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. 2023 Jun 16;13(1):9772.
doi: 10.1038/s41598-023-36910-x.

Biogenic production of silver, zinc oxide, and cuprous oxide nanoparticles, and their impregnation into textiles with antiviral activity against SARS-CoV-2

David Asmat-Campos  1   2 , Jesús Rojas-Jaimes  3 , Gabriela Montes de Oca-Vásquez  4 , R Nazario-Naveda  5 , D Delfín-Narciso  5 , L Juárez-Cortijo  5 , Damaris Esquen Bayona  6   7 , Benoit Diringer  6   8 , Reinaldo Pereira  4 , Diego Batista Menezes  4
Affiliations

Biogenic production of silver, zinc oxide, and cuprous oxide nanoparticles, and their impregnation into textiles with antiviral activity against SARS-CoV-2

David Asmat-Campos et al. Sci Rep. .

Abstract

Nanotechnology is being used to fight off infections caused by viruses, and one of the most outstanding nanotechnological uses is the design of protective barriers made of textiles functionalized with antimicrobial agents, with the challenge of combating the SARS-CoV-2 virus, the causal agent of COVID-19. This research is framed within two fundamental aspects: the first one is linked to the proposal of new methods of biogenic synthesis of silver, cuprous oxide, and zinc oxide nanoparticles using organic extracts as reducing agents. The second one is the application of nanomaterials in the impregnation (functionalization) of textiles based on methods called "in situ" (within the synthesis), and "post-synthesis" (after the synthesis), with subsequent evaluation of their effectiveness in reducing the viral load of SARS-CoV-2. The results show that stable, monodisperse nanoparticles with defined geometry can be obtained. Likewise, the "in situ" impregnation method emerges as the best way to adhere nanoparticles. The results of viral load reduction show that 'in situ' textiles with Cu2O NP achieved a 99.79% load reduction of the SARS-CoV-2 virus.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Method of impregnation of nanomaterial in textile: (A) "In Situ" and (B) "Post-synthesis".
Figure 2
Figure 2
Characterization of Ag NP. (a) X-ray diffraction, (b) EDS elemental analysis, (c) TEM, (d) UV–vis spectrophotometry, (e) FTIR.
Figure 3
Figure 3
Characterization of Cu2O NP. (a) X-ray diffraction, (b) EDS elemental analysis, (c) TEM, (d) UV–vis spectrophotometry, (e) FTIR.
Figure 4
Figure 4
Characterization of ZnO NP. (a) X-ray diffraction, (b) EDS elemental analysis, (c) UV–vis spectrophotometry, (d) TEM.
Figure 5
Figure 5
Scanning electron micrograph of the textile fiber functionalized with NP. (a) Control, (b) In Situ Ag NP, (c) Post synthesis Ag NP, (d) In Situ Cu2O NP, (e) Post-synthesis Cu2O, (f) Post-synthesis ZnO NP, (g) Post synthesis Ag/Cu2O.
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References

    1. World Health Organization. Weekly epidemiological update on COVID-19 - 28 December 2021. Weekly epidemiological update on COVID-19—28 December 2021 1–3 https://www.who.int/publications/m/item/weekly-epidemiological-update-on... (2021).
    1. West R, Michie S, Rubin GJ, Amlôt R. Applying principles of behaviour change to reduce SARS-CoV-2 transmission. Nat. Hum. Behav. 2020;4:451–459. doi: 10.1038/s41562-020-0887-9. - DOI - PubMed
    1. Xiao J, et al. Nonpharmaceutical measures for pandemic influenza in nonhealthcare settings—Personal protective and environmental measures. Emerg. Infect. Dis. 2020;26:967. doi: 10.3201/eid2605.190994. - DOI - PMC - PubMed
    1. Chu DK, et al. Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis. Lancet. 2020;395:1973–1987. doi: 10.1016/S0140-6736(20)31142-9. - DOI - PMC - PubMed
    1. Velavan TP, Meyer CG. The COVID-19 epidemic. Trop. Med. Int. Health. 2020;25:278–280. doi: 10.1111/tmi.13383. - DOI - PMC - PubMed

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