Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles

Currently, to reduce the environmental problems associated with plastic waste, methods are being sought to use this waste as raw materials in different applications, such as fibers. In addition, to improve these materials and provide different properties, nanoparticles (NPs) are incorporated. In the...

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Main Authors: Katherine Vázquez, Paul Vanegas, Christian Cruzat, Néstor Novoa, Ramón Arrué, Eulalia Vanegas
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/13/21/3763
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author Katherine Vázquez
Paul Vanegas
Christian Cruzat
Néstor Novoa
Ramón Arrué
Eulalia Vanegas
author_facet Katherine Vázquez
Paul Vanegas
Christian Cruzat
Néstor Novoa
Ramón Arrué
Eulalia Vanegas
author_sort Katherine Vázquez
collection DOAJ
description Currently, to reduce the environmental problems associated with plastic waste, methods are being sought to use this waste as raw materials in different applications, such as fibers. In addition, to improve these materials and provide different properties, nanoparticles (NPs) are incorporated. In the present work, polymeric fibers made of recycled polyethylene terephthalate (r-PET) from post-consumer water bottles, functionalized with 0%, 1.5%, 3% and 6% zinc oxide nanoparticles (ZnO-NPs) in function of r-PET weight, were elaborated to evaluate their antibacterial and antifungal characteristics. The ZnO-NPs were synthesized by the solvothermal method, obtaining particles with a mean diameter of 38.15 nm, while the fibers were obtained by electrospinning with a diameter range between 200–5000 nm. The functionalized fibers were carried out against <i>Escherichia coli</i> and <i>Bacillus subtilis</i> through the agar diffusion method, obtaining the highest inhibition halo at 6% w/w ZnO-NPs, being 26.5 mm and 34.25 mm, respectively. In addition, the same method was used to evaluate the antifungal activity of <i>Penicillium s.p.</i> and <i>Fusarium graminearum</i>, observing antifungal properties due to the presence of nanoparticles in the fibers.
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spelling doaj.art-b9d1978d83e1495b99cfc75c3ae2b1432023-11-22T21:28:22ZengMDPI AGPolymers2073-43602021-10-011321376310.3390/polym13213763Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide NanoparticlesKatherine Vázquez0Paul Vanegas1Christian Cruzat2Néstor Novoa3Ramón Arrué4Eulalia Vanegas5Chemical Engineering, Faculty of Chemical Sciences, University of Cuenca, Cuenca 010203, EcuadorDepartment of Space and Population, Faculty of Chemical Sciences, University of Cuenca, Cuenca 010203, EcuadorCenter for Environmental Studies, Department of Applied Chemisty and Production Systems, Faculty of Chemical Sciences, University of Cuenca, Cuenca 010203, EcuadorLaboratorio de Química Inorgánica y Organometálica, Departamento de Química Analítica e Inorgánica, Facultad de Ciencias Químicas, Universidad de Concepción, Edmundo Larenas 129, Casilla 160-C, Concepción 4070386, ChileLaboratorio de Química Inorgánica y Organometálica, Departamento de Química Analítica e Inorgánica, Facultad de Ciencias Químicas, Universidad de Concepción, Edmundo Larenas 129, Casilla 160-C, Concepción 4070386, ChileCenter for Environmental Studies, Department of Applied Chemisty and Production Systems, Faculty of Chemical Sciences, University of Cuenca, Cuenca 010203, EcuadorCurrently, to reduce the environmental problems associated with plastic waste, methods are being sought to use this waste as raw materials in different applications, such as fibers. In addition, to improve these materials and provide different properties, nanoparticles (NPs) are incorporated. In the present work, polymeric fibers made of recycled polyethylene terephthalate (r-PET) from post-consumer water bottles, functionalized with 0%, 1.5%, 3% and 6% zinc oxide nanoparticles (ZnO-NPs) in function of r-PET weight, were elaborated to evaluate their antibacterial and antifungal characteristics. The ZnO-NPs were synthesized by the solvothermal method, obtaining particles with a mean diameter of 38.15 nm, while the fibers were obtained by electrospinning with a diameter range between 200–5000 nm. The functionalized fibers were carried out against <i>Escherichia coli</i> and <i>Bacillus subtilis</i> through the agar diffusion method, obtaining the highest inhibition halo at 6% w/w ZnO-NPs, being 26.5 mm and 34.25 mm, respectively. In addition, the same method was used to evaluate the antifungal activity of <i>Penicillium s.p.</i> and <i>Fusarium graminearum</i>, observing antifungal properties due to the presence of nanoparticles in the fibers.https://www.mdpi.com/2073-4360/13/21/3763recycled poly (ethylene terephthalate)electrospinningzinc oxide nanoparticlesantibacterial activityantifungal activity
spellingShingle Katherine Vázquez
Paul Vanegas
Christian Cruzat
Néstor Novoa
Ramón Arrué
Eulalia Vanegas
Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
Polymers
recycled poly (ethylene terephthalate)
electrospinning
zinc oxide nanoparticles
antibacterial activity
antifungal activity
title Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
title_full Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
title_fullStr Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
title_full_unstemmed Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
title_short Antibacterial and Antifungal Properties of Electrospun Recycled PET Polymeric Fibers Functionalized with Zinc Oxide Nanoparticles
title_sort antibacterial and antifungal properties of electrospun recycled pet polymeric fibers functionalized with zinc oxide nanoparticles
topic recycled poly (ethylene terephthalate)
electrospinning
zinc oxide nanoparticles
antibacterial activity
antifungal activity
url https://www.mdpi.com/2073-4360/13/21/3763
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