the caveats about ozone not being an empirically-evaluated sterilization method.

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