Re:Disinfection with Far-UV (222 nm Ultraviolet light) [pdf]
by thfuran on Tuesday February 14, 2023 @07:46PM
(#34798487)
Human cells don't have cell walls.
Re:Disinfection with Far-UV (222 nm Ultraviolet light) [pdf]
by modestmc on Wednesday February 15, 2023 @01:13AM
(#34800661)
My apologies, the membrane. I went and dug more into this to brush up on the exact specifics and the exact conclusion of the research was that less than 5% of the intensity of the light reached the nuclear envelope, thus avoiding DNA damage. This is the original study: https://ieeexplore.ieee.org/abstract/document/1341520/
However, while I was trying to find the specifics on the DNA damage, I found this: https://mdpi-res.com/d_attachment/ijms/ijms-23-09112/article...
My only grief with this article is the conclusion they draw from the yH2AX staining. I can see several possible reasons for observing the higher proportion of cells with it.
Other than that, the paper raises a boatload of serious points and definitely observes negatively impacted cellular function. I still think FarUVC has incredible potential but just like cellphone towers the exact specifics to interact with it safely need serious further study.
However, our skin heavily depends on friendly bacteria to do useful things. One concern that I have yet to see research testing is the impact of extended Far-UVC exposure on these microbial populations.