Related Experiment Video
Updated: Apr 14, 2026
11:00
Using Chicken Embryo as a Powerful Tool in Assessment of Developmental Cardiotoxicities
Published on: March 21, 2021
5.0K
Iron nanoparticles - biodistribution in the chicken embryo model
Désirée Schibler1, Anna Landsmann2, Petra Wolint1
1Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, Zurich, Switzerland.
Biochemistry and Biophysics Reports
|April 13, 2026
Summary
Iron carbide nanoparticles (ICNPs) distribute widely in chicken embryos, reaching most organs and cells without causing apparent damage. Further studies are needed to confirm their safety for embryonic development before use in theranostics.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Developmental Biology
Background:
- Magnetic nanoparticles (MNPs) are promising for biomedical applications like MRI contrast agents.
- Iron carbide compounds are effective theranostic agents.
- Nanosized particles may cross the placenta, posing risks to embryonic development.
Purpose of the Study:
- To investigate the biodistribution of intravenously injected carbon-coated iron nanoparticles (ICNPs) in chicken embryos.
- To assess potential risks to embryonic development from ICNP exposure.
Main Methods:
- Carbon-coated iron nanoparticles (300 μg or 600 μg) were injected into chicken embryos (stages 23-26).
- Embryos were analyzed 24h post-injection using T2-weighted MRI, histology, SEM, and EDX.
- Biodistribution and tissue integrity were evaluated.
Main Results:
- ICNPs were detected in most embryonic organs and cells, with prominent deposits around the vascular system.
- MRI showed signal voids, particularly at higher doses and later developmental stages.
- Histology and SEM confirmed inter- and intracellular uptake in the developing brain, with iron verified by EDX.
- Overall tissue architecture remained intact.
Conclusions:
- ICNPs distribute broadly within embryo organs and cells without causing immediate tissue damage.
- The potential impact of ICNPs on embryogenesis requires further long-term investigation.
- If proven safe, ICNPs could serve as theranostic agents for MRI and personalized medicine.
