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. 2021 Dec 14;19:421. doi: 10.1186/s12951-021-01172-0

Fig. 1.

Fig. 1

Characterization of liposomes. a Representative particle size distribution and b TEM image of IRI-RGD/R9-sLip. c Zeta-potential changes in various formulations. d The particle size changes of IRI-RGD/R9-sLip in PBS or RPMI 1640 medium within 14 days. e In vitro release profiles of Free IRI or IRI-Lip. **P < 0.01