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UVC & THE SCIENCE BEHIND IT.

covid-blog-post

UVC sterilization has been one of the most revolutionary discoveries of our time and now we can safely employ this powerful technology at home, so that, you can continue keeping your surroundings bacteria and virus free, safest for you, and your family.

UV refers to a range of electromagnetic waves with a shorter wavelength (higher frequency and energy) than the visible violet light. For UV disinfection, only UVC (100-280nm) hold the highest energy to destroy microorganisms. It destroys the molecular structure of the DNA, RNA and proteins of any microorganism and prevents it from multiplying. If a microorganism cannot multiply, it is considered dead as it can no longer reproduce, thus turn non-infectious. So, while picking up your UVC sterilization device, make sure that UV wavelength falls in the range of UVC (100-280 nm).

So we say, sterilize all.

How Does UV Disinfection Work.?
Ultraviolet disinfection has been in medical practice for more than a decade now. But only in the newly ascertained normal of the post-pandemic world, it is also being frequently used for domestic purpose to ensure more meticulous disinfection of our home and belongings.

But how exactly does it work to sterilize?
UV light which is invisible to the human eye takes up the electromagnetic spectrum between X-rays and visible light. A very specific range of UV light’s wavelength which is between 200 and 300 nanometers (billionths of a meter) has been observed to have germ-killing properties. To put it simple words, this specific range of UV light can stop the functions of microorganisms, such as bacteria, viruses, and protozoa which makes it an effective and chemical-free solution to kill any kind of virus including Corona.

UV light damages the structure of the nucleic acid of any pathogenic microorganisms by getting absorbed in cellular DNA and RNA. This absorption causes the new formation of bonds between adjacent nucleotides, generating double bonds or dimers. This particular type of dimerization prevents the DNA of bacteria and viruses to replicate. Without replication, the microorganism goes inactive I.e dies.

Is it safe for us to use UV light in the home?
UV light consists of three types of UV rays including UV-A, UV-B, and UVC.
The first two have been proven to be deadly for human beings as it can cause cancer and other damages to humans. However, known as “FAR-UVC” which refers to a specific wavelength of UV light is an exception. This range of UV light only gets absorbed into the first two layers of human skin which act as a barrier and don’t let it penetrate beyond that.

But pathogens that are present in the air do not have the barrier of skin which makes them vulnerable to Far-UVC light. All UV light sterilizers are made utilizing far-UVC which is safe for humans to use for disinfection and sterilization.

How effective is UVC sterilization? Can it kill ALL viruses and bacterias?
UVC sterilization is 99.99% effective in destroying all kinds of viruses, bacterias, and microbes. Not only that, but UVC at 254 nm is also deadly against all foodborne pathogens, natural microbiota, molds, and yeasts. Though microorganisms of different kinds take different amounts of time in UV absorption, so the duration may vary for the different types of germs.

How long does it take to sanitize my phone/keys or daily essentials?
The standard procedure for UV sanitization is very quick. Within a minute, all of your daily essentials can be sanitized through the UV box. For UVC phone sterilizer, flash the light in each item for ten seconds or so.

Is UVC sterilization safe for us to use at home?
UVC sterilization is safe to use on products but it should not be used on the human body directly. Keep the items away from your body while sterilizing. It can be safely used to sanitize domestic surface areas or office spaces.

Can UVC Disinfection products be used near kids?
UVC sterilizer will not harm kids if they do not directly come under the light. So it is best advised to use the sterilizer away from kids, to ensure that the UV rays do not get absorbed by their skin.

Is UV effective against “super germs”?
As UV sterilizer causes physical destruction of the structure of the microbes, it is absolutely effective against super germs or superbugs.
In a post-pandemic world, worry and fear are anticipated to be a part of our daily routine. But what we can do is ensure those surroundings safe and sanitized without any compromise and UVC sterilization is one of the best ways to achieve that.

Can we use the products immediately after they have been UVC sterilized?
There is no side effect of UVC sterilization of the products. All the products can be used right after UVC sterilization.

What is the sterilization rate for UV sterilizers?
The UV sterilizers have the full potential of destroying microbes at a rate of 99.9%.

What is the amount of UV light needed to kill microbes effectively?
Dosage is the unit of measurement used to measure the UV light needed to kill microbes.
Dosage = UV light intensity * exposure time

Dosages for a 90% kill of most bacteria and viruses range from 2,000 to 8,000 μW. s/cm2.

Do UV light cause damage to food?
No, in fact, research shows that mild ultraviolet light technology can kill foodborne pathogens on the surface of certain fruits. The UV-C light doesn’t affect the chemical property nor the physical property of the fruit.

Do UV Sterilizers perform better than steam?
The major advantage of UV sterilizer to steam is that the drying function allows the object to be used immediately after the process of sterilization. Thus it makes it easier to kill germs on the surfaces of the object in comparison to steam.

Do UV Sterilizers cause any harm to humans?
The UV sterilizers are all made up of UV-C light rays. They have shorter wavelengths that are less than 280nm when compared to that of UV-A & UV- Blights, which are harmful to human skin and there are chances of being infected by Skin Cancer too. However, longer exposure to UV-C Light is also not recommended.

Can UV sterilizers be used to disinfect phones?
Yes, of course, UV sterilizers can be used to disinfect phone surfaces. UV box sterilizer is best preferred for phones as it has a wireless charger too. But exposure to microbes outside by phone isn’t guaranteed. They need to be disinfected again on further exposure.

Hospitals use UV sterilizers to disinfect and kill germs?
The UV sterilizer machine emits UV-C rays into the empty room for about 30 minutes. The light from the machines bounces and reflects into hard-to-reach areas. The light waves kill bacteria by disrupting their DNA.

Is Ozone generated during the sterilization process?
The UV sterilizers are Ce approved products and are safe to use. They are eco-friendly products that emit UV-C light and are safe to use.

Are there portable UV sterilizers?
Yes, there are portable UV sterilizers that are lightweight and can be carried along with you anywhere you go with ease.

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