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The impact of heating, ventilation, and air conditioning design features on the transmission of viruses, including the 2019 novel coronavirus: A systematic review of ultraviolet radiation

Submitted by farvuclamp on Wed, 05/11/2022 - 19:40

Respiratory viruses are capable of transmitting via an aerosol route. Emerging evidence suggests that SARS-CoV-2 which causes COVID-19 can be spread through airborne transmission, particularly in indoor environments with poor ventilation. Heating, ventilation, and air conditioning (HVAC) systems can play a role in mitigating airborne virus transmission.

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Market Analysis: Research On The Epidemic Situation Application Of Recycled Anti-Virus And Anti-Bacterial Bionic Cotton Fabric

Submitted by farvuclamp on Wed, 05/11/2022 - 17:54

As one of the most frequently used product categories, textiles are widely used in clothing, home textiles, home decoration and other fields. Textiles exposed to the air for a long time are not only easily affected by the climate and air humidity, but also easily lead to the retention of microorganisms on the surface of fabrics when they are in direct contact with various viruses or even human sweat. This will not only affect the beauty of textiles, but also cause odor accumulation and fabric damage, which will lead to products being discarded in advance.

Far UVC Light Could Eradicate The Next Pandemic

Submitted by farvuclamp on Wed, 05/11/2022 - 17:50

Using a new form of safe ultraviolet radiation, more than 98 percent of airborne microorganisms were killed in less than 5 minutes. When the light was on, the concentration of germs in the room did not increase much.

Passive technologies, such as ceiling lamps that emit far ultraviolet light, which researchers say could be an extremely effective way to reduce the spread of airborne diseases, such as COVID and influenza, from person to person, as well as minimize the likelihood of a new pandemic.

Reduction of Patulin in Apple Juice Products by UV Light of Different Wavelengths in the UVC Range

Submitted by farvuclamp on Wed, 05/11/2022 - 17:48

This study evaluated three UVC wavelengths (222, 254, and 282 nm) to degrade patulin introduced into apple juice or apple cider. The average UV fluences of 19.6, 84.3, 55.0, and 36.6 mJ·cm−2 achieved through exposure to UV lamps at 222-, 254-, and 282-nm wavelengths and the combination of these wavelengths, respectively, resulted in 90% reduction of patulin in apple juice.

Far-UVC light zaps airborne pathogens in realistic conditions

Submitted by farvuclamp on Wed, 05/11/2022 - 17:40

Far-UVC light zaps airborne pathogens in realistic conditions
Far ultraviolet-C light can reduce the level of airborne microbes in a room by more than 92%, according to a new study by researchers in the UK and the US. The result suggests that lamps operating at this wavelength could be used to combat common airborne viruses, including SARS-CoV-2, and thus prevent the transmission of diseases like COVID-19.

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