Fig. 10.

Array of functionalised PDMS micropillars. a Schematic of the micropillar array and the process for functionalisation of the pillars. b SEM images of the device. c SEM images of captured EVs. d Fluorescent three-dimensional image of the device stained with avidin-FITC. Scale bar, 50 μm. Reprinted with permission from [24]. Copyright 2017 American Chemical Society