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. 2019 Sep 2;9(9):1246. doi: 10.3390/nano9091246

Figure 2.

Figure 2

Morphological, physicochemical properties of curcumin loaded polymeric hybrid nanoparticles. Scanning electron microscopy image of HA conjugated NPs (scale bar = 5 μm) (A). Transmission electron microscopy image showing the coated layer of the individual nanoparticle (scale bar = 200 nm) (B). AFM images of uncoated, HA conjugated NPs (C). FT-IR graph showing the hyaluronan (-COOH) conjugation on PLGA-Chitosan (+NH2) core (D). Size and PDI of 4, 8 mg/mL drug to 4%, 8% polymer ratio (E). Change in surface zeta potential after each layer of coating with chitosan and hyaluronan conjugation respectively (F). Zeta potential of different groups of drug to polymer ratios (G).