COVID-19: Virus removal by irradiation for 9.65 seconds: UV robot, UV buster
Itabashi Ward
Nihon University School of Medicine,
RIKEN,
Farmroid
September 4, 2020
UV Buster:
The data of the new corona inactivation experiment by the domestic ultraviolet robot “UV Buster” was released.
We conducted a demonstration experiment on the inactivation of the new coronavirus by the ultraviolet lamp mounted on the ultraviolet robot UV Buster.
As a result, it was announced on September 9 that it proved inactivation in a short time.
This study:
The UV robot “UV Buster” is equipped with a UV lamp. ..
Ultraviolet rays are 253.7 nm, which is harmful to the human body and must be handled with care.
Irradiation was performed from an irradiation distance of 30 cm for 0, 5 seconds, 15 seconds, and 30 seconds.
The inactivation mechanism of the new coronavirus has been clarified.
This time, the inactivation experiment on May 26, 2020 was studied more precisely.
results of the experiment:
4.87 seconds irradiation Virus titer reduced to 1/10
Irradiation for 15.0 seconds Virus titer reduced to 1/1000
Irradiation for 22.6 seconds The virus is inactive to the lower limit of detection,
Virus titers have been reduced to 1 / 50,000.
UV Buster Performance:
The main lamp (about 110 cm in length) mounted on the car body has 2.34 times higher illuminance than the sub lamp mounted under the car body.
Converting it,
After 9.65 seconds of irradiation, the virus was inactive to the lower limit of detection, and the virus titer was reduced to 1/50,000.
In other words
When the UV buster irradiates the wall surface or desk with ultraviolet rays while traveling at a speed of 0.5 to 1.0 km / h,
The new coronavirus will be inactivated before it can be detected.
Robosta