Concentration of cytokine INF-γ in splenocyte suspension. The levels of INF-γ were measured quantitatively using IFN-γ ELISA kit. Data are presented as means ± standard deviations, n = 5. *P < 0.01 compared with saline control. Significant difference was calculated by one-way ANOVA using SPSS19.0.
Gao et al. Nanoscale Research Letters 2013 8:276 doi:10.1186/1556-276X-8-276