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. 2019 Apr 27;11(5):749. doi: 10.3390/polym11050749

Figure 1.

Figure 1

Dynamic light scattering (DLS) results of the block copolymer, polystyrene-b-polythylene glycol (PS-b-PEG) stabilizer that forms ~30 nm micelles (black) compared to FNP of chitosan and PS-b-PEG (red) which forms block copolymer micelles with soluble chitosan. Performing FNP with tannic acid (TA) to precipitate the chitosan with PS-b-PEG to stabilize the precipitate results in uniform particles 920 ± 150 nm with a polydispersity index (PDI) of 0.21 ± 0.02 Water was used a solvent and the nominal nanoparticle concentration of approximately 0.3 mg/mL.