| (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 (%)). |