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A device that mimics the naturally disinfecting quality of fresh air could be used to purge hospital wards of superbugs. The Air Disinfector pumps a continual stream of reactive hydrogen radicals into the atmosphere, killing microbes within minutes. Outdoors, microbes are killed by hydroxyl radicals, highly reactive agents constantly produced through natural reactions between airborne ozone and organic scented chemicals from plants such as pine trees. The makers say they have recreated this effect using a customised device the size of a flower vase.
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