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(새 문서: Researchers Say UVC Gentle Could Preserve Buildings Coronavirus Scientists found that a specific kind of ultraviolet mild might be used for air disinfection. With the onset of COVID-...)
2020년 6월 27일 (토) 14:12 기준 최신판
Researchers Say UVC Gentle Could Preserve Buildings Coronavirus
Scientists found that a specific kind of ultraviolet mild might be used for air disinfection. With the onset of COVID-19, Ushio has accelerated its timetable for a Far-UVC 222nm roll-out, and expects to start out commercial production this fall of its ninety two x 70-mm (about 3 x 4 inches) Far-UVC excimer lamp kits. The UVC portion of the spectrum, 220-280 nm, is rather more efficient for disinfection. Samples of endoscope material have been uncovered to UVC and 405 nm germicidal gentle sources and a broad spectrum gentle supply management.
Starting within the Thirties, a Harvard sanitary engineer demonstrated that UV lamps installed close to the ceilings of public schoolrooms dramatically reduce measles an infection charges among pupils. In a separate ongoing research, the researchers are testing the efficacy of far-UVC gentle towards airborne SARS-CoV-2. Nevertheless, shorter wavelength UV radiation is less capable of penetrate the pores and skin.
That is what made it personal for Professor Brenner , who took on Far-UVC research after dropping a good friend to hospital-acquired an infection. These research have investigated the effect of far UV-C radiation on mice by measuring key chemical and physical modifications identified to point damage from UV-C publicity. All of them produce various amounts of UVC light in wavelengths of 200 - 280nm.
The gap at which the maximum permissible UV light publicity time is the same as eight hours is named the Hazard Distance (HD), beyond which the relevant exposure restrict worth can't be exceeded. UVC is damaging to the pores and skin and to the eyes. Which may file the transmittance of the glass or film as a function of wavelength, you possibly can simply see if the UV rays (less than 400 nm) are blocked.
Based on current literature it's expected that far UV-C might be efficient in inactivating SARS-CoV-2 given adequate UV publicity. That is achieved by adopting the most restrictive exposure limit for the eyes, which can rely on the UV mild wavelengths and irradiance values emitted by a particular UV mild source. A sort of ultraviolet light called far-UVC - which is secure to make use of round individuals - kills more than 99.9 percent of airborne coronaviruses, a brand new research has discovered.
Various research have been revealed discussing acute and continual exposure to far UV-C, mostly utilizing Kr-Cl excimer lamps. Employers should assess the extent of danger for hostile health effects by determining UV mild private publicity levels and evaluating with the UV gentle ELVs. Sure, but as with all UV-C solutions we need accurate inactivation (dose) response curves to determine the UV exposure (UV dose) required for the specified level of disinfection.