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. 2013 Sep 10;8(9):e74743. doi: 10.1371/journal.pone.0074743

Figure 2. Particle size distribution.

Figure 2

A] 0.4% chitosan nanoparticles B] 0.01% trypsin encapsulated in 0.4% chitosan nanoparticles, C] 0.02% trypsin encapsulated in 0.4% chitosan nanoparticles and three-dimensional images D] 0.01% trypsin encapsulated in 0.4% chitosan nanoparticles, E] 0.02% trypsin encapsulated in 0.4% chitosan nanoparticles.