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ITS » Scientific Articles » Luar ITS
Posted by endry@bio.its.ac.id at 18/12/2014 19:05:29  •  838 Views


COUPLING OF AROMATIC AMINES ONTO SYRINGYLGLYCEROL 946 GUAIACYLETHER USING BACILLUS SF SPORE LACCASE A MODEL FOR FUNCTIONALIZATION OF LIGNIN BASED MATERIALS

Author :
KUDANGA, TUKAYI; PRASETYO, ENDRY NUGROHO ( none; 197310142000121001 )
SIPILIA, JUSSI; EBERI, ANITA   NYANHONGO, GIBSON S; GUEBITZ, GEORG M




ABSTRAK

The potential of Bacillus SF spore laccase for coupling aromatic amines to lignin model molecules as a way of creating a stable reactive surface was investigated. The Bacillus spore laccase was shown to be active within the neutral to alkaline conditions pH 78.5 and was more resistant to common laccase inhibitors than fungal laccases. Using this enzyme tyramine was successfully covalently coupled onto syringylglycerol 946-guaiacylether via a 4-O-5 bond leaving the NH2 group free for further attachment of functional molecules. This study demonstrates the potential of Bacillus SF spore laccase for application in lignocellulose surface functionalization and other coupling reactions which can be carried out at neutral to alkaline pH under extreme conditions which normally inhibit fungal laccases.



KeywordsBacillus SF spore laccase; Coupling; Syringylglycerol β-guaiacylether
 
Subject:  Lignin
Date Create: 00/12/2009
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-Article-99015140000144
Collection ID: 99015140000144
Call Number: 572.566 82 Kud c


Source
article of Journal of Molecular Catalysis B: Enzymatic Volume 61, Issues 3–4, December 2009, Pages 143–149

Coverage
ITS Community

Rights
Journal of Molecular Catalysis B: Enzymatic Volume 61, Issues 3–4, December 2009, Pages 143–149




[ Download - Summary ]

ITS-Article-99015140000144-34837.pdf



[ Link of Contents]
  1. COUPLING OF AROMATIC AMINES ONTO SYRINGYLGLYCEROL β GUAIACYLETHER USING BACILLUS SF SPORE LACCASE: A MODEL FOR FUNCTIONALIZATION OF LIGNIN BASED MATERIALS
    http://www.sciencedirect.com/science/article/pii/S138111770900160X



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