Figure 3

Figure 3. Different morphologies of lipid nanoparticles; a) a 2 x 2-μm 3D AFM scan of AP-loaded GMS-based NLCs; b) a 1 x 1-μm SEM picture of AP-loaded BW-based NLCs; c) a 5,000-fold magnification of a glycerol palmitostearate-based SLN; and d) a 5 x 5-μm AFM photograph of a lipid nanoparticle; sources: a) and b), Reference 2; c) Reference 6; d) Reference 14; reproduced with permission.