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Updated: Nov 17, 2025

Using Magnetometry to Monitor Cellular Incorporation and Subsequent Biodegradation of Chemically Synthetized Iron Oxide Nanoparticles

Using Magnetometry to Monitor Cellular Incorporation and Subsequent Biodegradation of Chemically Synthetized Iron Oxide Nanoparticles

Published on: February 27, 2021

Iron Oxide Nanoparticles: Biosynthesis, Magnetic Behavior, Cytotoxic Effect.

Abdolhossein Miri¹, Hakimeh Najafzadeh¹, Majid Darroudi²

¹Department of Pharmacognosy, Faculty of Pharmacy, Zabol University of Medical Sciences, Zabol, Iran.

|February 16, 2021

Summary

This study synthesized iron oxide nanoparticles (Fe2O3 NPs) using a plant extract. These NPs show potential for removing heavy metals from wastewater and have no cytotoxicity against lung cancer cells at low concentrations.

Keywords:

cytotoxic effects iron oxide nanoparticles lead removal manna derivatives superparamagnetic effects

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Area of Science:

Materials Science
Nanotechnology
Environmental Science

Background:

Iron oxide nanoparticles (Fe2O3 NPs) exhibit superparamagnetic properties, enabling diverse applications.
Potential uses include magnetic storage, catalysis, sensors, and advanced medical imaging (MRI) and therapeutics.

Purpose of the Study:

To synthesize Fe2O3 NPs using an aqueous solution of taranjabin (Persian manna).
To characterize the synthesized NPs and evaluate their potential in wastewater treatment and biomedical applications.

Main Methods:

Fe2O3 NPs were synthesized using taranjabin aqueous solution.
Characterization involved PXRD, XPS, FT-IR, FESEM, TEM, EDX, VSM, and Raman spectroscopy.
Cytotoxicity assays were performed on A549 lung cancer cells, and lead removal efficiency was tested in wastewater.

Main Results:

The synthesized NPs possess a hexagonal structure, with sizes ranging from 20 to 60 nm.
No significant cytotoxic activity was observed against A549 cells at concentrations up to 200 μg/mL.
The Fe2O3 NPs demonstrated a high lead removal efficiency of 96.73% at an adsorbent concentration of 50 mg/L.

Conclusions:

Synthesized Fe2O3 NPs are a promising candidate for heavy metal remediation in contaminated water.
The NPs exhibit a favorable safety profile for potential biomedical applications.