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. 2020 Jul 3;11:3316. doi: 10.1038/s41467-020-17198-1

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© The Author(s) 2020

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. 6 — a A view through the common threefold axes of SD/Ag90a. There are four of these rotational axes. b A view through a twofold axis of the outer icosahedral Ag shell of SD/Ag90a, which corresponds with a fourfold axis through the middle and inner octahedral Ag shells. There are three of these rotational axes, arranged orthogonally. c, d The corresponding triple nest with regular polyhedral shells viewed along the three- and twofold axes of the nest.