Related Experiment Video
Updated: Jun 23, 2026
06:48
Antibody Labeling with Fluorescent Dyes Using Magnetic Protein A and Protein G Beads
Published on: September 15, 2016
12.5K
Magnetic amino-functionalized hyper-crosslinked resin as a reusable adsorbent for methylene blue
Claudia Cirillo1,2, Mariagrazia Iuliano3,4, Michele Modestino3
1Department of Physics "E.R. Caianiello", University of Salerno, Via Giovanni Paolo II, 132, 84084, Fisciano, SA, Italy. clcirillo@unisa.it.
Scientific Reports
|March 26, 2026
Summary
A novel magnetic adsorbent, Fe3O4@XDV-NH2, effectively removes methylene blue dye from water. This sustainable material shows high adsorption capacity and reusability for wastewater treatment.
Area of Science:
- Environmental Chemistry
- Materials Science
- Nanotechnology
Background:
- Organic dye contamination poses a significant environmental threat to water resources.
- Methylene blue (MB) is a toxic, stable cationic dye requiring efficient removal methods.
Purpose of the Study:
- To synthesize and evaluate a magnetic amino-functionalized hyper-crosslinked resin (Fe3O4@XDV-NH2) for MB removal.
- To investigate the adsorption performance, mechanism, and reusability of the developed adsorbent.
Main Methods:
- Fe3O4 nanoparticles were integrated into an amino-functionalized hyper-crosslinked polymer.
- Batch adsorption experiments were conducted to determine adsorption capacity, kinetics, and isotherms.
- Characterization included structural, magnetic, and porosity analyses.
Main Results:
- The Fe3O4@XDV-NH2 adsorbent exhibited a maximum adsorption capacity of 79.60 mg/g.
- Adsorption followed pseudo-second-order kinetics and Langmuir isotherm models, indicating monolayer adsorption.
- High removal efficiencies (94.11% in tap water) and good reusability (89% capacity after 6 cycles) were achieved.
Conclusions:
- Fe3O4@XDV-NH2 is a highly efficient, stable, and reusable adsorbent for methylene blue removal.
- The magnetic properties facilitate easy separation, making it suitable for industrial wastewater treatment.
- This adsorbent offers a promising sustainable solution for dye-contaminated water remediation.
