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Related Experiment Video

Updated: Dec 5, 2025

Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology
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Innovative process for obtaining modified nanocellulose from soybean straw.

A G Souza1, D F Santos2, R R Ferreira1

  • 1Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas - CECS/Universidade Federal do ABC (UFABC) - Santo André, SP, Avenida dos Estados, 5001, CEP: 09210-580, Brazil.

International Journal of Biological Macromolecules
|October 19, 2020
PubMed
Summary
This summary is machine-generated.

Soybean straw was transformed into nanocellulose (NC) using ball milling and in-situ modification with a surfactant. The modified NC exhibited enhanced stability and a nanocrystal structure, suitable for various industrial applications.

Keywords:
Agricultural wastesNanocelluloseSoybean strawSurface modification

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Area of Science:

  • Materials Science
  • Biotechnology
  • Polymer Science

Background:

  • Nanocellulose (NC) derived from biomass offers sustainable alternatives in materials science.
  • Soybean straw presents an abundant lignocellulosic resource for NC production.
  • Surface modification of NC is crucial for tailoring its properties and expanding applications.

Purpose of the Study:

  • To prepare and characterize nanocellulose from soybean straw using ball milling.
  • To investigate the effect of in-situ anionic surfactant modification on NC properties.
  • To evaluate the potential applications of modified nanocellulose.

Main Methods:

  • Ball milling of soybean straw for varying durations (6, 9, 12 h).
  • In-situ modification of nanocellulose with an anionic surfactant during milling.
  • Characterization using FTIR, XPS, DLS, Zeta potential, TEM, XRD, and TGA.

Main Results:

  • In-situ modified NC showed smaller particle sizes and improved electrostatic stability.
  • The surfactant altered the milling process, yielding nanocrystals instead of nanofibers.
  • Modified NC exhibited lower crystallinity and crystal size but superior thermal stability compared to unmodified NC.
  • NC modified for 12 hours (NC-12S) demonstrated optimal particle size, electrostatic, and thermal stability.

Conclusions:

  • In-situ modification with an anionic surfactant effectively enhances the properties of nanocellulose derived from soybean straw.
  • The optimized 12-hour milling process yields stable nanocrystals suitable for advanced applications.
  • Prepared nanocellulose holds potential for use as coatings, emulsifiers, and reinforcing agents in nanocomposites.