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Kinetic Dynamics in Cellulase Hydrolysis of C.I. Sulfur Black 1 Dyed Cotton Fabric

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The enzymatic hydrolysis of cellulose by cellulase is one of the major steps in the processing of cellulosic fiber based textiles. The influence of dyes on cellulase performance for cellulosic fabrics has not been conclusively studied. However, cellulase inhibition by sulfur dyes in fiber was observed to some extent. In this paper, undyed and C.I. Sulfur Black 1 dyed cotton fabrics were both treated with acid cellulase L4. The hairiness removal percentage, protein adsorption on the fabric, and glucose content in the treatment bath were monitored to explore the interaction between cellulase and sulfur dyed fabric. It was concluded that dyed fabric had higher protein adsorption, and lower hairiness removal percentage and glucose content, than that of the undyed fabric.
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Keywords: CELLULASE; CELLULOSE; ENZYME INHIBITION; HYDROLYSIS; KINETICS; MODELING; SULFUR DYES

Document Type: Research Article

Publication date: July 1, 2015

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