Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs

Zinc oxide nanoparticles (ZnO NPs) were synthesized utilizing prepared walnut leaf extract by various amounts of its leaves (5–25 g) via a heater and stirrer adjusted at 60°C and reaction time ranging from 30 to 90 min. Fourier transform infrared spectroscopy and gas chromatography indicated the six...

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Autores principales:	Saemi Rouhina, Taghavi Elham, Jafarizadeh-Malmiri Hoda, Anarjan Navideh
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	antioxidant activity antimicrobial activity green synthesis packaging zinc oxide nanoparticles Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/16592ba3b2974ed9bb38e66e1d6abb9e
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spelling	oai:doaj.org-article:16592ba3b2974ed9bb38e66e1d6abb9e2021-12-05T14:10:49ZFabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs2191-955010.1515/gps-2021-0011https://doaj.org/article/16592ba3b2974ed9bb38e66e1d6abb9e2021-02-01T00:00:00Zhttps://doi.org/10.1515/gps-2021-0011https://doaj.org/toc/2191-9550Zinc oxide nanoparticles (ZnO NPs) were synthesized utilizing prepared walnut leaf extract by various amounts of its leaves (5–25 g) via a heater and stirrer adjusted at 60°C and reaction time ranging from 30 to 90 min. Fourier transform infrared spectroscopy and gas chromatography indicated the six main functional groups and 29 bioactive compounds in the provided walnut leaf extract. Antioxidant and antibacterial inhibitory activities of the fabricated ZnO NPs, in powder form, were modeled as a function of two synthesized parameters using response surface methodology, and the fabrication process was optimized. The results indicated that the ZnO NPs synthesized using walnut leaf extract, with 15.51 g of its dried powder and reaction time of 60 min, had maximum antioxidant activity and antibacterial effects against Escherichia coli. X-ray diffraction analysis and scanning electron microscopy image indicated that the synthesized ZnO NPs using optimal processing conditions had crystals in triangular nanoprisms to nearly spherical shape with the particle size ranging from 15 to 40 nm. Finally, prepared biodegradable film composed of thermoplastic starch (5% w/w), polyethylene (93% w/w), and ZnO NPs (2% w/w) indicated high bactericidal inhibitory activity against both Gram-positive (Staphylococcus aureus) and Gram-negative (E. coli) bacterial strains.Saemi RouhinaTaghavi ElhamJafarizadeh-Malmiri HodaAnarjan NavidehDe Gruyterarticleantioxidant activityantimicrobial activitygreen synthesispackagingzinc oxide nanoparticlesChemistryQD1-999ENGreen Processing and Synthesis, Vol 10, Iss 1, Pp 112-124 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antioxidant activity antimicrobial activity green synthesis packaging zinc oxide nanoparticles Chemistry QD1-999
spellingShingle	antioxidant activity antimicrobial activity green synthesis packaging zinc oxide nanoparticles Chemistry QD1-999 Saemi Rouhina Taghavi Elham Jafarizadeh-Malmiri Hoda Anarjan Navideh Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
description	Zinc oxide nanoparticles (ZnO NPs) were synthesized utilizing prepared walnut leaf extract by various amounts of its leaves (5–25 g) via a heater and stirrer adjusted at 60°C and reaction time ranging from 30 to 90 min. Fourier transform infrared spectroscopy and gas chromatography indicated the six main functional groups and 29 bioactive compounds in the provided walnut leaf extract. Antioxidant and antibacterial inhibitory activities of the fabricated ZnO NPs, in powder form, were modeled as a function of two synthesized parameters using response surface methodology, and the fabrication process was optimized. The results indicated that the ZnO NPs synthesized using walnut leaf extract, with 15.51 g of its dried powder and reaction time of 60 min, had maximum antioxidant activity and antibacterial effects against Escherichia coli. X-ray diffraction analysis and scanning electron microscopy image indicated that the synthesized ZnO NPs using optimal processing conditions had crystals in triangular nanoprisms to nearly spherical shape with the particle size ranging from 15 to 40 nm. Finally, prepared biodegradable film composed of thermoplastic starch (5% w/w), polyethylene (93% w/w), and ZnO NPs (2% w/w) indicated high bactericidal inhibitory activity against both Gram-positive (Staphylococcus aureus) and Gram-negative (E. coli) bacterial strains.
format	article
author	Saemi Rouhina Taghavi Elham Jafarizadeh-Malmiri Hoda Anarjan Navideh
author_facet	Saemi Rouhina Taghavi Elham Jafarizadeh-Malmiri Hoda Anarjan Navideh
author_sort	Saemi Rouhina
title	Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
title_short	Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
title_full	Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
title_fullStr	Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
title_full_unstemmed	Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs
title_sort	fabrication of green zno nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–zno nps
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/16592ba3b2974ed9bb38e66e1d6abb9e
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Fabrication of green ZnO nanoparticles using walnut leaf extract to develop an antibacterial film based on polyethylene–starch–ZnO NPs

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