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Metal uptake by microalgae: underlying mechanisms and practical applications

2012Journal article Restricted access
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dc.contributor.authorMonteiro, Cristina M.
dc.contributor.authorCastro, Paula M. L.
dc.contributor.authorMalcata, F. Xavier
dc.date.accessioned2013-05-02T15:13:20Z
dc.date.available2013-05-02T15:13:20Z
dc.date.issued2012
dc.description.abstractMetal contamination of a few aquatic, atmospheric, and soil ecosystems has increased ever since the industrial revolution, owing to discharge of such elements via the effluents of some industrial facilities. Their presence to excessive levels in the environment will eventually lead to serious health problems in higher animals owing to accumulation throughout the food web. Current physicochemical methods available for recovery of metal pollutants (e.g., chemical precipitation, oxidation/reduction, or physical ion exchange) are either expensive or inefficient when they are present at very low concentrations. Consequently, removal of toxic metals by microorganisms has emerged as a potentially more economical alternative. Microalgae (in terms of both living and nonliving biomass) are an example of microorganisms suitable to recover metals and able to attain noteworthy percent removals. Their relatively high metal-binding capacities arise from the intrinsic composition of their cell walls, which contain negatively charged functional groups. Consequently, microalgal cells are particularly efficient in uptake of those contaminants when at low levels. Self-defense mechanisms developed by microalgal cells to survive in metal-containing media and environmental factors that affect their removal (e.g., pH, temperature, and biomass concentration) are reviewed here in a comprehensive way and further discussed in attempts to rationalize this form of remediation vis-a-vis with conventional nonbiological alternativespor
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationMONTEIRO, C. M.; CASTRO, P.M.L.; MALCATA, F. X. - Metal Uptake by Microalgae: Underlying Mechanisms and Practical Applications. Biotechnology Progress. ISSN 1744-7429. Vol. 28, N.º 2 (2012), p. 299-311por
dc.identifier.doi10.1002/btpr.1504
dc.identifier.eissn1520-6033
dc.identifier.issn8756-7938
dc.identifier.urihttp://hdl.handle.net/10400.14/10408
dc.identifier.wosWOS:000302607100001
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAmerican Institute of Chemical Engineerspor
dc.relationOPTIMIZAÇÃO DOS PROCESSOS ENVOLVIDOS NA REMOÇÃO DE METAIS PESADOS UTILIZANDO MICROALGAS
dc.relationMICROPHYTE: Metabolic engIneering of Chlamydomonas and enviRonmental OPtimization for HYdrogen producTion and rElease
dc.subjectMicroalgaepor
dc.subjectMetalspor
dc.subjectToxicitypor
dc.subjectBiosorption mechanismspor
dc.subjectMultimetal systemspor
dc.titleMetal uptake by microalgae: underlying mechanisms and practical applicationspor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleOPTIMIZAÇÃO DOS PROCESSOS ENVOLVIDOS NA REMOÇÃO DE METAIS PESADOS UTILIZANDO MICROALGAS
oaire.awardTitleMICROPHYTE: Metabolic engIneering of Chlamydomonas and enviRonmental OPtimization for HYdrogen producTion and rElease
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F9332%2F2002/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FEBB-EBI%2F102728%2F2008/PT
oaire.citation.endPage311
oaire.citation.issue2
oaire.citation.startPage299
oaire.citation.titleBiotechnology Progress
oaire.citation.volume28
oaire.fundingStream3599-PPCDT
person.familyNameMonteiro
person.familyNameCastro
person.familyNameMalcata
person.givenNameCristina
person.givenNamePaula
person.givenNameFrancisco
person.identifier2013444
person.identifier.ciencia-id691A-CDC0-2C9B
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.ciencia-id1B13-38A5-35F5
person.identifier.orcid0000-0002-5668-8153
person.identifier.orcid0000-0001-8841-6606
person.identifier.orcid0000-0003-3073-1659
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id26029962100
person.identifier.scopus-author-id7102781782
person.identifier.scopus-author-id7102542478
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
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
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