UV radiation helps to fight viruses


Sunlight consists not only of visible colors, but also of ultraviolet rays invisible to humans. There are three different types of UV rays.

The first is UVA, also called soft, whose rays mostly reach the Earth. They penetrate deep into the skin, so we get a pleasant summer tan, but we should be careful, because UVA causes 80% of the signs of skin aging (wrinkles, pigment spots, etc.). The second is UVB, which breaks down DNA bonds in the skin, causes skin burns and can eventually lead to skin cancer. Both of these types of rays are well known to us, and we can protect against them by using sunscreens. The third type, UVC, also known as solid, is widely used to kill viruses, bacteria, and mold.

Disinfection UVS rays

Part of the UVC spectrum consists of a shorter, more active wavelength of light. It destroys genetic material particularly well. Naturally, UVC rays do not reach Earth because they are trapped in the atmosphere by the ozone layer, but as far back as 1878 scientists have discovered a way to artificially create UVC rays to kill harmful microorganisms. Since then, the use of UVC rays has become one of the main methods of sterilization. UVC rays work quickly and reliably. In a relatively short time (the exact time depends on the size of the room) disinfectants eradicated up to 99% of viruses, bacteria and fungi in the room air. Due to this efficiency and high demand, special UV devices have been developed to sterilize microorganisms and clean surfaces, objects and indoor air in living spaces.
For example, UVC is indispensable in disinfecting drinking water when the parasites found in it are resistant to chemical disinfectants such as chlorine. Open-type UVC equipment is most commonly used in industry, such as buses disinfected by this method in China. Their garages look spectacular, lit by blue light. Elsewhere, UVC-emitting robots are used to clean hospital floors. This technology is also used by banks to disinfect money. Some of the main disadvantages of open-type UVC disinfection are that it cannot be used on humans, animals, or plants, and that viruses and bacteria can re-enter the newly disinfected area after disinfection. When do you think a passenger-virus carrier can board a newly disinfected bus at a lift stop in China? (Which patient can bring the virus to the newly disinfected doctor’s office or waiting room?).


Devices adapted for safe domestic use

And what can be done to overcome the shortcomings of open-type UVC disinfection equipment? Enclosed UVC disinfection equipment comes to the rescue. They are designed to work constantly with people in the room. The permanent air disinfection device ensures safety in the event of new visitors. Studies have shown that wet cleaning of premises cannot provide an analogous result to that achieved by UVC rays. The closed type devices offered on the market are adapted to different spaces, so those who are looking for a solution for especially small or extremely large spaces will find a suitable option: dentists or beauty salons, office, production premises, school classrooms, canteens, waiting rooms. Generally speaking, rooms where people gather need to be safely disinfected.

The most important thing is security

When looking for the right device for yourself, make sure it is manufactured and sold by reliable manufacturers and suppliers who provide a warranty. The device must be CE certified, which ensures that products sold in the European Economic Area meet health, safety and environmental standards. In this case, you will avoid counterfeits imported from third world countries.
If you are going to disinfect the air in a room where there will be people, remember that Open-type appliances can burn the skin and eyes. Choose closed-type devices. Only this type of equipment does not harm others and ensures reliable disinfection.

 

UV light

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