Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/1459

TitleComparative studies of fungal degradation of single or mixed bioaccessible reactive azo dyes
Author(s)Martins, M. Adosinda M.
Lima, Nelson
Silvestre, Armando J. D.
Queiroz, Maria João R. P.
KeywordsWhite rot fungi
Textile dyes degradation
Ligninolytic enzymes
Wastewater treatment
Issue date2003
PublisherElsevier Science
JournalChemosphere
Citation"Chemosphere". ISSN 0045-6535. 52 (2003) 967–973.
Series/Report no.2003
22
Abstract(s)A screening using several fungi (Phanerochaete chrysosporium, Pleurotus ostreatus, Trametes versicolor and Aureobasidium pullulans) was performed on the degradation of syringol derivatives of azo dyes possessing either carboxylic or sulphonic groups, under optimized conditions previously established by us. T. versicolor showed the best biodegradation performance and its potential was confirmed by the degradation of differently substituted fungal bioaccessible dyes. Enzymatic assays (lignin peroxidase, manganese peroxidase, laccase, proteases and glyoxal oxidase) and GC-MS analysis were performed upon the assay obtained using the most degraded dye. The identification of hydroxylated metabolites allowed us to propose a possible metabolic pathway. Biodegradation assays using mixtures of these bioaccessible dyes were performed to evaluate the possibility of a fungal wastewater treatment for textile industries.
TypeArticle
URIhttp://hdl.handle.net/1822/1459
DOI10.1016/S0045-6535(03)00286-8
ISSN0045-6535
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series
DCILM - Artigos (Papers)

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