Fig. 1From: Engineered exosomes loaded with miR-449a selectively inhibit the growth of homologous non-small cell lung cancer Preparation and characteristic of engineered exosomes. A TEM images of the prepared miR-449a Exo and the control Exo. B Size distribution of the prepared miR-449a Exo and the control Exo assessed by DLS. C Western blot analysis of exosomal surface markers CD63 and CD9Back to article page