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Title:Tyrosinase-catalysed coating of wool fibres with different protein-based biomaterials
Authors:ID Jus, Suzana (Author)
ID Kokol, Vanja (Author)
ID Gübitz, Georg M. (Author)
Files:URL http://dx.doi.org/10.1163/156856209X404523
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The potential of tyrosinases to activate tyrosine residues of wool protein fibres for cross-linking with different materials like collagen, elastin and gelatine was assessed. Natural fibres like wool offer an excellent environment for the growth of micro-organisms when the conditions like moisture, oxygen and temperature are appropriate. Coating with collagen, a very useful biomaterial with bactericidal and fungicidal properties, could be used to improve the properties of wool-based materials, especially when applied in hygienically sensitive applications like in hospitals. Tyrosinases were shown to catalyse the oxidation of tyrosine residues in wool and wool hydrolysates as model substrates, as determined by UV-Vis spectroscopy. Structural differences of the surface were evident from the increase of the intensity in the NH bending and stretching regions in the spectra of NIR FT Raman analysis of the enzyme treated and grafted wool fibres. The durability of the coating was also shown by using FITC-labelled collagen that was bound to the wool fibres, even after severe washing. Additionally, antimicrobial properties were successfully imparted due to the collagen grafted on the wool fibres. The functional and mechanical properties of the treated wool fibres showed no significant changes.
Keywords:textile fibres, wool, protein substrates, tyrosinase, enzymatic coupling, antimicrobial properties, coating
Year of publishing:2009
PID:20.500.12556/DKUM-27348 New window
UDC:677.31.016:66.09
ISSN on article:0920-5063
COBISS.SI-ID:12917526 New window
NUK URN:URN:SI:UM:DK:3P935RCK
Publication date in DKUM:01.06.2012
Views:2064
Downloads:93
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
JUS, Suzana, KOKOL, Vanja and GÜBITZ, Georg M., 2009, Tyrosinase-catalysed coating of wool fibres with different protein-based biomaterials. Journal of biomaterials science [online]. 2009. [Accessed 22 January 2025]. Retrieved from: http://dx.doi.org/10.1163/156856209X404523
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Record is a part of a journal

Title:Journal of biomaterials science
Shortened title:J. biomater. sci., Polym. ed.
Publisher:VSP
ISSN:0920-5063
COBISS.SI-ID:705301 New window

Secondary language

Language:English
Keywords:tekstilna vlakna, volna, encimi, tirozinaza, antimikrobne lastnosti, proteini, kemična modifikacija vlaken


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