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. 2022 Oct 26;415(7):1265–1285. doi: 10.1007/s00216-022-04362-3

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© The Author(s) 2022

Open AccessThis 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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Fig. 18 — a Procedure for acoustic seed particle trapping of EVs. Seed particles are loaded in the acoustic field. EVs are caught in the seed particle cluster through scattered sound interactions. Following a wash, the particle cluster can be eluted by turning off the sound. Adapted with permission from [39]. Copyright 2018 American Chemical Society. b Images of particle trapping in an acoustic trap. Fluorescently (red) labelled vesicles are enriched in the seed particle cluster. Adapted with permission from [41]. Copyright 2016 American Chemical Society