Obtaining nanoparticles of chilean natural zeolite and its ion exchange with copper salt (Cu2+) for antibacterial applications

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datacite.alternateIdentifier.citationMaterials, 12 (13), 2019
datacite.alternateIdentifier.doi10.3390/ma12132202
datacite.alternateIdentifier.issn1996-1944
datacite.creatorVergara-Figueroa, Judith
datacite.creatorAlejandro-Martín, Serguei
datacite.creatorPesenti, Héctor
datacite.creatorCerda, Fabiola
datacite.creatorFernández-Pérez, Arturo
datacite.creatorGacitúa, William
datacite.date2019
datacite.rightsAcceso abierto
datacite.subjectAntibacterial Properties
datacite.subjectChilean Natural Nanozeolite
datacite.subjectCopper Salts
datacite.subjectIon Exchange
datacite.subjectBond Strength (chemical)
datacite.subjectCopper
datacite.subjectDrug Delivery
datacite.subjectEscherichia Coli
datacite.subjectMetal Ions
datacite.subjectNanoparticles
datacite.subjectParticle Size Analysis
datacite.subjectSalts
datacite.subjectSize Determination
datacite.subjectZeolites
datacite.subjectAnti-bacterial Behaviors
datacite.subjectAnti-microbial Activity
datacite.subjectAntibacterial Properties
datacite.subjectCopper Salt
datacite.subjectMinimum Bactericidal Concentrations
datacite.subjectMinimum Inhibitory Concentration
datacite.subjectMorphological Characterization
datacite.subjectNanozeolites
datacite.subjectIon Exchange
datacite.titleObtaining nanoparticles of chilean natural zeolite and its ion exchange with copper salt (Cu2+) for antibacterial applications
dc.contributor.authorPESENTI PEREZ, HECTOR GONZALO
dc.description.abstractThis article describes the production of nanoparticles of Chilean natural zeolite, using three size reduction methods: Ball mill, microgrinding, and microfluidization. Morphological characterization of samples indicated an average diameter of 37.2 ± 15.8 nm of the zeolite particles. The size reduction and chemical treatments did not affect the morphology or integrity of the zeolite. An increase of the zeolite samples' Si/Al ratio was observed after the acid treatment and was confirmed by SEM-EDX analysis. Moreover, the effectiveness of the copper salt ion exchange (Cu2+) to the zeolite nanoparticles was analyzed by SEM-EDX. XRD analysis indicated that clinoptilolite and mordenite are the main phases of Chilean natural zeolite, and the crystalline structure was not affected by the modification processes. The FTIR characterization showed the presence of chemical bonds of copper with the zeolite nanoparticle framework. The ion-exchanged zeolite nanoparticles were evaluated for antibacterial behavior by the disc diffusion method. Additionally, the minimum inhibitory concentration and minimum bactericidal concentration were obtained. Microbiological assays with copper-exchanged nanozeolites showed an antimicrobial activity with a bactericidal effect against Escherichia coli and Staphylococcus aureus, which are the primary pathogens of food and are also resistant to multiple drugs. In this study, a new application for natural nanozeolites is demonstrated, as the incorporated copper ions (Cu2+) in nanozeolites registered a productive antibacterial activity. © 2019 Elsevier B.V., All rights reserved.
dc.description.ia_keywordzeolite, copper, nanoparticles, natural, chilean, antibacterial, nanozeolites
dc.formatPDF
dc.identifier.urihttps://repositoriodigital.uct.cl/handle/10925/3264
dc.language.isoen
dc.publisherMultidisciplinary Digital Publishing Institute (MDPI)
dc.relationinstname: ANID
dc.relationreponame: Repositorio Digital RI2.0
dc.rights.driverinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.sourceMaterials
dc.subject.ia_oecd1nCiencias Naturales
dc.subject.ia_oecd2nCiencias Físicas
dc.subject.ia_oecd3nQuímica
dc.type.driverinfo:eu-repo/semantics/article
dc.type.driverhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.type.openaireinfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
oaire.citationEdition2019
oaire.citationIssue13
oaire.citationTitleMaterials
oaire.citationVolume12
oaire.fundingReferenceUBB (apoyo logístico)
oaire.fundingReferenceANID FONDECYT 11140781 (Iniciación)
oaire.fundingReferenceANID FONDEQUIP 160152
oaire.licenseConditionObra bajo licencia Creative Commons Atribución 4.0 Internacional
oaire.licenseCondition.urihttps://creativecommons.org/licenses/by/4.0/
oaire.resourceTypeArtículo
oaire.resourceType.enArticle
relation.isAuthorOfPublication06eb1649-f51e-4f5e-ade8-49a1aca6c98e
relation.isAuthorOfPublication.latestForDiscovery06eb1649-f51e-4f5e-ade8-49a1aca6c98e
uct.catalogadorjvu
uct.comunidadIngenieríaen_US
uct.departamentoDepartamento Procesos Industriales
uct.facultadFacultad de Ingeniería
uct.indizacionScience Citation Index Expanded - SCIE
uct.indizacionScopus
uct.indizacionEi Compendex
uct.indizacionInspec
uct.indizacionPubMed Central (PMC)
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