# Electrospun Maltodextrin Fibers for Efficient Removal of Nanoparticles, Atenolol, and Crystal Violet: Preparation and Characterization

**Authors:** Eya Ben Khalifa, Claudio Cecone, Boutheina Rzig, Giulia Mori, Federico Cesano, Mery Malandrino, Pierangiola Bracco, Giuliana Magnacca

PMC · DOI: 10.1021/acsomega.5c03266 · 2025-10-15

## TL;DR

Researchers made eco-friendly fibers from maltodextrin and amino acids that can efficiently remove pollutants like atenolol and crystal violet from water.

## Contribution

The novel contribution is the development of amino acid-modified maltodextrin electrospun fibers for water pollutant removal.

## Key findings

- Cysteine-modified fibers achieved up to 98% removal of crystal violet.
- Lysine-modified fibers were most effective for gold nanoparticle removal.
- The fibers achieved 82% atenolol removal but had limited performance for silver nanoparticles.

## Abstract

Maltodextrins are
promising, sustainable, and low-cost materials
suitable for environmental remediation applications. This study developed
eco-friendly electrospun cross-linked fibers from maltodextrins (GLU2),
combined with betaine, lysine, and cysteine. The resulting fibers
exhibited a well-defined bead-free structure, good thermal stability,
and successfully incorporated nitrogen functional groups. They were
subsequently tested for removing water pollutants, including metal
nanoparticles, crystal violet, and atenolol. Adsorption tests revealed
that GLU2 fibers achieved 82% atenolol removal, although the performance
was limited for silver nanoparticles, likely due to particle aggregation.
The combination with lysine proved to be the most effective for gold
nanoparticle removal, while cysteine-modified GLU2 fibers achieved
up to 98% removal of crystal violet. These findings highlight the
potential of amino acid-modified maltodextrin electrospun mats as
effective adsorbents for water remediation.

## Linked entities

- **Chemicals:** atenolol (PubChem CID 2249), crystal violet (PubChem CID 3468), betaine (PubChem CID 247), lysine (PubChem CID 866), cysteine (PubChem CID 594)

## Full-text entities

- **Chemicals:** amino acid (MESH:D000596), water (MESH:D014867), betaine (MESH:D001622), metal (MESH:D008670), silver (MESH:D012834), GLU2 (-), Crystal Violet (MESH:D005840), nitrogen (MESH:D009584), cysteine (MESH:D003545), gold (MESH:D006046), lysine (MESH:D008239), Maltodextrin (MESH:C008315), Atenolol (MESH:D001262)

## Figures

14 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12573020/full.md

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Source: https://tomesphere.com/paper/PMC12573020