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Antimicrobial ceramic filters for water bio-decontamination

2021-03Journal article Open access
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dc.contributor.authorRegina Ferreira, Olga
dc.contributor.authorRijo, Patrícia
dc.contributor.authorGomes, João
dc.contributor.authorSantos, Ricardo
dc.contributor.authorMonteiro, Silvia
dc.contributor.authorGuedes, Rita
dc.contributor.authorSerralheiro, Maria Luisa
dc.contributor.authorGomes, Marisa
dc.contributor.authorGomes, Luciana
dc.contributor.authorMergulhão, Filipe
dc.contributor.authorSilva, Elisabete R.
dc.date.accessioned2021-04-22T15:47:13Z
dc.date.available2021-04-22T15:47:13Z
dc.date.issued2021-03
dc.description.abstractBio-contamination of water through biofouling, which involves the natural colonization of submerged surfaces by waterborne organisms, is a global socio-economic concern, allied to premature materials bio-corrosion and high human health risks. Most effective strategies release toxic and persistent disinfectant compounds into the aquatic medium, causing environmental problems and leading to more stringent legislation regarding their use. To minimize these side effects, a newly non-biocide-release coating strategy suitable for several polymeric matrices, namely polydimethylsiloxane and polyurethane (PU)-based coatings, was used to generate antimicrobial ceramic filters for water bio-decontamination. The best results, in terms of antimicrobial activity and biocide release, showed an expressed delay and a decrease of up to 66% in the population of methicillin-resistant Staphylococcus aureus bacteria on ceramic filters coated with polyurethane (PU)-based coatings containing grafted Econea biocide, and no evidence of biocide release after being submerged for 45 days in water. Biocidal PU-based surfaces were also less prone to Enterococcus faecalis biofilm formation under flow conditions with an average reduction of 60% after 48 h compared to a pristine PU-based surface. Biocidal coated filters show to be a potential eco-friendly alternative for minimizing the environmental risks associated with biofouling formation in water-based industrial systems.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFERREIRA, Olga; [et al] – Antimicrobial ceramic filters for water bio-decontamination. Coatings. eISSN 2079-6412. Vol. 11, N.º 3 (2021), pp. 1-17pt_PT
dc.identifier.doi10.3390/coatings11030323pt_PT
dc.identifier.eissn2079-6412
dc.identifier.urihttp://hdl.handle.net/10400.21/13225
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationUIDB/04046/2020 - FCTpt_PT
dc.relationUIDP/04046/2020 - FCTpt_PT
dc.relationUIDB/00511/2020 - Laboratory for Process Engineering, Environment, Biotechnology, and Energy-LEPABE - FCT/MCTES (PIDDAC)pt_PT
dc.relationCEECIND/01700/2017 - FCTpt_PT
dc.relationCEECIND/03530/2018 - FCTpt_PT
dc.relationPhotocatalytic biocidal-foam flters for fluids pollutants: a non -toxic self cleaning strategy
dc.subjectMicro-foulerspt_PT
dc.subjectBallast waterspt_PT
dc.subjectCordierite monolithspt_PT
dc.subjectNon-biocide release coatingpt_PT
dc.subjectDynamic biofilm assayspt_PT
dc.subjectAntimicrobial filtrationpt_PT
dc.titleAntimicrobial ceramic filters for water bio-decontaminationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePhotocatalytic biocidal-foam flters for fluids pollutants: a non -toxic self cleaning strategy
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/PD%2FBD%2F128370%2F2017/PT
oaire.citation.endPage17pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleCoatingspt_PT
oaire.citation.volume11pt_PT
oaire.fundingStreamOE
person.familyNameRegina Ferreira
person.familyNameRijo
person.familyNameGomes
person.familyNameNunes Monteiro
person.familyNameSerralheiro
person.familyNameGomes
person.familyNameGomes
person.familyNameMergulhão
person.familyNameGeraldes
person.givenNameOlga
person.givenNamePatrícia Dias de
person.givenNameJoão
person.givenNameSilvia Patricia
person.givenNameMaria Luisa
person.givenNameMarisa
person.givenNameLuciana
person.givenNameFilipe
person.givenNameElisabete
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person.identifier.ridV-4985-2017
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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