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. 2019 Sep 19;20(2):820–828. doi: 10.1021/acs.nanolett.9b02741

Figure 2.

Figure 2

Atomic force microscope height images: (a) bare electrodes before chemical modification and (b) after modification and capture of EpCAM-positive tdEVs derived from LnCAP cell lines on nIDEs. The captured objects are 30–150 nm in diameter, which is in good agreement with small EV dimensions (scale bar: 200 nm).