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. Author manuscript; available in PMC: 2015 Jul 30.
Published in final edited form as: Pharm Res. 2015 Jan 22;32(6):2003–2014. doi: 10.1007/s11095-014-1593-y

Fig. 1.

Fig. 1

Particle size (a) and scanning electron micrograph (b) of exosomes isolated from (1) brain endothelial bEND.3, (2) neuroectodermal tumor PFSK-1, (3) glioblastoma A-172, and (4) glioblastoma -astrocytoma U-87 MG cells (* Results are significantly different, p<0.05).