The February 2024 issue of Nature Nanotechnology includes an article entitled “How nanoparticles are counted in global regulatory nanomaterial definitions.” Authored by Kirsten Rasmussen, Juan Riego Sintes, and Hubert Rauscher, European Commission (EC) Joint Research Center (JRC), the article examines differences between the definitions in various jurisdictions and how to achieve a global definition. The jurisdictions reviewed include Organization for Economic Cooperation and Development (OECD) member countries, the European Union (EU), and other relevant economies. The authors “propose a generalized naming convention that can be applied to any specific definition of nanomaterial.” The authors note that the article does not necessarily reflect the opinion of the EC.

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