| (Brij® 92 or Brij O2) | Polyethylene glycol oleyl ether |
| (Brij® 72) | Polyoxyethylene stearyl ether |
| (Symperonic® PE/F127) | Polyoxyethylene-polyoxypropylene block copolymer 127 |
| (Pluronic® PE 6800) | Polyethylene glycol-polypropylene glycol-polyethylene glycol block copolymer 6800 |
| (Pluronic® PE 10500) | Polyethylene glycol block copolymer 10500 |
| (Monomuls® 90-O18) | Glyceryl mono-oleate |
| (NaCl 0.9 % w/v) | Isotonic sterile saline solution |
| FL | (Fluorescein) |
| PDI | (Polydispersity index) |
| Z.P. | (Z-potential) |
| E.M. | (Electrophoretic mobility) |
| E.E. (%) | (Entrapment efficiency (%)). |