Tags: Ebola | virus | Xenex | robot | TRU-D SmartUVC

Ultraviolet Light Robots Kill Ebola in 5 Minutes

By    |   Monday, 13 Oct 2014 10:39 AM

 
While people panic worldwide over the spread of Ebola and scientists rush to develop vaccines, devices that kill the deadly virus present on surfaces in only five minutes are already available. The question is, why aren't these devices being used in every hospital?
 
The Xenex Germ-Zapping Robot, invented by a group of Texas doctors, kills the virus by using UV light to destroy its DNA. The TRU-D SmartUVC, pioneered by a British doctor, uses similar technology.
 
There are three different types of ultraviolet light. The first two — UV-A and UV-B — reach the surface of the Earth. The third — UV-C — is blocked by the Earth's ozone layer, and organisms have no defenses against it. When UV-C light meets viruses or bacteria, it destroys their DNA, thus robbing it of its ability to reproduce.
 
UV-C light has been used for many years to disinfect, but older technology relied on toxic mercury. The Xenex germ killer uses xenon gas, which leaves no poisonous residue, to create UV-C light that is 25,000 times more powerful than natural sunlight.
 
When the Xenex robot is wheeled into a room, all drawers, cabinets, etc., are opened so the light can reach their contents. All people are banned from the room and the light is pulsed from two to five minutes. Pathogens are destroyed in huge numbers — as much as 62 percent of bacterial superbugs and different types of viruses.
 
The Xenex robot, which costs about $100,000 a unit, is already used in 250 hospitals across the United States.
 
Another device, the TRU-D SmartUVC, also uses UV-C light combined with Sensor360 technology. The 5'5" machine is wheeled into the middle of a room and after calculating the amount of UV-C light needed based on the room's measurements, delivers a lethal dose of light that lasts from 20 to 35 minutes.
 
Studies with numerous pathogens, including Ebola, have shown that the TRU-D removes 99.99 percent of the most common pathogens that cause infections in healthcare settings.

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While people panic worldwide over the spread of Ebola and scientists rush to develop vaccines, devices that kill the deadly virus present on surfaces in only five minutes are already available. The question is, why aren't these devices being used in every hospital? The Xenex...
Ebola, virus, Xenex, robot, TRU-D SmartUVC
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2014-39-13
Monday, 13 Oct 2014 10:39 AM
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