A new spray may keep surfaces clear of germs and microbes for months.
Dec. 2, 2022 – It's difficult to keep surfaces clean in public spaces, and so much of what we touch is covered in bacteria and other microbes that can make us sick. Handwashing is the best defense against the spread of illness, but what if the surfaces we are touching in public could be protected with a spray that eliminates illness-causing microorganisms?
This is exactly what a team of immunologists and engineering and material scientists at the University of Michigan have developed. A new patent is in the works, based on the technology from their research, funded in part by the National Institutes of Health, the Department of Defense, and the Office of Naval Research.
Current ways to keep surfaces germ-free aren't thorough or long-lasting, especially in places that see a lot of foot traffic, like workplaces, schools, airports, and hospitals. Copper and zinc, for example, can take a long time to kill bacteria and cannot be used for all surfaces. Disinfectant cleaners kill microbes much more quickly – in a few minutes or less – but evaporate and leave the surface vulnerable to collecting new bacteria.
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