Figure 2
From: Digital Detection of Exosomes by Interferometric Imaging

Exosome capture, digital counting, and relative sizing.
(A,B) Anti-CD81 capture probe image acquired before and after incubation with purified HEK293 cells derived exosomes. (C,D) Zoom-box of particles detected pre- and post-incubation. (E–F) Particle contrast histogram pre- and post-incubation.