Science

Where do nanoparticles go once they enter the body? Scientist helps shape new guidance

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Briefings

The OECD and ANSTO jointly released new international best practice guidance to standardize the measurement of nanoparticle biodistribution in the human body. This framework aims to determine where specific materials like titanium dioxide accumulate and how long they persist, addressing a critical gap in public health policy and regulatory science.

Key points

• The OECD and ANSTO co-authored a new international best practice guidance to standardize the measurement of nanoparticle biodistribution in the human body.
• The guidance focuses on tracking where materials like titanium dioxide accumulate and how long they remain in the body.

Context and limitations

This guidance is a policy framework shared by the OECD; specific clinical data, patient outcomes, or long-term toxicity studies are not included in this summary.

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