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Table 1 Mean size (nm), polydispersity index (PDI) and ζ-potential (mV) in bi-distilled water, phosphate buffer solution (PBS) and NaCl 0.9 wt% of empty and Fluticasone propionate (FP)-loaded nanoparticles

From: Effects in cigarette smoke stimulated bronchial epithelial cells of a corticosteroid entrapped into nanostructured lipid carriers

Sample Dispersing medium Mean size (nm) PDI Zeta potential (mV)(± S.D.) EE%(w/w)
Empty PBS pH 7.4 133.7 0.243 −15.1 ± 3.78 -----
  NaCl 0.9% 132.5 0.215 −12.3 ± 4.16 -----
  H2O 115.9 0.285 −27.8 ± 3.21 -----
FP-loaded PBS pH 7.4 178.7 0.266 −14.3 ± 2.44 76.8 ± 0.04
  NaCl 0.9% 189.6 0.244 −13.3 ± 4.56 76.8 ± 0.05
  H2O 129.9 0.330 −31.3 ± 4.50 76.8 ± 0.04
Empty 4 months) H2O 137.9 0.247 −26.6 ± 3.13 -----
Empty (10 months) H2O 149.9 0.235 −25.4 ± 2.15 -----
FP-loaded (4 months) H2O 143.2 0.323 −28.3 ± 2.72 74.7 ± 0.06
FP-loaded (10 months) H2O 145.6 0.334 −27.5 ± 4.50 72.5 ± 0.03
  1. Efficiency entrapment % (EE%) of FP-loaded NLC.