| Determination of the degradation products of selected sulfonated phenylazonaphthol dyes treated by white rot fungus Pleurotus ostreatus by capillary electrophoresis coupled with electrospray ionization ion trap mass spectrometry. | |
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MedLine Citation:
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PMID: 18778834 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The removal of water-soluble sulphonated phenylazonaphthol dye effluents generated by textile industries is an important issue in wastewater treatment. Microbial treatment of environmental pollutants including dyes, with white rot fungi has received wide attention as a potential alternative for conventional methods in wastewater treatment. Three sulphonated phenylazonaphthol dyes with similar molecular structures Acid Orange 7, Acid Orange 8 and Mordant Violet 5 were selected and degraded by the white rot fungus Pleurotus ostreatus. Chemical instrumental analysis methods such as high-performance liquid chromatography (HPLC) and capillary electrophoresis combined with electrospray ionization mass spectrometry (CE-ESI-MS) were used to identify the degraded dyes. Mordant Violet 5 had two degradation pathways when degraded by P. ostreatus. The first degradation pathway for Mordant Violet 5 was for trans structure and the cis-Mordant Violet 5 followed the second pathway. Acid Orange 8 and Acid Orange 7 had the same degradation mechanism as the first degradation mechanism for Mordant Violet 5, that is cleavage of azo bond at the naphthalene ring side where benzenesulfonic acid and 1,2-naphthoquinone are formed. |
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Authors:
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Yiping Lu; Dennis R Phillips; Lude Lu; Ian R Hardin |
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Publication Detail:
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Type: Journal Article Date: 2008-08-28 |
Journal Detail:
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Title: Journal of chromatography. A Volume: 1208 ISSN: 0021-9673 ISO Abbreviation: J Chromatogr A Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2008-10-20 Completed Date: 2008-12-09 Revised Date: 2009-01-15 |
Medline Journal Info:
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Nlm Unique ID: 9318488 Medline TA: J Chromatogr A Country: Netherlands |
Other Details:
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Languages: eng Pagination: 223-31 Citation Subset: IM |
Affiliation:
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Department of Textiles, Merchandising, & Interiors, University of Georgia, Athens, GA 30602-3622, USA. Yiping73@gmail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Benzenesulfonates
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analysis*,
chemistry Biodegradation, Environmental Chromatography, High Pressure Liquid / methods* Coloring Agents / analysis, metabolism* Electrophoresis, Capillary / methods* Pleurotus / metabolism* Spectrometry, Mass, Electrospray Ionization / methods* |
| Chemical | |
Reg. No./Substance:
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0/Benzenesulfonates; 0/Coloring Agents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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