Fig. 5From: Isolation of exosomes from whole blood by a new microfluidic device: proof of concept application in the diagnosis and monitoring of pancreatic cancerOptimization of exosome capture. a Binding efficiency of exosomes by Fe3O4–EDC-NHS-NPs at different time points at 50:1 and 100:1 (NPs:Ab) weight ratios. b TEM images of exosomes captured by Fe3O4–EDC-NHS-NPs:anti-CD9. c High magnification images allow to visualize the double membrane of the exosomes in the complexesBack to article page