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. 2022 Nov 3;13:6610. doi: 10.1038/s41467-022-34438-8

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — After formation of the protein corona-coated polystyrene NPs (PSNPs), 17 similarly prepared batches were characterized individually and shipped to various proteomics core facilities across the USA to investigate the homogeneity/heterogeneity of the proteomics data retrieved on the protein corona profile on the surface of NPs. PSNPs polystyrene nanoparticles, PBS phosphate-buffered saline, DLS dynamic light scattering, TEM transmission electron microscopy, SDS-PAGE sodium dodecyl-sulfate polyacrylamide gel electrophoresis, LC-MS/MS liquid chromatography–mass spectrometry.