Table 1: Summary of experimental conditions for the synthesis of silica nanoparticles.

RunTween 85 (g)Heptane (g)2-Ethylhexanol (g)Aqueous phase (g)TEOS (g)25% NH4OH (g)

12.515100.851.000.4
22.51780.851.000.4
32.515101.331.000.4
43.62050.551.000.4
52.52050.551.000.4

Pure water for W series, 2% aqueous hydroxyethylcellulose for H series, and 2% aqueous -cyclodextrin for C series.