Preparation and Characterization of Patuletin-Loaded Chitosan Nanoparticles with Improved Selectivity and Safety Profiles for Anticancer Applications

Figure 5

SEM images of PT-CS-NP: (a) 4500X and (b) 2000X. TEM images of PT-CS-NP at (c) 50 nm and (d) 100 nm.

(a)

(b)

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(d)