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Using fractionation and diffusion ordered spectroscopy to study lignin molecular weight

Research output: Contribution to journalArticle


James Montgomery, Priory Bazley, Tomas Lebl, Nicholas J. Westwood

School/Research organisations


Recent reports demonstrate that applications of the biopolymer lignin can be helped by the use of a portion of the lignin which has an optimal molecular weight range. Unfortunately, the current methods used to determine lignin’s molecular weight are inconsistent or not widely accessible. Here, an approach that relies on 2D DOSY NMR analysis is described that provides a measure of lignin’s molecular weight. Consistent results were obtained using this well-established NMR technique across a range of lignins.


Original languageEnglish
Pages (from-to)601-605
Number of pages5
Issue number5
Early online date25 Apr 2019
Publication statusPublished - May 2019

    Research areas

  • DOSY NMR, Biomass, Lignin, Molecular weight determination, Fractionation

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