Fig. 2.

Exosomes identification and RNA-seq libraries construction. a, b Representative TEM image of exosomes in samples. Negative staining was used to enhance the view of membrane structures (bar = 100 nm). c, d Representative grain-size graph of exosomes in samples. e Representative western blot images of the exosomes and cells. f Overview of the comprehensive computational scheme for systematic identification of circRNAs in samples