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  2. Air ioniser - Wikipedia

    en.wikipedia.org/wiki/Air_ioniser

    A 2018 review found that negative air ions are highly effective in removing particulate matter from air. [ 6 ] The SARS epidemic fuelled the desire for personal ionisers in East Asia, including Japan (where many products have been specialised to contain negative ion generators, including toothbrushes , refrigerators , air conditioners, air ...

  3. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    UVC or Ultraviolet Germicidal Irradiation is a function used in modern air conditioners which reduces airborne viruses, bacteria, and fungi, through the use of a built-in LED UV light that emits a gentle glow across the evaporator. As the cross-flow fan circulates the room air, any viruses are guided through the sterilization module’s ...

  4. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    For example, forced air systems by design impede line-of-sight, thus creating areas of the environment that will be shaded from the UV light. However, a UV lamp placed at the coils and drain pan of the cooling system will keep micro-organisms from forming in these naturally damp places. The most effective method for treating the air rather than ...

  5. Does UV Light Kill Coronavirus? - AOL

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

    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 in eradicating coronavirusā —UVC.

  6. List of unproven methods against COVID-19 - Wikipedia

    en.wikipedia.org/wiki/List_of_unproven_methods...

    UV-C light being used to sterilize equipment in a laboratory. UV-C cannot be used to disinfect people as it can damage the skin and eyes. Exposing people to sunlight will not prevent or cure COVID-19. It has been falsely claimed that UNICEF said so, in coronavirus prevention guidelines; UNICEF officials refuted this.

  7. 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 ...

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