Issue 1, 2019
From the journal:

Nanoscale Advances

On the solution structure of kraft lignin in ethylene glycol and its implication for nanoparticle preparation

Mingkun Yang,a   Wenwen Zhao,a   Seema Singh, ORCID logo b   Blake Simmons ORCID logo cd  and  Gang Cheng ORCID logo *a  

* Corresponding authors

a State Key Laboratory of Organic-Inorganic Composites, College of Life Science and Technology, Beijing University of Chemical Technology, North 3rd Ring East, # 15, Beijing, China
E-mail: gchengbuct@gmail.com, chenggang@mail.buct.edu.cn

b Biomass Science and Conversion Technology Department, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551, USA

c Joint BioEnergy Institute (JBEI), 5885 Hollis Street, Emeryville, CA 94608, USA

d Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA

Abstract

Ethylene glycol (EG) starts to attract attention as a robust solvent for lignin processing. However its solution structure has not been revealed. In this effort, small angle neutron scattering (SANS) and dynamic light scattering are used to understand the dissolution of kraft lignin in EG and the impact of the resultant solution structure on nanoparticle preparation. Lignin solutions with different concentrations (0.6 to 13.0 wt%) were explored by SANS, allowing evaluation of the solvent quality, the conformation of lignin subunits and their aggregation in EG. Molecular interactions between EG and lignin were discussed and compared to those between DMSO and lignin. The process of nanoparticle preparation from EG solutions upon addition of anti-solvents was also discussed.

Graphical abstract: On the solution structure of kraft lignin in ethylene glycol and its implication for nanoparticle preparation

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Article information

DOI
https://doi.org/10.1039/C8NA00042E
Article type
Paper
Submitted
15 Jun 2018
Accepted
25 Aug 2018
First published
06 Sep 2018
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2019,1, 299-304

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On the solution structure of kraft lignin in ethylene glycol and its implication for nanoparticle preparation

M. Yang, W. Zhao, S. Singh, B. Simmons and G. Cheng, Nanoscale Adv., 2019, 1, 299 DOI: 10.1039/C8NA00042E

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