Table 3.
Nanotechnology-based coatings for inactivating SARS-CoV-2
| Developer | Nanotechnology | Main advantages |
|---|---|---|
| Turn-Key Environmental Consultants | A compact air purifier with a dense network of nanofibers | Captures 95.5% of particles – even viruses [155] |
| University of South Florida | An air purification device with nanoparticle-covered filter, producing free radicals | Oxidizes and destroys viral particles based on photoelectrochemical oxidation (PECO) [156] |
| Design.123 | A PreLynx Portal device equipped with a colorless nano-polymer-based disinfectant vapor | Inactivates whole lipophilic and hydrophilic viruses on clothing [157] |
| Nanoveu | Antiviral coating for mobile phones and tablets using copper oxide nanoparticles | Kills 99.99% of viruses within 1 minute [158] |
| Nanotouch Materials, LLC | Light-activated nano-coating based on mineral nanocrystals | Destroys organic contaminants by powerful oxidation reactions [159] |
| Nano4lifeEurope L.P | A surface sanitizer using a positively-charged layer of “swords” | Kills viruses via a physical effect [160] |
| Shepros SDN BHD | A nanosilver-based multipurpose sanitizer (NSMS) | Powerful antiviral effect, non-skin irritating, non-foaming, environmentally friendly [161] |
| FN Nano Inc. | Intelligent multifunctional photocatalytic coating based on titanium oxide nanoparticles | Decomposes and eliminates viruses, molds, and bacteria [162] |
| A.T Marmo Service SRL | Transparent disinfectant solution based on titanium dioxide and silver nanoparticles for surfaces | Self-sterilizing surface for up to 2 years [163] |
| MVX Prime Ltd. | An antimicrobial spray relying on nanotechnology | Preserves the efficiency of nano-coating for five years [164] |
| Balagna et al. | Nano-coating based on a silver nanocluster/silica composite for filters in air conditioning systems and medical respiratory devices | Virucidal effect [129] |