21 January, 2026
The OECD Working Party on Manufactured Nanomaterials (WPMN), in collaboration with the EU Joint Research Centre (JRC), has released an updated guidance document on sample preparation and dosimetry for safety testing of manufactured nanomaterials. The 2025 edition further strengthens international methods for preparing and dosing nanomaterials in testing, enhancing the reliability and regulatory relevance of resulting data.
Source: OECD – Guidance on Sample Preparation and Dosimetry for Manufactured Nanomaterials, 2025 Edition
