Fig. 1From: Serum exosomal microRNA-34a as a potential biomarker in epithelial ovarian cancerVerification of exosomes. a Transmission electron microscopy revealed that the clusters isolated from serum were round or oval membrane vesicles largely between 30 and 100 nm in size and were homogeneous in appearance. b Western blotting revealed that the specific exosomal protein marker CD63 was expressed in isolated serum exosomal pellets as specific bandsBack to article page