【摘 要】
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A laecase (Denilite IIS) was used to treat reactive dyes. The results indicated that the laecase could remove the loosely adhering, unfixed or hydrolyzed dyes f
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A laecase (Denilite IIS) was used to treat reactive dyes. The results indicated that the laecase could remove the loosely adhering, unfixed or hydrolyzed dyes from the dyed fabric efficiently, which led to obvious improvements of color fastness. Furthermore, the wavelength of maximum absorbanee of the residual solution of dyeing laccase-treated was different from that of the detergent-treated, which implied the laccase could accelerate structural changes of the adhering or hydrolyzed dyes from fabric in treating, resulting in obvious color changes of the residual solution. In addition, excessive iaccase also could decolorize a few fixed reactive dyes from the dyed fabric, with a decrease of color strength and less further improvements of color fastness.
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