Fig. 2From: Folate-modified liposomes mediate the co-delivery of cisplatin with miR-219a-5p for the targeted treatment of cisplatin-resistant lung cancerStability of miR-219a-5p in serum (a) Agarose gel electrophoresis of free miR-219a-5p, Lipo@DDP@miR-219a-5p, and Lipo@DDP@miR-219a-5p@FA in fetal bovine serum; (b) The retention rate of miR-219a-5p in different nanoparticle formulations. *p < 0.05Back to article page