Table 1. Common compounds in nanoparticle drug delivery [22].

Natural Carriers	Synthetic Carriers
Proteins and Polypeptides	Alipatic polyesters and hydroxy acids
Albumin	Polyactic Acid
Fibrinogen, fibrin	Polyglycolic Acid
Collagen	Poly(lactide-co-glycolide)
Gelatin	Poly(hydroxybutyric acid)
Casein	Polycaprolactone
Polysaccharides	Polyanhydrides
Alginic Acid	Polyorthoesters
Starch	Poly(alkylcyanoacrylate)
Dextrans, dextrin	Polyamino acids
Hydaluronic Acid	Polyacrylamides
Chitin	Poly(alkylcarbonates)
Chitosan