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> Silver nanoparticles–polyethyleneimine-based coatings with antiviral activity against SARS-CoV-2: a new method to functionalize filtration media
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Silver nanoparticles–polyethyleneimine-based coatings with antiviral activity against SARS-CoV-2: a new method to functionalize filtration media
Baselga, M.
;
Uranga-Murillo, I.
;
de Miguel, D.
;
Arias, M.
;
Sebastián, V.
(Universidad de Zaragoza)
;
Pardo, J.
(Universidad de Zaragoza)
;
Arruebo, M.
(Universidad de Zaragoza)
Resumen:
The use of face masks and air purification systems has been key to curbing the transmission of SARS-CoV-2 aerosols in the context of the current COVID-19 pandemic. However, some masks or air conditioning filtration systems are designed to remove large airborne particles or bacteria from the air, being limited their effectiveness against SARS-CoV-2. Continuous research has been aimed at improving the performance of filter materials through nanotechnology. This article presents a new low-cost method based on electrostatic forces and coordination complex formation to generate antiviral coatings on filter materials using silver nanoparticles and polyethyleneimine. Initially, the AgNPs synthesis procedure was optimized until reaching a particle size of 6.2 ± 2.6 nm, promoting a fast ionic silver release due to its reduced size, obtaining a stable colloid over time and having reduced size polydispersity. The stability of the binding of the AgNPs to the fibers was corroborated using polypropylene, polyester-viscose, and polypropylene-glass spunbond mats as substrates, obtaining very low amounts of detached AgNPs in all cases. Under simulated operational conditions, a material loss less than 1% of nanostructured silver was measured. SEM micrographs demonstrated high silver distribution homogeneity on the polymer fibers. The antiviral coatings were tested against SARS-CoV-2, obtaining inactivation yields greater than 99.9%. We believe our results will be beneficial in the fight against the current COVID-19 pandemic and in controlling other infectious airborne pathogens. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
Idioma:
Inglés
DOI:
10.3390/ma15144742
Año:
2022
Publicado en:
Materials
15, 14 (2022), 4742 [16 pp]
ISSN:
1996-1944
Factor impacto JCR:
3.4 (2022)
Categ. JCR:
METALLURGY & METALLURGICAL ENGINEERING
rank: 20 / 79 = 0.253
(2022)
- Q2
- T1
Categ. JCR:
PHYSICS, APPLIED
rank: 57 / 160 = 0.356
(2022)
- Q2
- T2
Categ. JCR:
PHYSICS, CONDENSED MATTER
rank: 29 / 67 = 0.433
(2022)
- Q2
- T2
Categ. JCR:
MATERIALS SCIENCE, MULTIDISCIPLINARY
rank: 174 / 343 = 0.507
(2022)
- Q3
- T2
Categ. JCR:
CHEMISTRY, PHYSICAL
rank: 84 / 161 = 0.522
(2022)
- Q3
- T2
Factor impacto CITESCORE:
5.2 -
Materials Science
(Q2)
Factor impacto SCIMAGO:
0.563 -
Materials Science (miscellaneous)
(Q2) -
Condensed Matter Physics
(Q2)
Financiación:
info:eu-repo/grantAgreement/ES/AEI/PID2020-113963RB-I00
Financiación:
info:eu-repo/grantAgreement/ES/DGA-FEDER/B29-17R
Tipo y forma:
Artículo (Versión definitiva)
Área (Departamento):
Área Ingeniería Química
(
Dpto. Ing.Quím.Tecnol.Med.Amb.
)
Área (Departamento):
Área Inmunología
(
Dpto. Microb.Ped.Radio.Sal.Pú.
)
Debe reconocer adecuadamente la autoría, proporcionar un enlace a la licencia e indicar si se han realizado cambios. Puede hacerlo de cualquier manera razonable, pero no de una manera que sugiera que tiene el apoyo del licenciador o lo recibe por el uso que hace.
Exportado de SIDERAL (2024-03-18-14:57:32)
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Registro creado el 2022-10-06, última modificación el 2024-03-19
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