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Xylan Plastic

ACS Nano, 2023
The increasing accumulation of plastic waste has brought serious environmental issues. Biodegradable plastics are promising candidates to solve the problem but still remain a scientific challenge. Here, xylan plastic (XP) was fabricated by a strategy of double cross-linking through etherification combined with hot pressing.
Siyu Jia   +7 more
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Xylan biosynthesis

Current Opinion in Biotechnology, 2014
Plant cells are surrounded by a rigid wall made up of cellulose microfibrils, pectins, hemicelluloses, and lignin. This cell wall provides structure and protection for plant cells. In grasses and in dicot secondary cell walls, the major hemicellulose is a polymer of β-(1,4)-linked xylose units called xylan.
Emilie A, Rennie, Henrik Vibe, Scheller
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Outstanding questions on xylan biosynthesis

Plant Science, 2022
Xylan is the second most abundant polysaccharide in plant biomass. It is a crucial component of cell wall structure as well as a significant factor contributing to biomass recalcitrance. Xylan consists of a linear chain of β-1,4-linked xylosyl residues that are often substituted with glycosyl side chains, such as glucuronosyl/methylglucuronosyl and ...
Zheng-Hua, Ye, Ruiqin, Zhong
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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.
P, Biely   +3 more
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Functionalized xylans in the production of xylan-coated paper laminates

Reactive and Functional Polymers, 2017
Abstract Two functionalized xylans, namely a carboxymethyl xylan (CMX) and a 2-dodecenyl succinic anhydride-modified xylan (X-2-DSA) were, i) synthesized from beechwood xylan (BX) and characterized for their structural properties, thermal behaviour and molar mass and, ii) used in the production of paper/xylan laminates for food packaging.
Ana Ramos   +3 more
openaire   +1 more source

Eucalyptus xylan: An in-house-produced substrate for xylanase evaluation to substitute birchwood xylan

Carbohydrate Polymers, 2018
Over the past decades, most studies with xylanases have used Birchwood xylan as the standard substrate for activity assays. However, recently, Birchwood xylan production was discontinued by major suppliers, creating an important demand for a substitute.
Felipe A S Corradini   +2 more
exaly   +3 more sources

Kinetic method for the study of xylan hydrolysis by xylan hydrolases

Monatshefte 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.
Nadka G. Bakalova   +3 more
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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
H, Xie   +8 more
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Enzymatic Hydrolysis of Xylan

Nature, 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 ...
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