Figure 5From: Carbon dots: a safe nanoscale substance for the immunologic system of miceIL-12, IFN-γ, IL-4, and TNF-α in spleens of mice treated with carbon dots. Western blot was used to measure the levels of cytokines. Compared with the saline group, the expression levels of four cytokines did not have any obvious change in the three carbon dot-treated groups both on the first and ninth days post exposure.Back to article page