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The New York Times covered how this technology is coming for the coronavirus, and is already installed in the New York Subway.

AOP technology sanitises the air like no other, killing 99% of sneeze germs.

It is the most effective, affordable solution available in the UK to clean and purifiy the air.

Our units are small, practical products and can be installed in an a wide range number of applications such as vehicles and buildings.

 

Wall Street Journal : Text Extract

The New Germ Warfare

Light portals at cupcake stores. Ionizing filtration in subways. Technology is coming for the Cornavirus.

Cupcake fans walking into New York City locations of the iconic Magnolia Bakery will soon encounter something a little less Sarah Jessica Parker in “Sex and the City,” a little more Dustin Hoffman in “Outbreak.” Anyone wishing to enter will be encouraged to pass through a cleansing chamber, analogous to the disinfecting airlocks outside biohazard labs.

Person Stood In a cleaning Portal
The Cleanse Portal is one of the first examples of a device that uses far-UVC light to sanitize skin and clothes of people as they enter a building.

Patrons’ entire bodies will be bathed in ultraviolet light for 20 seconds. Based on years of research, scientists say they are confident this particular type of UV light is lethal for viruses and bactena, but safe for humans.

Uptown, at Columbia University, a population of 100 hairless mice has been living under this so-called far- UvC light for almost a year. So far, they’ve shown no ill effects.
This unexpected juxtaposition of frosting and physics is but one example of the novel experiences we’re all about to have. Before the coronavirus pandemic, humans spent most waking hours in communal indoor spaces: offices, schools, retailers, restaurants, sports arenas and gyms. To get us to come back, the people running these facilities will or should attempt to reassure us with a combination of high technology and mundane interventions.

The Coronavirus appears to spread most rapidly indoors, through close personal contact but also potentially through circulation by building ventilation systems, according to a report from the Centers for Disease Control and Prevention. Personal contact can be managed through social distancing and reducing the number of people in indoor spaces. But a possibly airborne illness requires a rethink of the way we heat and cool our buildings potentially with an assist from new technologies meant to eradicate pathogens soon after they leave our mouths.

Subway In Newyork Viewed in Ultra Violet Light
A demonstration of UVC disinfecting lamps in a New York subway car. The system is also testing technology that uses ionized particles.

The problem of poor indoor air quality has grown so acute in the past few decades that in many cities, indoor air is now more polluted than outdoor air, says Emily Anthes, author of “The Great In- doors,” a forthcoming book on the science of enclosed spaces. One reason is that, in the drive for energy efficiency, some buildings have become sealed tombs with little outdoor-air exchange.
Engineers have known for decades how to take in more outdoor air in a way that doesn’t sacrifice energy efficiency, but such measures haven’t been a priority until now, since they require more design effort and equipment than simply recirculating air. Another way to improve air quality is to in- stall filters capable of catching even the finest particles, including ones as small as the Coronavirus, so that air ducts aren’t spraying a fine mist of recirculated, potentially virus-laden droplets all over everyone who walks by.

Improved filtration is an option for many buildings, says William Bahnfleth, the head of the Epidemic Task Force at the American Society of Heating, Refrigerating and Air-Conditioning Engineers. But, he says, it isn’t realistic to bring most buildings up to the standards of airplanes or hospital rooms—both of which use the highest-grade HEPA filters and completely filter their air many times per hour. This is where new and emerging technologies could make a meaningful difference.
Consider ionized particles, that is, positively and negatively charged molecules—that can activate airborne pathogens they collide with. New York’s Metropolitan Transportation Authority is currently testing one technology that uses them, called photo- hydro ionization, for the New York City subway system. This technology has already been deployed in hundreds of restaurants across the country, including those owned by Chipotle Mexican Grill Inc., as well as gyms, sports arenas, hospitals and federal buildings, says the vice president of sales for the air division of RGF Environmental Group, the Palm Beach, Florida based company that manufactures the technology.

The efficacy of ionizing filtration systems is still being debated, says Prof. Bahnfleth, who also teaches at Pennsylvania State University. RGF says its particular technology has been shown effective against a variety of pathogens in multiple lab tests.

High-frequency ultraviolet light, known as UVC, has long been used to sterilize hospital rooms. It’s dangerous for humans, but it could be focused to shine only in a narrow band near the ceiling of a room, or installed in HVAC choke- points, such as the coils where heat is exchanged, to disinfect air as it passes by.

It turns out that an even higher frequency UV light, called “far UVC” is, according to its proponents, safe for humans. So far it has been tested in mice and, in at least one study, on human volunteers. It’s still capable of blasting tiny microbial pathogens, including some viruses.

The Cleanse Portal that Magnolia Bakery plans to use, designed by Cocoa Beach, Fla.-based lighting company Healthe, is one of the first examples of the use of far- UVC as a means to sanitize the skin and clothes of people as they enter a building. Its five emitter far-UVC array is designed to hit people from multiple angles. Magnolia also plans to use a second version of this technology, with emitters in ceiling lamps, to continually sanitize the air and surfaces inside its bakeries.
These systems keep exposure at or below the levels mandated by standards from the National Institute for Occupational Safety and Health. Those standards were developed to cover every kind of UV exposure, even the sort that is already known to be dangerous, so they may ultimately prove to be overly cautious. Scientists who are confident far-UVC is safe argue that because the wavelength of far UVC is so short, it can’t penetrate the outer layer of dead cells that covers our entire body, even our eyes.

Physics and animal studies aside, some scientists think we’ll need to test it more extensively on humans before declaring it safe. Given the novelty of far UVC, one drawback of these systems is that they’ll almost certainly cause some degree of public consternation.
Experts emphasize that the best approach to reducing illness in shared spaces is to employ many different interventions, not just one magical air filter or light fixture. In other words, you’ll still have to wear a mask, keep your distance and wash your hands.

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