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Related Experiment Video

Updated: Feb 28, 2026

Author Spotlight: Development and Characterization of Eco-Friendly Lignin-Based Microparticles for Enhanced Delivery of Bioflavonoids

Author Spotlight: Development and Characterization of Eco-Friendly Lignin-Based Microparticles for Enhanced Delivery of Bioflavonoids

Published on: March 1, 2024

Lignin from Micro- to Nanosize: Production Methods.

Stefan Beisl¹, Angela Miltner², Anton Friedl³

¹Institute of Chemical, Environmental and Biological Engineering, TU Wien, 1060 Vienna, Austria. stefan.beisl@tuwien.ac.at.

International Journal of Molecular Sciences

|June 13, 2017

Summary

Researchers explored methods for creating lignin nanoparticles, a valuable product from a paper industry byproduct. Solvent shifting shows promise for producing diverse lignin nanostructures adaptable to various lignin types.

Keywords:

biorefinery lignin microparticles nanoparticles precipitation

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Last Updated: Feb 28, 2026

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Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield

Published on: January 7, 2019

Area of Science:

Biopolymer chemistry
Materials science
Nanotechnology

Background:

Lignin, a byproduct of cellulose production, has historically low-value applications.
Emerging biorefinery projects and a changing paper market create opportunities for lignin valorization.
Nanomaterials offer unique properties, driving interest in lignin-based nanostructures.

Purpose of the Study:

To review methods for preparing lignin nanoparticles and nanostructures.
To assess the adaptability of different formation methods to diverse lignin types.
To identify achievable particle characteristics based on formation techniques.

Main Methods:

Focus on pH-shifting and solvent-shifting methods for lignin nanoparticle formation.
Evaluation of the capability of these methods to handle varied lignin structures.
Analysis of particle characteristics (solid/hollow) produced by solvent shifting.

Main Results:

Solvent-shifting methods can produce both solid and hollow lignin nanoparticles.
These methods demonstrate adaptability to different lignin types, solvents, and anti-solvents.
Particle characteristics are dependent on the chosen formation method and process conditions.

Conclusions:

Adapting process conditions is crucial for optimizing lignin nanoparticle formation from diverse sources.
Further research should focus on reducing solvent usage and integrating these methods into biorefinery processes.
Lignin-based nanomaterials offer a promising route for adding value to this abundant biopolymer.