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TECHNOLOGY: Understanding UVC Light Disinfection

Ultraviolet light occurs naturally; it is a portion of the electromagnetic spectrum produced by the sun.

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Safety with assurance; bringing the power of light & air to the places you work, live, and play.

By understanding your challenges we can design & provide next-generation disinfection solutions with proven UVC and NTP technologies for any scale. Talk to us today.

THE SCIENCE OF UVC LIGHT

What is UVC Light Technology?

What is UVC Technology

 

UVC LIGHT FOR AIR + SURFACE SANITIZATION

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HOW DOES UV LIGHT KILL GERMS?

Over 140 years ago Arthur Downes & Thomas P. Blunt discovered the antibacterial effects of sunlight. They determined that shorter wavelengths of the solar spectrum were more effective at neutralizing bacteria. It is now widely known that there are substantial germicidal and anti-bacterial effects from UV-C, UV-B, and UV-A light spectrums.

With UV-C technology it is possible to destroy more than 99.99% of all pathogens within seconds- both in the air and on surfaces- without adding chemicals, without harmful side effects and as an inexpensive solution that is highly efficient and reliable.

The cell nucleus of micro-organisms or pathogens (bacteria and virus) contain thymine, a chemical element of the DNA/RNA. This element absorbs UV-C light and changes to such an extent (formation of thymine dimers) that the cells are no longer capable of multiplying and surviving. All bacteria and viruses tested to date (many hundreds over the years, including other coronaviruses) respond to UVC disinfection. Some organisms are more susceptible to UVC disinfection than others, but all tested so far do respond at the appropriate doses.

  •  UV-C penetrates the cell wall of the microorganisms
       
  • The high energy photons of the UV-C are absorbed by the cell proteins and DNA/RNA

  • UV-C damages the protein structure causing metabolic disruption

  • DNA/RNA is chemically altered so organisms can no longer replicate

  • Because microorganisms are now unable to metabolize or replicate, the UV-C light has effectively and safely sanitized the UV-C workspace area.


UVC LIGHT FOR SANITIZATION

Light is comprised of different wavelengths, each with their own unique properties. The germicidal properties of ultraviolet (UV) light, part of the non-visible spectrum, can be harnessed to effectively sanitize the air, water and surfaces. At the appropriate wavelength and fluence (dose), exposure to ultraviolet light modifies or destroys the genetic material (DNA and RNA) in all viruses, bacteria and mold, preventing replication.

PBI Ultra's air and surface sanitizing products employ various combinations of UV light and filtration to inactivate pathogens, including Far UV-C (200-230nm) which is safe for human exposure, UV-C (231-280nm),  with some products also utilizing UVB and UV-A (365nm).

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BROAD SPECTRUM OF LIGHT FOR OPTIMUM EFFECT

The innovative products at PBI Ultra bring a significant breakthrough in germicidal protection for our world- safely managed disinfection on demand. The new generation of light sanitization solutions has a range of products which utilize different segments of this powerful, broad-spectrum light, including germicidal UVC (231- 280nm) Far-UVC germicidal (200-230nm) which is known to be safe for human exposure, UVB and anti-bacterial UVA to optimize the germ-killing efficiency of the products specified.

UV-C is most traditionally referred to as germicidal UV with UVC irradiation having the ability to kill pathogens and mircro-organisms such as bacteria, viruses, mold, and fungus.

UV-A and UV-B light causes oxidation of proteins and lipids causing cell death. UVB penetrates and damages the outermost layers of your skin. Overexposure causes suntan/tanning, sunburn and, in severe cases, blistering.

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BRINGING PROTECTION AGAINST GERMS & PATHOGENS TO YOUR SPACES

Whether we like to think about it or not, germs are everywhere. However, UVC disinfection is a proven, safe, and effective solution to help protect our world against harmful bacteria and viruses.

With the patented technology from PBI Ultra, there are now cost-effective ways to bring clinical-level protection to everyday spaces, including athletic facilities, schools and universities, commercial office spaces, hotels, healthcare facilities, and more, as well as for targeted disinfection of equipment, such as PPE

COVID-19 STATEMENT FROM THE INTERNATIONAL ULTRAVIOLET ASSOCIATION

The International Ultraviolet Association (IUVA) believes that UV disinfection technologies can play a role in a multiple barrier approach to reducing the transmission of the virus causing COVID-19, SARSCoV-2, based on current disinfection data and empirical evidence. UV is a known disinfectant for air, water and surfaces that can help to mitigate the risk of acquiring an infection in contact with the COVID-19 virus when applied correctly.

"The IUVA has assembled leading experts from around the world to develop guidance on the effective use of UV technology, as a disinfection measure, to help reduce the transmission of COVID-19 virus. Established in 1999, the IUVA is a nonprofit dedicated to the advancement of ultraviolet technologies to help address public health and environmental concerns," says Dr. Ron Hofmann, Professor at the University of Toronto, and President of the IUVA.

“The data that backs up this technology, the ease of its use, and the non-contact nature of UVC make it a valuable tool amid the pandemic” Indermeet Kohli MD, Research Physicist at Henry Ford Hospital, Detroit

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KEY BENEFITS OF USING LIGHT
  • Environmentally-friendly
  • No chemicals, no residues, zero environmental impacts
  • Affordable
  • Kills rapidly - starting within seconds
  • Microbial cells cannot develop resistance to this technology
  • Proven ability to be able to deploy it safely to kill bacteria, mold, fungi, and viruses
  • Improves workflows by decreasing the frequency and intensity of traditional manual cleaning.

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SCIENTIFIC SUPPORT

FLUENCE (UV DOSE) REQUIRED TO ACHIEVE INCREMENTAL LOG INACTIVATION OF BACTERIA, PROTOZOA, VIRUSES AND ALGAE

Authors: Malyeri A.H., Mohseni M., Cairns B., Bolton, J.R., Chevrefils G., Caron E.
This paper advises the UV dose required to inactivate various pathogens, including bacteria, protozoa, viruses and algae based on the lamp type.
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GERMICIDAL EFFICACY AND MAMMALIAN SKIN SAFETY OF 222-NM UV LIGHT

Authors: Manuela Buonanno, Brian Ponnaiya, David Welch, Milda Stanislauskas, Gerhard Randers-Pehrson, Lubomir Smilenov, Franklin D. Lowy, David M. Owens, and David J. Brenner. This study discusses the germicidal effects of 222nm (Far-UV) light, which is significantly harmful to bacteria, but demonstrates no harm to human cells.
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LONG TERM EFFECTS OF 222 NM ULTRAVIOLET RADIATION C STERILIZING LAMPS ON MICE SUSCEPTIBLE TO ULTRAVIOLET RADIATION

Authors: Nozomi Yamano, Makoto Kunisada, Sachiko Kaidzu, Kazunobu Sugihara, Aiko Nishiaki-Sawada, Hiroyuki Ohashi, Ai Yoshioka, Tatsushi Igarashi, Akihiro Ohira, Masaki Tanito, and Chikako Nishigori. This study focuses on the human safety in regards to long term exposure of 222nm (Far-UV) light and suggests 222nm FAR-UVC lamp can be safely used on humans.
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FAR-UVC LIGHT EFFICIENTLY AND SAFETY INACTIVATES AIRBORNE HUMAN CONONAVIRUSES

Authors: Manuela Buonanno, David Welch, Igor Shuryak and David J. Brenner

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LIGHTING FIRM SIGNIFY SAYS UV LIGHT BREAKS DOWN CORONAVIRUS PARTICLES IN SECONDS

Boston University
CNBC

PRODUCTS BY CATEGORY

EXPERTS IN INFECTION PREVENTION AND CONTROL, WITH LEADING SANITIZATION TECHNOLOGIES AND PROVEN METHODOLOGY TO REDUCE THE RISK OF CONTAGION TRANSMISSION.  


Air & Surface Sanitization

Air & Surface Sanitization

Unveiling a new era of health and hygiene innovation. Kill germs in a flash on the air and surfaces with our family of UVC disinfection products featuring UVC light. 

Powerful and efficient UVC technology can be implemented with a variety of applications, powering versatile on-demand solutions that will pathogens and contagions in the air and on surfaces, giving you control over health without chemicals or costly consumables. Our technology has been proven effective at killing up to 99.9% of harmful bacteria and viruses, including Norovirus, MRSA, C. diff, Salmonella, C. auris, and E. coli. 

Air Purify & Sanitize

Air Purify & Sanitize

Air pollution in confined spaces is an important public health issue, with significant social and economic implications. The high concentration of contaminants in such environments has a negative impact on the health and wellbeing of people, especially in case of long periods of exposure. Now you can have clean, healthy air for any environment with UVC air sanitization products.

Wall or ceiling mounted air purification units can be safely operated 24/7 without any risk of exposure since the UV-C light is completely confined within the device, ensuring the complete safety of any people and pets that are present.

Quiet internal fans draws the air from the room into a germicidal box for disinfection and purification from microbes and chemical contaminants, which the air is then introduced back into the environment without contaminants. HEPA filters further reduce airborne particles, further filtering against airborne contaminations in any area where a lot of people are present, and in crowded rooms.

Healthier staff, clients, customers, patrons and patients equals less down time, greater productivity as well as the assurance of a healthy, safe environment to work and play.

Mobile Sanitizer Units

Mobile Sanitizer Units

Mobile Units are great for disinfecting areas with unpredictable or changing visitors or traffic patterns like hotel & motel rooms, operating rooms, patient rooms, X-Ray/MRI rooms, large shower areas or saunas. Positing the unit and let the light take care of disinfection. 

Easy-to-manoeuvre Mobile Units are lethal to bacteria & pathogens.  Simple to use, Mobile Units include smarts for user safety such as delayed UVC lamp start for safe exit, timer function for exposure , and motion sensor technology to inactivate, preventing unwanted exposure to humans and pets.

An economical sanitization solution for use over a range of rooms or spaces, bring the germ killing power of the sun with you to protect the people and places that matter most. 

Robotic Mobile Disinfection

Robotic Mobile Disinfection

A revolutionary new standard of disinfection for any space, place or venue from an airport lounge, airport baggage areas, through to a kindergartens,  gymnasiums, aged care homes, supermarkets and hotels- not to mention hospitals, infection wards, operating theaters and surgeries.

In partnership with IC Disinfection (Australia),  PBI Ultra is proud to bring this intelligent and ground-breaking robotic solution as the New Zealand agent.  The UVD Robot was designed in Denmark to the exacting specifications of the Danish Government, and is manufactured by UVD Robots ApS which is part of Blue Ocean Robotics, Denmark. 

UVD Robots philosophy is centered around integrating proven UV germicidal industrial solutions with new advanced robot technologies creating innovative products helping the healthcare industry in the eradication of harmful pathogens and superbugs, thereby making healthcare environments safer and improving quality of care for hospitals and healthcare facilities around the world.

Robots are safe, reliable and efficient,  eliminating human error. Our UVC Robot is user friendly and is designed to be operated by every-day cleaning staff, and can safety disinfect environments where risk of contamination makes it unsafe for people to venture.

 

Watch as a UVC Robot Disinfects a Hotel Room

 
People Safe Far UVC

People Safe Far UVC

Studies* over 10 years indicate no harm to humans from continuous low dosages of 222 nanometer, far-UVC light. Yet the source effectively inactivates over 90% of contaminants in the air and on surfaces, based on the intensity and brief exposure time as described for each product. 

"Far-UVC light has the potential to be a 'game changer.' ... It can be safely used in occupied public spaces, and it kills pathogens in the air before we can breathe them in." - Dr. David Brenner, Ph.D., D.Sc., Columbia University professor of radiation biophysics and leading researcher of Far-UVC light.

 

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Far-UVC 222 lamps can disinfect at the 'edge' of occupied indoor spaces and greatly reduce the level of airborne coronaviruses; traditional UVC lamps are only safe to use in unoccupied indoor spaces. Position this people-friendly and safe version of far-UVC around any high traffic areas or critical entry points, to significantly reduce infection transmission rates- on the air that you breathe, on the surfaces you touch.  Let us help you design safe and healthy indoor environments. 

Integrated Design UVC

Integrated Design UVC

Powerful and efficient UVC technology can be integrated into a variety of applications, powering versatile on-demand solutions that give consumers control over health without chemicals or costly consumables. Disinfection on demand for any room, any size, any time- with emphasis on sustainable living, good health & wellbeing,  we can now design integrated sanitization systems into buildings using latest smart technology for premium performance and safety.  The miniaturization of high intensity, UVC light is a significant breakthrough for disinfection technology meaning it can be discreetly integrated into the most demanding architectural interiors. 

Utilizing the innovation of Far-UVC safely for occupied rooms and people exposure, along with UVC with automated timer and motion sensor programs, we work with you to design a sanitization solution to meet and manage the risk of contamination in real time within any environment- from high traffic areas, shared spaces, clinical rooms, ablution areas to office environments.  Healthier staff, clients, customers, patrons and patients equals less down time, greater productivity as well as the assurance of a healthy, safe environment to work and play.

Our approach is making UVC disinfection technology accessible to organizations & environments with any size budget.​

PPE & Object Sanitization

PPE & Object Sanitization

In today’s world, keeping people and their environments healthy is more important than ever. These products provide a quick and easy method to clean and sanitize your personal belongings, PPE, tools and equipment- creating a safe and effective way to protect against germs, bacteria and viruses. 

Harness the power of UVC light to sanitize your gear in a safe and efficient manner, with the assurance that risk of contamination has been eliminated. Start each day with properly sanitized gear, and make sure you don't bring home contamination- sometimes sharing really isn't caring!

Operating with automatic shut-off technology which safeguards you from exposure to powerful UVC light. 

HVAC Integration

HVAC Integration

For improvement of indoor air quality,  germicidal UVC can help disinfect at the source of germs, which is typically coils or drain pans. It can greatly reduce the threat of pathogens entering the building through the HVAC system.

Germicidal UV fixtures not only clean your system, they improve the heat exchange efficiency. That means your energy costs are going down. Reduce maintenance with germicidal UVC as a source of constant maintenance for your HVAC system. Instead of having to constantly pressure wash or clean equipment, germicidal UV constantly cleans disinfects, leading to less mold build-up.

With no harsh chemicals, you can stop using those bleach tablets in your drain pans as germicidal UVC can replace or reduce the use of harsh chemicals. Plus, you can enter a room immediately after the products are turned off- no need to wait for harsh chemicals to dissipate.

Healthier staff, clients, customers, patrons and patients equals less down time, greater productivity as well as the assurance of a healthy, safe environment to work and play.

 

 

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LET'S CHAT UVC DISINFECTION - IT'S WHAT WE DO!

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Whether you're working on a new project, looking to retrofit to an existing building, or after mobile sanitization, we would love to help. Get in touch by any means and our UV experts will see you right.