Abstracts

Biological sciences

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Degradation of azo dyes by Trametes villosa laccase over long periods of oxidative conditions

Article Abstract:

Trametes villosa laccase is used for direct azo dye degradation, and the reaction products that accumulated after 72 h of incubation is analyzed. Liquid chromatography-mass spectrometry (LC-MS) analysis reveal the formation of phenolic compounds during the dye oxidation process as well as large amount of polymerized products that retain azo group integrity.

Observations, Decomposition (Chemistry), Incubation

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Decolorization and detoxification of textile dyes with a laccase from Trametes hirsuta

Article Abstract:

Immobilizing the enzyme laccase from Trametes hirsuta stabilizes it and makes is more resistant to enzyme inhibitors. Immobilized laccase detoxified anthraquinonic dyes by up to 80%. This enzyme system could be used to decolorize and detoxify effluents from textile mills and other industries that generate phenolic compounds.

Bioremediation, Microbial enzymes, Dyes and dyeing, Dyeing, Dyes

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A new alkali-thermostable azoreductase from Bacillus sp. strain SF

Article Abstract:

Stringent environmental regulations have necessitated the treatment and reuse of dyeing effluents. Several microorganisms have the potential for azo-dye degradation but very few strains can withstand the conditions of dyeing effluents in terms of temperature and pH.

Microorganisms, Environmental psychology

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