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Tailormade Polysaccharides with Defined Branching Patterns:Enzymatic Polymerization of Arabinoxylan Oligosaccharides
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology. KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Centres, Wallenberg Wood Science Center.
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2018 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, p. 12163-12168Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [en]

The heterogeneous nature of non-cellulosic polysaccharides,such as arabinoxylan, makes it difficult tocorrelate molecular structure with macroscopic properties. Tostudy the impact of specific structural features of the polysaccharideson crystallinity or affinity to other cell wall components,collections of polysaccharides with defined repeatingunits are required. Herein, a chemoenzymatic approach toartificial arabinoxylan polysaccharides with systematicallyaltered branching patterns is described. The polysaccharideswere obtained by glycosynthase-catalyzed polymerization ofglycosyl fluorides derived from arabinoxylan oligosaccharides.X-ray diffraction and adsorption experiments on cellulosicsurfaces revealed that the physicochemical properties of thesynthetic polysaccharides strongly depend on the specificnature of their substitution patterns. The artificial polysaccharidesallow structure–property relationship studies that are notaccessible by other means.

Place, publisher, year, edition, pages
2018. p. 12163-12168
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Natural Sciences
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URN: urn:nbn:se:kth:diva-251376DOI: 10.1002/anie.201806871OAI: oai:DiVA.org:kth-251376DiVA, id: diva2:1315231
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QC 20190515

Available from: 2019-05-13 Created: 2019-05-13 Last updated: 2019-10-30Bibliographically approved

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Farahani, Saina KishaniWågberg, Lars
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