Characterisation of mass distributions of solvent-fractionated lignins using analytical ultracentrifugation and size exclusion chromatography methods.

ABSTRACT: Lignins are valuable renewable resources for the potential production of a large array of biofuels, aromatic chemicals and biopolymers. Yet native and industrial lignins are complex, highly branched and heterogenous macromolecules, properties that have to date often undermined their use as starting materials in lignin valorisation strategies. Reliable knowledge of weight average molar mass, conformation and polydispersity of lignin starting materials can be proven to be crucial to and improve the prospects for the success of such strategies. Here we evaluated the use of commonly-used size exclusion chromatography (SEC)-calibrated with polystyrene sulphonate standards-and under-used analytical ultracentrifugation-which does not require calibration-to characterise a series of lignin fraction

SUBMITTER: Lu Y 

PROVIDER: S-EPMC8260654 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature