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Polysaccharide conformations measured by solution state X-ray scattering
National Tsing Hua University, Taiwan.
Australian Synchrotron, Australia.
National Tsing Hua University, Taiwan.
RISE - Research Institutes of Sweden, Bioscience and Materials, Agrifood and Bioscience.
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2019 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, article id 136951Article in journal (Refereed) Epub ahead of print
Abstract [en]

Polysaccharides are semi-flexible polymers composed of sugar residues with a myriad of important functions including structural support and energy storage. The local conformation of such chains is a crucial factor governing their interactions. Traditionally this conformation has only been directly accessible in the solid-state, using crystallographic techniques such as fibre diffraction. Herein it is demonstrated that improvements in the quality of synchrotron-based X-ray scattering data means that conformation-dependent features, the positions of which are related to the linear repeating distance between single saccharide monomers, can now be measured in solution. This technique is expected to be universally applicable for polysaccharides.

Place, publisher, year, edition, pages
Elsevier B.V. , 2019. article id 136951
Keywords [en]
Alginate, Pectin, Polysaccharide, SAXS, WAXS, Digital storage, Polysaccharides, X ray scattering, Semi-flexible polymers, Structural support, Sugar residues, Conformations
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-40931DOI: 10.1016/j.cplett.2019.136951Scopus ID: 2-s2.0-85075358498OAI: oai:DiVA.org:ri-40931DiVA, id: diva2:1376713
Note

Funding details: Ministry of Science and Technology, Taiwan, MOST; Funding text 1: The authors thank Benjamin Westberry for assistance with sample transportation and Nigel Kirby for assistance during data acquisition. The NZ synchrotron group are acknowledged for travel funding. Part of this research was undertaken on the SAXS/WAXS beam-line at the Australian Synchrotron, part of ANSTO. Post doctoral funding for BM was provided by the Ministry of Science and Technology , Taiwan under Grant No. MOST 105-2221-E-007-137-MY3 . Appendix A

Available from: 2019-12-10 Created: 2019-12-10 Last updated: 2019-12-12Bibliographically approved

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