Preparation and Effect of Selenium Nanoparticles/Oligochitosan on the White Blood Cell Recovery of Mice Exposed to Gamma-Ray Radiation

Figure 4

TEM image and size distribution of SeNPs/OCS stored at 4°C at different times: 0 days (a), 30 days (b), and 45 days (c).

(a)

(b)

(c)