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Automated Radiochemical Synthesis of [18F]3F4AP: A Novel PET Tracer for Imaging Demyelinating Diseases
Published on: May 29, 2017
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PET plastics as a Trojan horse for radionuclides
Radhouan El Zrelli1, Lamia Yacoubi2, Sylvie Castet3
1SADEF Agronomy & Environment, 30 Rue de la Station, 68700 Aspach-Le-Bas, France.
Journal of Hazardous Materials
|September 11, 2022
Summary
Plastic bottles accumulate radioactive elements from industrial discharge. While current risks are low, mismanaged plastic waste may increase future radiation exposure for humans and ecosystems.
Area of Science:
- Environmental Science
- Radiochemistry
- Public Health
Background:
- Mismanaged plastic waste can interact with pollutants, increasing environmental and health risks.
- Phosphate fertilizer plants can be sources of radionuclides in industrial discharge.
Purpose of the Study:
- To characterize natural and artificial radionuclides in polyethylene terephthalate (PET) bottles from industrial discharge.
- To assess the potential human health risks associated with radionuclide-contaminated PET microplastics.
Main Methods:
- Collection of PET bottles from industrial littoral discharge.
- Measurement of activity concentrations of natural and artificial radionuclides (e.g., 208Tl, 226Ra).
- Human health risk assessment for ingestion and inhalation of microplastics.
Main Results:
- Radionuclide activity concentrations in PET bottles ranged from 0.47 to 12.70 Bq·kg-1.
- Mean activity concentration was 5.30 Bq·kg-1.
- Health risk indices (annual intake, effective dose, cancer risk) were below international safety limits.
Conclusions:
- PET bottles can accumulate and transfer radionuclides, posing a potential new health risk.
- Mismanaged plastic waste and its interaction with radioelements may lead to increased future radiation exposure.
- Further research is needed to understand the long-term implications of radionuclide-contaminated plastics.
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