Importance of solid lipid nanoparticles (SLN) in various administration routes and future perspectives

Figures & data

Figure 1 Models of drug incorporation into SLN: homogeneous matrix of solid solution (upper), drug-free core with drug-enriched shell (middle), drug-enriched core with lipid shell (lower).

Figure 2 Types of NLC: (I) imperfect type, (II) amorphous type and (III) multiple type.

Figure 3 Schematic representation of SLN coated with PEG and molecular residues of PEG.