Advanced Face Mask Filters Based on PCL Electrospun Meshes Dopped with Antimicrobial MgO and CuO Nanoparticles
The pandemic situation caused by coronavirus clearly demonstrated the need for alternatives able to protect the respiratory tract and inactivate the infectious agents. Based on this, antibacterial face-mask filters of polycaprolactone (PCL) dopped with magnesium oxide (MgO) and copper oxide (CuO) na...
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| Veröffentlicht in: | Polymers 2022-08, Vol.14 (16), p.3329 |
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| creator | Ferreira, Carolina A. M Guerreiro, Sara F. C Valente, Joana F. A Patrício, Tatiana M. F Alves, Nuno Mateus, Artur Dias, Juliana R |
| description | The pandemic situation caused by coronavirus clearly demonstrated the need for alternatives able to protect the respiratory tract and inactivate the infectious agents. Based on this, antibacterial face-mask filters of polycaprolactone (PCL) dopped with magnesium oxide (MgO) and copper oxide (CuO) nanoparticles (NPs) were produced using an electrospinning technique. A morphological analysis of electrospun meshes evaluated the success of nanoparticles’ incorporation as well as the average fibers’ diameters (481 ± 272 nm). The performance of electrospun nanofibers was also assessed in terms of tensile strength (0.88 ± 0.25 MPa), water vapor permeability (11,178.66 ± 35.78 g·m−2·day−1), stability under wet conditions and antibacterial activity according to the standard guidelines. The filters showed structural stability up to 2 h of washing and improved antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) for optimized concentrations of MgO and CuO NPs. Overall, electrospun meshes with antibacterial activity were successfully developed for advanced filtering applications. |
| doi_str_mv | 10.3390/polym14163329 |
| format | Article |
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M ; Guerreiro, Sara F. C ; Valente, Joana F. A ; Patrício, Tatiana M. F ; Alves, Nuno ; Mateus, Artur ; Dias, Juliana R</creator><creatorcontrib>Ferreira, Carolina A. M ; Guerreiro, Sara F. C ; Valente, Joana F. A ; Patrício, Tatiana M. F ; Alves, Nuno ; Mateus, Artur ; Dias, Juliana R</creatorcontrib><description>The pandemic situation caused by coronavirus clearly demonstrated the need for alternatives able to protect the respiratory tract and inactivate the infectious agents. Based on this, antibacterial face-mask filters of polycaprolactone (PCL) dopped with magnesium oxide (MgO) and copper oxide (CuO) nanoparticles (NPs) were produced using an electrospinning technique. A morphological analysis of electrospun meshes evaluated the success of nanoparticles’ incorporation as well as the average fibers’ diameters (481 ± 272 nm). The performance of electrospun nanofibers was also assessed in terms of tensile strength (0.88 ± 0.25 MPa), water vapor permeability (11,178.66 ± 35.78 g·m−2·day−1), stability under wet conditions and antibacterial activity according to the standard guidelines. The filters showed structural stability up to 2 h of washing and improved antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) for optimized concentrations of MgO and CuO NPs. Overall, electrospun meshes with antibacterial activity were successfully developed for advanced filtering applications.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym14163329</identifier><identifier>PMID: 36015586</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Air pollution ; Communicable diseases ; Copper oxide ; Copper oxides ; Coronaviruses ; COVID-19 ; Cuprite ; E coli ; Electrospinning ; Escherichia coli ; Health aspects ; Magnesium oxide ; Masks ; Nanofibers ; Nanoparticles ; Polycaprolactone ; Scanning electron microscopy ; Severe acute respiratory syndrome ; Structural stability ; Superconductors (materials) ; Tensile strength ; Volatile organic compounds ; Water vapor ; World health</subject><ispartof>Polymers, 2022-08, Vol.14 (16), p.3329</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. 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A morphological analysis of electrospun meshes evaluated the success of nanoparticles’ incorporation as well as the average fibers’ diameters (481 ± 272 nm). The performance of electrospun nanofibers was also assessed in terms of tensile strength (0.88 ± 0.25 MPa), water vapor permeability (11,178.66 ± 35.78 g·m−2·day−1), stability under wet conditions and antibacterial activity according to the standard guidelines. The filters showed structural stability up to 2 h of washing and improved antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) for optimized concentrations of MgO and CuO NPs. 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M</au><au>Guerreiro, Sara F. C</au><au>Valente, Joana F. A</au><au>Patrício, Tatiana M. F</au><au>Alves, Nuno</au><au>Mateus, Artur</au><au>Dias, Juliana R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Advanced Face Mask Filters Based on PCL Electrospun Meshes Dopped with Antimicrobial MgO and CuO Nanoparticles</atitle><jtitle>Polymers</jtitle><date>2022-08-01</date><risdate>2022</risdate><volume>14</volume><issue>16</issue><spage>3329</spage><pages>3329-</pages><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>The pandemic situation caused by coronavirus clearly demonstrated the need for alternatives able to protect the respiratory tract and inactivate the infectious agents. Based on this, antibacterial face-mask filters of polycaprolactone (PCL) dopped with magnesium oxide (MgO) and copper oxide (CuO) nanoparticles (NPs) were produced using an electrospinning technique. A morphological analysis of electrospun meshes evaluated the success of nanoparticles’ incorporation as well as the average fibers’ diameters (481 ± 272 nm). The performance of electrospun nanofibers was also assessed in terms of tensile strength (0.88 ± 0.25 MPa), water vapor permeability (11,178.66 ± 35.78 g·m−2·day−1), stability under wet conditions and antibacterial activity according to the standard guidelines. The filters showed structural stability up to 2 h of washing and improved antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) for optimized concentrations of MgO and CuO NPs. 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| subjects | Air pollution Communicable diseases Copper oxide Copper oxides Coronaviruses COVID-19 Cuprite E coli Electrospinning Escherichia coli Health aspects Magnesium oxide Masks Nanofibers Nanoparticles Polycaprolactone Scanning electron microscopy Severe acute respiratory syndrome Structural stability Superconductors (materials) Tensile strength Volatile organic compounds Water vapor World health |
| title | Advanced Face Mask Filters Based on PCL Electrospun Meshes Dopped with Antimicrobial MgO and CuO Nanoparticles |
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