It is based on copper nanoparticles that block the functional proteins of SARS-CoV-2, especially the ‘spike’ protein, which allows the virus to infect cells.

A team of researchers from the Spanish National Research Council (CSIC) has developed a new nanomaterial, consisting of copper nanoparticles, which inhibits the proteins of the SARS-CoV-2 coronavirus, which causes covid-19, and blocks its propagation. The material, which has already been protected by patent, is applicable in the coating of surgical masks, in protective fabrics for hospital use, and in the coating of contact surfaces, such as handrails or knobs in public transport. Researchers are studying its industrial development to bring it to the market.

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SARS-CoV-2 virus particles, colored in blue, in an electron microscope image. / CDC