Decoloration of Amaranth by the white-rot fungus Trametes versicolor. Part I. Statistical analysis |
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Authors: | Gavril Mihaela Hodson Peter V McLellan Jim |
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Affiliation: | Department of Environmental and Water Research Engineering, University of Michigan, Ann Arbor, MI 48109, USA. mihaelag@engin.umich.edu |
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Abstract: | The white-rot fungus Trametes versicolor decolorized the mono-azo-substituted naphthalenic dye Amaranth. The relationship between the amount of enzymes present in the system and the efficiency of the decoloration process was investigated. The two responses used to quantify the process of decoloration (i.e., initial decoloration rate, v0, and the percent concentration of dye decolorized in 1 h, %c) were correlated with the amount of three enzymes considered for the study (lignin peroxidase, manganese peroxidase, and laccase) and analyzed through stepwise regression analysis (forward, backward, and mixed). The results of the correlation analysis and those of the regression analysis indicated that lignin peroxidase is the enzyme having the greatest influence on the two responses. |
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