Results 281 to 290 of about 60,843 (335)
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Kinetic method for the study of xylan hydrolysis by xylan hydrolases [PDF]

open access: possibleMonatshefte f�r Chemie Chemical Monthly, 1989
The Somogyi-Nelson colorimetric method was used in a new manner more suitable for evaluating the kinetics of the enzyme hydrolysis of xylan catalyzed by xylan hydrolases. The values of the Michaelis parameters (Km=5.56 g l−1 andV=2.94 · 10−5M s−1) were determined.
Todor K. Nikolov   +3 more
openaire   +1 more source

Xylan and xylan derivatives – biopolymers with valuable properties, 1. Naturally occurring xylans structures, isolation procedures and properties [PDF]

open access: possibleMacromolecular Rapid Communications, 2000
The availability of xylan-type polysaccharides, representing an immense resource of biopolymers for practical application, is summarized. Xylans constitute 25–35% of the dry biomass of woody tissues of dicots and lignified tissues of monocots and occur up to 50% in some tissues of cereal grains.
Anna Ebringerová, Thomas Heinze
openaire   +1 more source

The Xylan of Rhodymenia palmata

Nature, 1950
Barry and Dillon1 reported the isolation from the red seaweed Rhodymenia palmata of a polysaccharide which gave D-xylose on hydrolysis. Our special interest in xylans2 has led us to investigate this substance more fully as part of the research programme of the Scottish Seaweed Research Association.
E G V, PERCIVAL   +5 more
openaire   +3 more sources

Acid hydrolysis of xylan

Catalysis Today, 2016
Abstract The public interest in usage of lignocellulosic biomass as a renewable resource has grown strongly during the last decade. Hemicelluloses are the second most abundant constituents of wood biomass, but have yet received less attention, compared to cellulose.
F.-A. Pahner   +8 more
openaire   +2 more sources

Xylan sulphate films

Carbohydrate Polymers, 2011
Xylan was 2-hydroxypropylsulfonated and/or 2-hydroxypropylquaternized for film application. All the products were water soluble with molar masses of the derivatives between Mn of 3.8 and 948.9 kg/mol with polydispersity index D from 1.7 to 26.8. At the range from 100 to 250 ?m of thickness the material developed reproducible mechanical properties. When
Ivan Simkovic   +4 more
openaire   +4 more sources

Enzymatic Hydrolysis of Xylan [PDF]

open access: possibleNature, 1953
A PREVIOUS investigation1 has shown that enzymes from Chœtomium globosum are able to hydrolyse wheat straw xylan to xylose with the formation of a series of intermediates, designated a,b,c, … g, which appear on paper-chromatograms with regularly decreasing RF-values, and which are believed to be oligosaccharides with regularly increasing xylose units ...
openaire   +2 more sources

Xylan-degrading activity in yeasts: Growth on xylose, xylan and hemicelluloses

Folia Microbiologica, 1978
The ability to grow in liquid media with D-xylose, xylan from decidous trees, and hemicelluloses from conifers was tested in 95 strains of 35 genera of yeasts and yeast-like organisms. Of 54 strains thriving on xylose, only 13 (genera Aureobasidium, Cryptococcus and Trichosporon) utilized xylan and hemicelluloses as growth substrates.
A. Kocková-Kratochvílová   +3 more
openaire   +3 more sources

Role of Hydrogen Bonding in the Interaction between a Xylan Binding Module and Xylan

Biochemistry, 2001
NMR studies of the internal family 2b carbohydrate binding module (CBM2b-1) of Cellulomonas fimi xylanase 11A have identified six polar residues and two aromatic residues that interact with its target ligand, xylan. To investigate the importance of the various interactions, free energy and enthalpy changes have been measured for the binding of xylan to
Jeremy H. Lakey   +8 more
openaire   +3 more sources

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