With the rise of UVC sterilisation as a hot topic this year, many people are unsure of what it is and how it works.

Although rather scientific, the information below is there to serve as a guide on the topic. 

So let’s look at UV sterilisation and how it works…

UV Light

two babies and woman sitting on sofa while holding baby and watching on tablet

UV sterilization, only UVC (100 – 280 nm) has the ability to kill microorganisms effectively. UV is divided into two types: those that have a reduced wavelength and those that have increased energy (so-called “UVC” or “UV-V” for ultraviolet light and UV-UV for UV radiation) and the other two types of UV.

UVB and UVA radiation is not a suitable means of sterilization, as it damages the body. The UBA, also known as the “show wave,” affects the top layer of the skin and causes skin cancer and sunburn. 

UVB radiation can not only damage the damaged skin layer, but also the DNA in the skin. There are a number of highly associated cancers such as melanoma, glaucoma and skin cancer.

The UVA does not enter the body in the form of visible light, but as ultraviolet radiation (UVB) and ultraviolet light.

This UVA then penetrates into the second layer of the skin and plays an important role in skin damage and wrinkles. UV radiation, also known as long-wave light, also penetrates through glass and clouds. This accounts for about one-third of the UV radiation reaching Earth, according to the US Environmental Protection Agency.

UV Sterilisation

UV sterilisation is not a new technology, as it was discovered in 1879. This type of technology gained importance in the 20th century during large tuberculosis outbreaks. 

uvc air sterilisation units uk

Uv sterilisation works well and is safer than harsh chemicals. The structures of DNA, RNA and proteins are destroyed and prevent the spread of the microorganisms. 

If an organism is no longer able to grow, can no longer reproduce in the host, or is infectious for a longer period of time, it is considered dead.

UV sterilization uses the frequency of UVC to destroy biomolecules, but its effectiveness depends on the overall frequency and energy that is released into the area. 

Businesses can now use a UV lamp that maintains a powerful enough wave of UVC light to clean up to 40 metres squared.

 It will take only around 20 minutes for complete sterilisation to occur. 

UV Light Works Many Ways

UV is unique in that it allows the rapid inactivation of microorganisms by physical and not chemical processes.

killing viruses with uv light

 If organisms such as bacteria, viruses or protozoa are visible at the germicidal wavelengths of UV light, they are killed because they cannot reproduce or allow one to become infected over time. 

The killing of all types of these microorganisms is different, as they have different sizes and shapes that influence their UV absorption.

Cellular RNA and DNA, which form new bonds with distant nucleotides (which leads to double bonds), therefore absorb high frequencies associated with short-wave UV energy, which are mainly at 254 nm. 

UV light paralyzes microorganisms without damaging nucleic acid, but recent studies have also observed that it can destroy a process called UV oxidation.

UVC and Covid 19

UV sterilisation works both for bacteria and viruses, but recent studies have shown that it works against the new SARS CoV2 , Or Covid 19.

Based on the available evidence, it is believed that UVC can help prevent the spread and transmission of coronaviruses, and on the basis of this available evidence, it is also believed that it can help prevent the transmission of coronaviruses through the use of ultraviolet light in the treatment of infectious diseases.

As a device for disinfecting the environment, this technology is capable of killing microorganisms that not even the eye can see. When exposed to light, commonly used objects can have the microbes within them destroyed within seconds.

UV sterilisation is a practical measure for disinfecting microorganisms.

The air can be disinfected by the UVC lamps so by moving lamps throughout the house and all rooms, you have the ability to kill viruses and bacteria anywhere in the home.

 UV can also disinfect equipment at the workplace without leaving residues, so make sure that equipment and instruments are wiped down and the system runs accordingly. 

More Tips and Conclusion

UV sterilization has certain limitations, such as the danger of being in a room when an external lamp system is running. 

Many modern UVC lamps have a device with a protective shield that helps to avoid direct contact between the device and humans. 

uv light clean train cars

UVC is dangerous to humans, especially to the skin and eyes, and has also been observed to cause DNA damage.

UV light is being used to help us get back to work and normal after almost a year of lockdowns. It is important to stay safe but to also look at technology to help us get through this.

Now, we are itching to get back to our holidays and pub outings and with the recent information above we can hopefully start to do this in 2021.

Another benefit is that UV treatment is not corrosive, so no chemical residues are left behind and no chemicals are required. 

It is easy to use when placed appropriately, does not require chemicals and kills all kinds of drug-resistant bacteria and microorganisms.

UV light is also used to kill Cryptosporidium and Giardia in water, both chlorine-resistant pathogens that can cause bacterial infections and bed infections. 

This will not affect water quality and there is no need to use chemicals such as chlorine or other environmentally harmful chemicals. 

Whether you’re looking for microorganisms hibernating under your hotel sheets or a gizmo to disinfect your office, UV sterilisation is a great option.

Thanks for reading and see our products here if you’re interested in the UVC sterilization system for your home or business.

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