Laccase-assisted dyeing of cotton

Cotton cellulose was dyed "in situ" with a polymeric dye generated by oxidative coupling of colourless 2,5-diaminobenzenesulfonic acid and 1-hydroxyphenol (catechol) with laccase. Up to 70% dye fixation was obtained increasing the concentration of catechol less soluble upon oxidation from...

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Bibliographic Details
Published in:Biotechnology letters 2006-05, Vol.28 (10), p.755-759
Main Authors: HADZHIYSKA, Hristina, CALAFELL, Margarita, GIBERT, Josep M, DAGA, Josep M, TZANOV, Tzanko
Format: Article
Language:English
Subjects:
Acids
Basidiomycota - enzymology
Biological and medical sciences
Biotechnology
Biotechnology - methods
Cellulose
Coloring Agents - pharmacology
Cotton
Cotton Fiber
Dyes
Fundamental and applied biological sciences. Psychology
Gossypium - chemistry
Laccase - chemistry
Oxidative stress
Phenols - chemistry
Phenylenediamines - chemistry
Polymers
Reagents
Temperature
Textile Industry
Textiles
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Summary:Cotton cellulose was dyed "in situ" with a polymeric dye generated by oxidative coupling of colourless 2,5-diaminobenzenesulfonic acid and 1-hydroxyphenol (catechol) with laccase. Up to 70% dye fixation was obtained increasing the concentration of catechol less soluble upon oxidation from 1 to 10 mmol, while 1 mmol of diamine was used. Dye fixation was not achieved using equal molar concentrations of the reagents.
ISSN:0141-5492
1573-6776
DOI:10.1007/s10529-006-9043-5