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Nanotechnology meets circular economy

The transition from a linear ‘take–make–dispose’ economy to a circular economy is gaining momentum. Although there are many opportunities for using nanotechnology to enable circularity, the knowledge gaps related to (eco-)toxicological hazards and the presence of nanomaterials in waste streams constitute significant challenges.

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Fig. 1: Critical questions to be addressed for nanomaterials in a circular economy from development, over nanoproduct development, to nanoproduct life-cycle management.
Fig. 2: Distribution of products in the Nanodatabase according to categories of non-essential uses proposed by ChemSec.

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Acknowledgements

The financial support from the Mistra Environmental Nanosafety program is gratefully acknowledged.

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Correspondence to Steffen Foss Hansen.

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Nature Nanotechnology thanks Monica Distaso and Sushanta Mitra for their contribution to the peer review of this work.

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Hansen, S.F., Arvidsson, R., Nielsen, M.B. et al. Nanotechnology meets circular economy. Nat. Nanotechnol. 17, 682–685 (2022). https://doi.org/10.1038/s41565-022-01157-6

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