Green Synthesis of Iron Oxide Nanoparticles for Cancer Treatment
Author Information
Author(s): Jesus Juliana, Joana Regadas, Bárbara Costa, João Carvalho, Sofia Pádua, Célia Henriques, Paula I. P. Soares, Sílvia Gavinho, Manuel A. Valente, Manuel P. F. Graça, Sílvia Soreto Teixeira
Primary Institution: i3N and Department of Physics, University of Aveiro, Portugal
Hypothesis
Can magnetite nanoparticles be synthesized using a coconut water-assisted sol–gel method for magnetic hyperthermia applications?
Conclusion
The study demonstrates that coconut water-assisted synthesis can produce pure magnetite nanoparticles, although their micrometer size limits their use in biomedical applications.
Supporting Evidence
- The nanoparticles showed no cytotoxicity below 10 mg/mL.
- Magnetite was successfully synthesized at lower temperatures due to the washing process.
- The saturation magnetization values were 37, 76, and 10 emu/g for different treatments.
- The specific absorption rates (SAR) were 27.1, 19.9, and 14.1 W/g for the synthesized nanoparticles.
Takeaway
Researchers found a way to make tiny particles that can help heat up and kill cancer cells using a natural ingredient, but the particles are too big right now to be used safely in people.
Methodology
The study used a powdered coconut water-assisted sol–gel method to synthesize magnetite nanoparticles, followed by various characterization techniques.
Limitations
The synthesized nanoparticles are too large for effective use in magnetic hyperthermia applications.
Digital Object Identifier (DOI)
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