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. 2021 Feb 9;5(1):011503. doi: 10.1063/5.0029486

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© 2021 Author(s).

2473-2877/2021/5(1)/011503/14

All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FIG. 4. — Antiviral surfaces. (a) Schematic representation of surface functionalization with cationic polymers. (b) Chemical structures of hydrophobic PEI derivatives. (c) The virucidal activity against influenza virus (WSN strain) of glass slides painted with 2a, 4, and 5 after different times of exposure at room temperature. (a)–(c) Reproduced with permission from Haldar et al., Proc. Natl. Acad. Sci. 103, 17667 (2006). Copyright (2006) National Academy of Sciences. (d) Schematic representation of surface functionalization with metal-based nanomaterials. (e) Contact transparency pictures of PHBV3, PHBV3/PHBV18, and PHBV3/PHBV18/AgNP. (f) Antiviral effect of silver nanoparticles at different concentrations (0, 2.1, 10.5 and 21 mg/L) on murine norovirus (MNV) over the storage time. (d)–(f) Reproduced with permission from Castro-Mayorga et al., LWT-Food Sci. Technol. 79, 503 (2017). Copyright (2017) Elsevier.