Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2014 m. Nr. 1 Biokatalizinis procesas oksiduotų ksilooligosacharidų sintezei iš ksilano
Pyrroloquinoline quinone dependent glucose dehydrogenases (PQQ-GDH) are attractive catalysts because of their wide substrate specificity and non-diffusible cofactor. PQQ-GDH from Acinetobacter sp. is capable to oxidize xylobiose or xylotetraose to the corresponding aldonic acid. The PQQ-GDH covalently immobilized on silica gel by cross-linking with glutaraldehyde exhibits higher thermostability compared with the free enzyme. The procedure of dichlorophenol indophenol mediated oxidation of xylobiose and xylotetraose in the presence of immobilized PQQ-GDH and laccase was developed.
Keywords: xylooligosacharides, xylanase, pyrroloquinoline quinone dependent glucose dehydrogenase, aldonic acids |
Issues:
2017 - Vol.28 No. 1, No. 2, No. 3, No. 4 2016 - Vol.27 No. 1, No. 2, No. 3, No. 4 2015 - Vol.26 No. 1, No. 2, No. 3, No. 4 2014 - Vol.25 No. 1, No. 2, No. 3, No. 4 2013 - Vol.24 No. 1, No. 2, No. 3, No. 4 2012 - Vol.23 No. 1, No. 2, No. 3, No. 4 2011 - Vol.22 No. 1, No. 2, No. 3, No. 4 2010 - Vol.21 No. 1, No. 2-4 2009 - Vol.20 No. 1, No. 2, No. 3, No. 4 2008 - Vol.19 No. 1, No. 2, No. 3-4 2007 - Vol.18 No. 1, No. 2, No. 3, No. 4 2006 - Vol.17 No. 1, No. 2-3, No. 4 2005 - Vol.16 No. 1, No. 2, No. 3-4 2004 - Vol.15 No. 1, No. 2, No. 3, No. 4 2003 - Vol.14 No. 1, No. 2, No. 3, No. 4 2002 - Vol.13 No. 1, No. 2, No. 3, No. 4 2001 - Vol.12 No. 1, No. 2, No. 3, No. 4 |