On laboratory cells, the use of two simple polymers, already widely tested, has been shown to offer protection from infection for up to 48 hours
at Federico Mereta
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On laboratory cells, the use of two simple polymers, already widely tested, has been shown to offer protection from infection for up to 48 hours
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Properly worn masks, spacing, hand hygiene. These are the three measures that can limit the spread of the Sars-Cov-2 virus. But in the future, perhaps, always in a preventive key and therefore without the ambition to “zero” the risks, for those who are indoors and want to limit the risk of contagion, at least through the nose, a simple puff could help, very similar to the one used for example to release antiallergic drugs in case of rhinitis.
Inside it could find space two simple polymers, already widely tested and also used in the preparation of food as well as drugs. On laboratory cells – we are still at this point – their use has in fact been shown to offer protection from infection for up to 48 hours.
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To launch the hypothesis, which if demonstrated could also soon lead to the creation of simple aids to be applied as a spray in the nostrils, is a research from the University of Birmingham Healthcare Technologies coordinated by Richard Moakes, in a work not yet published but already available on the platform BioXRiv.
The two elements with a prophylactic action against infection, which obviously is not transmitted only through the nasal mucosa but also by other routes, such as the ocular conjunctiva, are called carragenina e gellano. The first is also used in food preparation, with the role of thickener, and would aim to act as a potential brake for the virus.
The second has the ability to “stick” just like a gel to the nasal mucosa. And since it is administered through fine droplets, they stick tenaciously to the mucous membrane of the nose, without moving, thus allowing the other component of the spray to be kept in place.
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