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. 2022 Jul 27;12:12828. doi: 10.1038/s41598-022-16914-9

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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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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SARS-CoV-2 pseudo virus variants binding to SBP1-peptide. The binding of pseudo viruses that carry spike proteins of three different variants of the SARS-CoV-2 virus to the DNA-peptide nanostructure was determined. Association behavior differed for all three variants. While the wild type showed the typical linear association behavior, Alpha and Beta presented an exponential binding behavior. Spikes in the signal can be attributed to air in the channel system. The Alpha variant induced the strongest signal change over the measurement time. The dissociation displayed almost no signal change for all three samples.