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2. Ultraviolet germicidal irradiation - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_germicidal...

   A low-pressure mercury-vapor discharge tube floods the inside of a biosafety cabinet with shortwave UV light when not in use, killing microbes on irradiated surfaces. Ultraviolet germicidal irradiation (UVGI) is a disinfection technique employing ultraviolet (UV) light, particularly UV-C (180–280 nm), to kill or inactivate microorganisms ...

3. Far-UVC - Wikipedia

   en.wikipedia.org/wiki/Far-UVC

   When evaluating ultraviolet germicidal lights, eye and skin health are primary concerns. UV-B, predominantly responsible for the harmful effects of sunlight, poses the highest risk for erythema, photokeratitis, sunburn and skin cancer. [14] [15] [16] While longer UV-C wavelengths and UV-A can also cause damage, their effects are less severe ...

4. Does UV Light Kill Coronavirus? - AOL

   www.aol.com/lifestyle/does-uv-light-kill-corona...

   There are different types of UV light. There are various kinds of UV light, all originating from the sun (or from UV light-emitting devices.). Only one type of UV light is likely to be effective ...

5. Health effects of sunlight exposure - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_sunlight...

   A seasonal variation in blood pressure has been noted for decades. Research indicates that skin exposure to sunlight results in a modest reduction in systolic blood pressure. The effect is independent of vitamin D status, instead being mediated by nitric oxide release from skin upon exposure to UV light. The effect is greater in fair-skinned ...

6. CleanPod, PhoneSoap and more: UV sterilizers that can help ...

   www.aol.com/finance/cleanpod-phonesoap-more-uv...

   UV light is used as part of a process called ultraviolet germicidal irradiation, or UVGI for short. CleanPod, PhoneSoap and more: UV sterilizers that can help you kill all the germs Skip to main ...

7. Sunscreen - Wikipedia

   en.wikipedia.org/wiki/Sunscreen

   [123] [147] [137] [127] [148] [125] [128] Since sunscreen's active ingredients work preventatively by creating a shielding film on the skin that absorbs, scatters, and reflects light before it can reach the skin, UV filters have been deemed an ideal “first line of defense” against sun damage when exposure can't be avoided.

8. 13 facial sunscreens dermatologists actually recommend to ...

   www.aol.com/news/13-facial-sunscreens...

   Whether you love it or love to hate it, sunscreen is a critical part of any skin care routine. This multitasking product helps shield your skin from harmful UV rays, fends off nasty sunburns, and ...

9. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   Extremely hot stars (such as O- and B-type) emit proportionally more UV radiation than the Sun. Sunlight in space at the top of Earth's atmosphere (see solar constant) is composed of about 50% infrared light, 40% visible light, and 10% ultraviolet light, for a total intensity of about 1400 W/m 2 in vacuum.