Poly(ethylene glycol) helps nanomaterials evade the immune system by modifying the composition of proteins that are adsorbed on the surface of the materials.
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Butcher, N., Mortimer, G. & Minchin, R. Unravelling the stealth effect. Nature Nanotech 11, 310–311 (2016). https://doi.org/10.1038/nnano.2016.6
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DOI: https://doi.org/10.1038/nnano.2016.6
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