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dc.contributor.authorDaâssi, Daleles_ES
dc.contributor.authorZouari-Mechichi, Hélaes_ES
dc.contributor.authorFrikha, Fakheres_ES
dc.contributor.authorMartínez, María Jesúses_ES
dc.contributor.authorNasri, M.es_ES
dc.contributor.authorMechichi, Tahares_ES
dc.date.issued2013-04-
dc.identifier.citation3 Biotech 3 (2) 115-125 (2013)es_ES
dc.identifier.issn2190-572X-
dc.identifier.urihttp://hdl.handle.net/10261/128512-
dc.description11 p.-5 fig.-6 tab.es_ES
dc.description.abstractThis study concerns the decolorization and detoxification of the azo dye Acid Orange 51 (AO51) by crude laccase from Trametes trogii produced in solid culture using sawdust as support media. A three-level Box–Behnken factorial design with four factors (enzyme concentration, 1-hydroxybenzotriazole (HBT) concentration, dye concentration and reaction time) combined with response surface methodology was applied to optimize AO51 decolorization. A mathematical model was developed showing the effect of each factor and their interactions on color removal. The model predicted that Acid Orange 51 decolorization above 87.87 ± 1.27 % could be obtained when enzyme concentration, HBT concentration, dye concentration and reaction time were set at 1 U/mL, 0.75 mM, 60 mg/L and 2 days, respectively. The experimental values were in good agreement with the predicted ones and the models were highly significant, the correlation coefficient (R 2) being 0.9. Then the desirability function was employed to determine the optimal decolorization condition for each dye and minimize the process cost simultaneously. In addition, germination index assay showed that laccase-treated dye was detoxified; however in the presence of HBT, the phytotoxicity of the treated dye was increased. By using cheap agro-industrial wastes, such as sawdust, a potential laccase was obtained. The low cost of laccase production may further broaden its application in textile wastewater treatment.es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.subjectCrude laccasees_ES
dc.subjectSynthetic textile dyeses_ES
dc.subjectMediatorses_ES
dc.subjectOptimizationes_ES
dc.subjectBox-Behnkenes_ES
dc.subjectDecolorizationes_ES
dc.subjectDetoxificationes_ES
dc.titleDecolorization of the azo dye Acid Orange 51 by laccase produced in solid culture of a newly isolated Trametes trogii straines_ES
dc.typeartículoes_ES
dc.identifier.doi10.​1007/​s13205-012-0076-2-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/ 10.1007/s13205-012-0076-2es_ES
dc.identifier.e-issn2190-5738-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/es_ES
dc.relation.csices_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
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