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

Fig. 4.

Fig. 4

Schematic of three different iterations of immunoaffinity-based isolation devices, where a targeted EV is assumed to possess the surface marker for the complementary antibody. a A functionalised surface, b a functionalised bead and c an example of more complex functionalisation to also allow EV release