Electrospun Nanosystems Based on PHBV and ZnO for Ecological Food Packaging
The electrospun nanosystems containing poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and 1 wt% Fe doped ZnO nanoparticles (NPs) (with the content of dopant in the range of 0–1 wt% Fe) deposited onto polylactic acid (PLA) film were prepared for food packaging application. They were investigated...
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| Veröffentlicht in: | Polymers 2021-06, Vol.13 (13), p.2123 |
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| creator | Râpă, Maria Stefan, Maria Popa, Paula Adriana Toloman, Dana Leostean, Cristian Borodi, Gheorghe Vodnar, Dan Cristian Wrona, Magdalena Salafranca, Jesús Nerín, Cristina Barta, Daniel Gabriel Suciu, Maria Predescu, Cristian Matei, Ecaterina |
| description | The electrospun nanosystems containing poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and 1 wt% Fe doped ZnO nanoparticles (NPs) (with the content of dopant in the range of 0–1 wt% Fe) deposited onto polylactic acid (PLA) film were prepared for food packaging application. They were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), antimicrobial analysis, and X-ray photoelectron spectrometry (XPS) techniques. Migration studies conducted in acetic acid 3% (wt/wt) and ethanol 10% (v/v) food simulants as well as by the use of treated ashes with 3% HNO3 solution reveal that the migration of Zn and Fe falls into the specific limits imposed by the legislation in force. Results indicated that the PLA/PHBV/ZnO:Fex electrospun nanosystems exhibit excellent antibacterial activity against the Pseudomonas aeruginosa (ATCC-27853) due to the generation of a larger amount of perhydroxyl (˙OOH) radicals as assessed using electron paramagnetic resonance (EPR) spectroscopy coupled with a spin trapping method. |
| doi_str_mv | 10.3390/polym13132123 |
| format | Article |
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They were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), antimicrobial analysis, and X-ray photoelectron spectrometry (XPS) techniques. Migration studies conducted in acetic acid 3% (wt/wt) and ethanol 10% (v/v) food simulants as well as by the use of treated ashes with 3% HNO3 solution reveal that the migration of Zn and Fe falls into the specific limits imposed by the legislation in force. Results indicated that the PLA/PHBV/ZnO:Fex electrospun nanosystems exhibit excellent antibacterial activity against the Pseudomonas aeruginosa (ATCC-27853) due to the generation of a larger amount of perhydroxyl (˙OOH) radicals as assessed using electron paramagnetic resonance (EPR) spectroscopy coupled with a spin trapping method.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym13132123</identifier><identifier>PMID: 34203404</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Acetic acid ; Antimicrobial agents ; Ashes ; Cellulose ; Electron paramagnetic resonance ; Electrospinning ; Ethanol ; Food ; Food packaging ; Fourier transforms ; Infrared analysis ; Infrared spectroscopy ; Iron ; Legislation ; Mechanical properties ; Medical equipment ; Methods ; Morphology ; Nanoparticles ; Photoelectrons ; Plastics ; Polyethylene terephthalate ; Polylactic acid ; Polymers ; Pseudomonas aeruginosa ; Salmonella ; Viscosity ; X ray photoelectron spectroscopy ; Zinc oxide ; Zinc oxides</subject><ispartof>Polymers, 2021-06, Vol.13 (13), p.2123</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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They were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), antimicrobial analysis, and X-ray photoelectron spectrometry (XPS) techniques. Migration studies conducted in acetic acid 3% (wt/wt) and ethanol 10% (v/v) food simulants as well as by the use of treated ashes with 3% HNO3 solution reveal that the migration of Zn and Fe falls into the specific limits imposed by the legislation in force. 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They were investigated by scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), antimicrobial analysis, and X-ray photoelectron spectrometry (XPS) techniques. Migration studies conducted in acetic acid 3% (wt/wt) and ethanol 10% (v/v) food simulants as well as by the use of treated ashes with 3% HNO3 solution reveal that the migration of Zn and Fe falls into the specific limits imposed by the legislation in force. Results indicated that the PLA/PHBV/ZnO:Fex electrospun nanosystems exhibit excellent antibacterial activity against the Pseudomonas aeruginosa (ATCC-27853) due to the generation of a larger amount of perhydroxyl (˙OOH) radicals as assessed using electron paramagnetic resonance (EPR) spectroscopy coupled with a spin trapping method.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>34203404</pmid><doi>10.3390/polym13132123</doi><orcidid>https://orcid.org/0000-0003-2685-5739</orcidid><orcidid>https://orcid.org/0000-0001-5501-2744</orcidid><orcidid>https://orcid.org/0000-0001-5449-9108</orcidid><orcidid>https://orcid.org/0000-0003-2052-3012</orcidid><orcidid>https://orcid.org/0000-0001-7359-5736</orcidid><orcidid>https://orcid.org/0000-0001-6958-0099</orcidid><orcidid>https://orcid.org/0000-0001-5407-8071</orcidid><orcidid>https://orcid.org/0000-0002-6607-1309</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Acetic acid Antimicrobial agents Ashes Cellulose Electron paramagnetic resonance Electrospinning Ethanol Food Food packaging Fourier transforms Infrared analysis Infrared spectroscopy Iron Legislation Mechanical properties Medical equipment Methods Morphology Nanoparticles Photoelectrons Plastics Polyethylene terephthalate Polylactic acid Polymers Pseudomonas aeruginosa Salmonella Viscosity X ray photoelectron spectroscopy Zinc oxide Zinc oxides |
| title | Electrospun Nanosystems Based on PHBV and ZnO for Ecological Food Packaging |
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