Keywords: دگزامتازون فسفات; Chol; cholesterol; DSPE-PEG2000; 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy-poly-(ethyleneglycol)-2000]; Dex; dexamethasone; DexP; dexamethasone phosphate; DLS; dynamic light scattering; EPC; egg phosphatidylcholine; Flu; flumethasone; HA;