Fig. 3From: Folic acid-functionalized PEGylated niosomes co-encapsulated cisplatin and doxoribicin exhibit enhanced anticancer efficacyEffect of storage time and storage temperature on (A) average size of DOX + CIS-Nio, (B) average size of DOX + CIS-Nio@PEG–FA, (C) polydispersity index (PDI) of DOX + CIS-Nio, (D) polydispersity index (PDI) of DOX + CIS-Nio@PEG–FA and (E) encapsulation efficiency (EE%) of DOX + CIS-Nio, and (F) the encapsulation efficiency of DOX + CIS-Nio@PEG–FA. The P values are *P < 0.05, **P < 0.01, ***P < 0.001Back to article page