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Oxidative stress responses of Daphnia magna exposed to effluents spiked with emerging contaminants under ozonation and advanced oxidation processes

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datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
datacite.subject.sdg14:Proteger a Vida Marinha
dc.contributor.authorOropesa, Ana Lourdes
dc.contributor.authorNovais, Sara C.
dc.contributor.authorLemos, Marco F. L.
dc.contributor.authorEspejo, Azahara
dc.contributor.authorGravato, Carlos
dc.contributor.authorBeltrán, Fernando
dc.date.accessioned2026-01-20T15:58:19Z
dc.date.available2026-01-20T15:58:19Z
dc.date.issued2017
dc.description.abstractIntegration of conventional wastewater treatments with advanced oxidation processes (AOPs) has become of great interest to remove pharmaceuticals and their metabolites from wastewater. However, application of these technologies generates reactive oxygen species (ROS) that may reach superficial waters through effluents from sewage treatment plants. The main objective of the present study was to elucidate if ROS present in real effluents after biological and then chemical (single ozonation, solar photolytic ozonation, solar photocatalytic ozonation (TiO2, Fe3O4) and solar photocatalytic oxidation (TiO2)) treatments induce oxidative stress in Daphnia magna. For this, the activity of two antioxidant enzymes (superoxide dismutase and catalase) and the level of lipid peroxidation were determined in Daphnia. The results of oxidative stress biomarkers studied suggest that D. magna is able to cope with the superoxide ion radical (O2·-) present in the treated effluent due to single ozonation by mainly inducing the antioxidant activity superoxide dismutase, thus preventing lipid peroxidation. Lethal effects (measured in terms of immobility) were not observed in these organisms after exposure to any solution. Therefore, in order to probe the ecological efficiency of urban wastewater treatments, studies on lethal and sublethal effects in D. magna would be advisable.eng
dc.description.sponsorshipAuthors wish to thank the Spanish CICYT, the European Feder (Project CTQ2012/35789/C02/01), the Consejería de Empleo, Empresa e Innovación Gobierno de Extremadura, and the Feder founds for the economic support. Azahara Espejo also thank the Consejería de Empleo, Empresa e Innovación Gobierno de Extremadura and the Feder founds for an FPI grant. Sara C. Novais would also like to acknowledge the financial support given by Fundação para a Ciência e Tecnologia (FCT) through a post-doctoral research grant (SFRH/BPD/ 94500/2013).
dc.identifier.citationOropesa AL, Novais SC, Lemos MF, Espejo A, Gravato C, Beltrán F. Oxidative stress responses of Daphnia magna exposed to effluents spiked with emerging contaminants under ozonation and advanced oxidation processes. Environ Sci Pollut Res Int. 2017 Jan;24(2):1735-1747. doi: 10.1007/s11356-016-7881-9
dc.identifier.doi10.1007/s11356-016-7881-9
dc.identifier.issn0944-1344
dc.identifier.issn1614-7499
dc.identifier.urihttp://hdl.handle.net/10400.8/15421
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Science and Business Media LLC
dc.relationENVIRONOME - INTEGRATING OMICS IN ECOTOXICOLOGY: TOOLS FOR ENVIRONMENTAL RISK ASSESSMENT
dc.relationSFRH/BPD/ 94500/2013
dc.relation.hasversionhttps://pubmed.ncbi.nlm.nih.gov/27796982/
dc.relation.ispartofEnvironmental Science and Pollution Research
dc.rights.uriN/A
dc.subjectAdvanced oxidation processes
dc.subjectDaphnia magna
dc.subjectEnzymatic antioxidant defenses
dc.subjectLipid peroxidation
dc.subjectPharmaceuticals
dc.titleOxidative stress responses of Daphnia magna exposed to effluents spiked with emerging contaminants under ozonation and advanced oxidation processeseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleENVIRONOME - INTEGRATING OMICS IN ECOTOXICOLOGY: TOOLS FOR ENVIRONMENTAL RISK ASSESSMENT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBPD%2F94500%2F2013/PT
oaire.citation.endPage1747
oaire.citation.issue2
oaire.citation.startPage1735
oaire.citation.titleEnvironmental Science and Pollution Research
oaire.citation.volume24
oaire.fundingStreamFARH
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameNovais
person.familyNameLemos
person.givenNameSara
person.givenNameMarco
person.identifier996337
person.identifier.ciencia-id2216-A2E0-A118
person.identifier.ciencia-id971F-ACCA-C0D1
person.identifier.orcid0000-0003-1306-3396
person.identifier.orcid0000-0001-9887-1864
person.identifier.ridA-9032-2012
person.identifier.ridF-7951-2011
person.identifier.scopus-author-id23025463300
person.identifier.scopus-author-id7006042884
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublicationde69a91d-24ba-4155-ad23-76367cca2232
relation.isAuthorOfPublicationf21e5540-df76-43e9-ad64-93edd70da1f1
relation.isAuthorOfPublication.latestForDiscoveryde69a91d-24ba-4155-ad23-76367cca2232
relation.isProjectOfPublication4f84bfd4-842e-4f1e-8fe6-55bc16089f83
relation.isProjectOfPublication.latestForDiscovery4f84bfd4-842e-4f1e-8fe6-55bc16089f83

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