The scientists at University of Michigan find that cold plasma can kill 99.9% of airborne viruses
Scientists from University of Michigan in the United States have found that dangerous airborne viruses can be rendered harmless on-the-fly when exposed to ‘cold plasma’ – a stream of energetic, charged fragments of air molecules. The researchers have measured the virus-killing speed and effectiveness of non thermal plasmas – the ionised, or charged, particles that form around electrical discharges such as sparks. A non thermal plasma reactor was able to inactivate or remove from the air stream 99.9% of a test virus. The researchers hope to one day harness this capability to replace the surgical mask.
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