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Antimicrobial Ceramic Filters for Water Bio-Decontamination

2021-03-11Journal article Open access
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dc.contributor.authorFerreira, Olga
dc.contributor.authorRijo, Patricia
dc.contributor.authorGomes, João
dc.contributor.authorSantos, Ricardoen_US
dc.contributor.authorMonteiro, Sílvia
dc.contributor.authorGuedes, Ritaen_US
dc.contributor.authorSerralheiro, Maria Luísa
dc.contributor.authorGomes, Marisa
dc.contributor.authorGomes, Luciana C.
dc.contributor.authorMergulhão, Filipe J.
dc.contributor.authorSilva, Elisabete R.
dc.date.accessioned2021-04-08T23:55:41Z
dc.date.available2021-04-08T23:55:41Z
dc.date.issued2021-03-11en_US
dc.date.updated2021-04-08T23:55:39Z
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.en_US
dc.description.sponsorshipThis research work was supported by national funds through FCT-Foundation for Science and Technology within the scope of research units grants to BioISI (UIDB/04046/2020 and UIDP/04046/2020), and also by Base Funding-UIDB/00511/2020 of the Laboratory for Process Engineering, Environment, Biotechnology, and Energy-LEPABE-funded by national funds through the FCT/MCTES (PIDDAC). O. Ferreira also acknowledges the Grant PD/BD/128370/2017. L.C.G. and E.R.S. thank the Portuguese Foundation for Science and Technology (FCT) for their work contracts through the Scientific Employment Stimulus-Individual Call (CEECIND/01700/2017 and CEECIND/03530/2018).
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationFerreira O, Rijo P, Gomes J, Santos R, Monteiro S, Guedes R, et al. Antimicrobial Ceramic Filters for Water Bio-Decontamination. Coatings [Internet]. 2021 Mar 11;11(3):323. Available from: http://dx.doi.org/10.3390/coatings11030323en_US
dc.identifier.doi10.3390/coatings11030323
dc.identifier.slugcv-prod-2470625
dc.identifier.urihttp://hdl.handle.net/10451/47299
dc.language.isoengen_US
dc.publisherMDPI
dc.relationCEECIND/01700/2017
dc.relationBiosystems and Integrative Sciences Institute
dc.relationBiosystems and Integrative Sciences Institute
dc.relationLaboratory for Process Engineering, Environment, Biotechnology and Energy
dc.relationPhotocatalytic biocidal-foam flters for fluids pollutants: a non -toxic self cleaning strategy
dc.relation.publisherversionhttps://www.mdpi.com/2079-6412/11/3/323
dc.subjectMicro-foulers
dc.subjectBallast waters
dc.subjectCordierite monoliths
dc.subjectNon-biocide release coating
dc.subjectDynamic biofilm assays
dc.subjectAntimicrobial filtration
dc.titleAntimicrobial Ceramic Filters for Water Bio-Decontaminationen_US
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleBiosystems and Integrative Sciences Institute
oaire.awardTitleBiosystems and Integrative Sciences Institute
oaire.awardTitleLaboratory for Process Engineering, Environment, Biotechnology and Energy
oaire.awardTitlePhotocatalytic biocidal-foam flters for fluids pollutants: a non -toxic self cleaning strategy
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04046%2F2020/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/PD%2FBD%2F128370%2F2017/PT
oaire.citation.issue3en_US
oaire.citation.startPage323
oaire.citation.titleCoatingsen_US
oaire.citation.volume11en_US
oaire.fundingStream6817 - DCRRNI ID
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person.familyNameRegina Ferreira
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person.familyNameGomes
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person.givenNameOlga
person.givenNamePatrícia Dias de Mendonça
person.givenNameJoão
person.givenNameSilvia
person.givenNameMaria Luisa
person.givenNameMarisa
person.givenNameLuciana
person.givenNameFilipe
person.givenNameElisabete
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaid9F18-E2D0-58B2 | Elisabete Ribeiro Silva Geraldes
rcaap.rightsopenAccessen_US
rcaap.typearticleen_US
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