Self-Sterilizing Form Of Copper Deactivates SARS-CoV-2 In 30
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The Coronavirus disease 2019 (COVID-19) has created an acute worldwide demand for sustained broadband pathogen suppression in households, hospitals, and public spaces.

The researchers have created a rapid-acting, self-sterilizing copper configuration capable of killing SARS-CoV-2 and other microbes in seconds. This highly active conformation destroys pathogens faster than any conventional copper configuration. The material maintains its antimicrobial efficacy over consecutive periods of use and is shelf stable.

In this study, the researchers perform a time-dependent antimicrobial activity to determine how quickly active copper acts against microbes. All active samples showed 100% viral kill rates. A viral load of approximately 106 PFU/ml was applied to the fabric; after 30 seconds 99.9% of the virus had been killed.

The team conducted tests under simulated breathing conditions to ensure zero respiratory exposure upon using an active copper-coated insert in a face mask. They found a maximal copper “dose” of approximately 2 ng/hour for a wearer - this is significantly below OSHA’s maximum Permissible Exposure Limit (PEL) of 1mg/m3 for copper dust in the workplace.

The authors propose that a long-lasting protective mask integrated with active Copper offers individuals an immediate and reliable defense against COVID-19. Not only on masks, but this may also be applied on all high-traffic virus hosting sites to effectively curb the SARS-CoV-2 infectivity.

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