The analysis of lignin isolated from lignocellulosic fibres and determination of optimal laccase-catalysed oxidation [Elektronski vir]
Krajnc, Helena ...
In these study lignins from different lignocellulosic fibres (jute, sisal and coconut) were isolated with combined chemical/bio-chemical procedure in order to achieve the highest purity and structure ...integrity as possible. Enzymatic activation and modification of isolated lignins were further performed using two different types of laccases, i.e. bacterial and fungal origin. In order to determine the differences in lignin structure before and after an enzymatic treatment different spectroscopic methods as ATR-FTIR, UV-VIS and XPS spectroscopy were used. Additionally, average particle size and surface charge of lignins were evaluated using zetasizer.
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