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Title:Tyrosinase catalysed coupling of functional molecules onto protein fibres
Authors:Jus, Suzana (Author)
Kokol, Vanja (Author)
Gübitz, Georg M. (Author)
Files:URL http://dx.doi.org/10.1016/j.enzmictec.2008.02.012
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Grafting, using oxidative enzymes shows a high potential for wool fibres funktionalisation. In this work we attempt to graft on wool fibres with phenolic antioxidants order to introduce and improve the properties of the fibre. The approach of tyrosinase to oxidize tyrosine residues in wool proteins to quinones, which can further react with free sulfhydryl (thiol), amino or phenolic groups of different substrates was exploited to couple different phenolic antioxidants (caffeic acid and chlorogenic acid) onto the wool fibre proteins. Tyrosinase catalysed reactions were followed by different analytical methods like oxygen consumption, FT-NIR Raman and UV/VIS spectroscopy. It was proved that phenolic compounds used are strongly cross-linked on the wool fibre resulting to an improved antioxidant activity.
Keywords:textile fibres, wool fibers, tyrosinase, caffeic acid, chlorogenic acid, grafting, chemical modification of fibres
Year of publishing:2008
ISSN on article:0141-0229
COBISS_ID:12130326 Link is opened in a new window
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Record is a part of a journal

Title:Enzyme and microbial technology
Shortened title:Enzyme microb. technol.
Publisher:Butterworth Scientific Ltd
COBISS.SI-ID:25406976 New window

Secondary language

Keywords:tekstilna vlakna, volna, volnena vlakna, tirozinaza, kofeinska kislina, klorogenska kislina, vezanje, kemična modifikacija vlaken


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