Preparation and Characterization of Size-Controlled Lignin Nanoparticles with Deep Eutectic Solvents by Nanoprecipitation

被引：55
作者：
Luo, Tong [1 ]
Wang, Chao [1 ]
Ji, Xingxiang [1 ]
Yang, Guihua [1 ]
Chen, Jiachuan [1 ]
Janaswamy, Srinivas [2 ]
Lyu, Gaojin [1 ]
机构：
[1] Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Peoples R China
[2] South Dakota State Univ, Dept Dairy & Food Sci, Brookings, SD 57007 USA
来源：
MOLECULES | 2021年 / 26卷 / 01期
基金：
中国国家自然科学基金;
关键词：
lignin; nanoparticles; deep eutectic solvents; nanoprecipitation; size-controlled;
D O I：
10.3390/molecules26010218
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Lignin nanomaterials have wide application prospects in the fields of cosmetics delivery, energy storage, and environmental governance. In this study, we developed a simple and sustainable synthesis approach to produce uniform lignin nanoparticles (LNPs) by dissolving industrial lignin in deep eutectic solvents (DESs) followed by a self-assembling process. LNPs with high yield could be obtained through nanoprecipitation. The LNPs were characterized by dynamic light scattering (DLS), transmission electron microscopy (TEM), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and gel permeation chromatography (GPC). Distinct LNPs could be produced by changing the type of DES, lignin sources, pre-dropping lignin concentration, and the pH of the system. Their diameter is in the range of 20-200 nm and they show excellent dispersibility and superior long-term stability. The method of preparing LNPs from lignin-DES with water as an anti-solvent is simple, rapid, and environmentally friendly. The outcome aids to further the advancement of lignin-based nanotechnology.
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页数：11
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