| Coatings/Modifications |
Advantages |
References |
| Polyethylene glycol (PEG) |
Neutral, escape RES, long circulation, prevents degradation |
[90-92] |
| Dextran |
Biocompatible and polar interactions |
[93-95] |
| Chitosan |
Easier functionalization, easily available, biocompatible, cationic hydrophilic polymer |
[96-97] |
| Polyethyleneimine (PEI) |
Facilitates endosomal release by forming complex with DNA |
[98-100] |
| Liposomal & Micellar coatings |
Good encapsulation, sequestration and protection of drugs inside body |
[101] |
| Co-polymers |
Different functionalities of constituents |
[ 102-103] |