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New method can neutralize coronaviruses with mineral nanoparticles

February 1, 2025
in Health
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A brand new strategy to neutralize the coronavirus and different membrane-surrounded viruses has been found by researchers from the Swedish College of Agricultural Sciences and the College of Tartu. Sure mineral nanoparticles have been discovered to wreck the membrane of the virus, making it much less capable of enter human cells. The mode of motion that’s demonstrated has not been mentioned in earlier analysis. The know-how works at room temperature and in addition in the dead of night, providing a variety of advantages for disinfecting surfaces, air and water.

“Utilizing this new data, it must be straightforward to create surfaces with antiviral properties by merely spraying them with aqueous options of appropriate nanoparticles and letting them dry. It must also be straightforward to design cost-effective filters to purify contaminated air and water,” says Professor Vadim Kessler from SLU who has led the work.

The current COVID-19 pandemic has led to an intense seek for new forms of remedies and disinfection strategies that can be utilized in outbreaks of viral ailments of this sort. One space that has acquired a lot consideration is nanotechnology, as tiny particles of sure metals and metallic oxides have been proven to have anti-viral properties.

Now, researchers from SLU and the College of Tartu in Estonia have studied the end result when sure forms of mineral nanoparticles come into contact with a coronavirus, and so they found a mode of motion that has not been proposed earlier than.

We now perceive what properties such particles must must be efficient towards the coronavirus, and this can be a crucial step ahead.”


Professor Vadim Kessler from SLU

Coronaviruses belong to a kind of virus that has an outer envelope, a lipid membrane. It turned out that nanoparticles of sand minerals corresponding to titanium oxide bind very strongly to phospholipids on this membrane. This damages the membrane and results in the discharge of viral genetic materials, thereby making the virus much less capable of infect cells.

A significant benefit is that this occurs at room temperature and that it doesn’t require any sort of activation. Beforehand, it was believed that mineral nanoparticles might solely destroy viruses by producing so-called reactive oxygen species, which might require illumination with UV gentle.

The examine thus means that surfaces coated with titanium nanoparticles can destroy enveloped viruses corresponding to coronaviruses and influenza viruses without having to be activated by UV gentle, and thus can work in darkish areas. Different small metallic oxides that bind strongly to phospholipids, corresponding to iron and aluminum oxides, might work in the identical manner. One other potential software could possibly be to purify contaminated water in emergencies by including a nanopreparation and permitting the ensuing gel to settle.

“The particles we produce usually are not harmful to the human physique,” provides Angela Ivask, who’s Professor of Genetics on the College of Tartu. “We’ve got examined them on a number of cell strains to guarantee this.”

Supply:

Swedish College of Agricultural Sciences (SLU)

Journal reference:

Greijer, B., et al. (2025). Molecular mechanisms behind the anti corona virus exercise of small metallic oxide nanoparticles. Nanoscale. doi.org/10.1039/D4NR03730H.



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Tags: coronavirusesMethodmineralnanoparticlesneutralize
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