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. 2018 Jul 30;9:2982. doi: 10.1038/s41467-018-05384-1

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© The Author(s) 2018

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. 4 — Effect of the modified peptides on the composition of protein corona. a Separation of protein corona by SDS-PAGE. IgM (at Mw 72 kDa, circled in the red dashed line) was characterized by nano-LC-MS/MS. b Western blot assay of natural IgM on liposomal surface in vivo 1 and 4 h after injection. c Quantification of absorbed natural IgM by normalizing the gray values. n = 3, data are means ± s.d. Statistical significances were calculated by Student’s t-test. NS indicates not significant, *p < 0.05, **p < 0.01