The effort to disinfect subways and buses starts next week. In the Richmond area, you might have read how the Virginia Commonwealth University Health System has been applying the technologyto decontaminate N95 masks.
3 Things to Know
1. Using UV light for disinfecting has been around for decades. If you’re into TED Talks,here’s a popular one on the subject by radiation scientist David Brenner a few years ago that’s racked up 1.28 million views.
2. When it comes to pathogens, “all bacteria and viruses tested to date ... respond to UV disinfection,” according to a report bythe International Ultraviolet Association. It’s usually used in combination with other methods like filtering and cleaning.
“Individual, energetic UV-C photons photochemically interact with the RNA and DNA molecules in a virus or bacterium to render these microbes non-infectious. This all happens on the microscopic level. Viruses are less than one micrometer (µm, one-millionth of a meter) in size, and bacteria are typically 0.5 to 5 µm.”
At Veteran LED, I’ve been especially interested in how this technology can be applied through LED lighting, which could provide a more efficient and less expensive vehicle for the UVC rays. We’re exploring intensity, wavelengths and manufacturing process now.
It’s a fascinating and important topic, and I’mplanning to host a free online discussion soon on ultraviolet and LED lighting. Click here to let me know if you’d like to join in and I’ll send you details: Yes, Keep Me Posted
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As a Marine veteran, I encourage you to take some time out on Memorial Day — Monday, May 25 — to appreciate those who gave the ultimate sacrifice in service to our country.
A lot of Memorial Day ceremonies are unable to go on as scheduled because of the pandemic, but the Virginia War Memorial has made plans to broadcast its ceremony from 10-10:30 a.m. You can watch it in the Richmond area on WTVR CBS-6, or livestreamed on Facebookhereorhere.