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Table 4 Effects of carbon dots on percentage of CD3 ⁺ and CD19 ⁺ lymphocytes in spleen of BALB/c mice

From: Carbon dots: a safe nanoscale substance for the immunologic system of mice

Groups	CD3+ (%)	CD19+ (%)	CD3+/CD19+
Saline	18.00 ± 1.40	28.74 ± 1.14	0.63 ± 0.02
Carbon dots
2 mg/kg	26.48 ± 0.52**↑	33.88 ± 0.56**↑	0.78 ± 0.02**↑
10 mg/kg	25.50 ± 0.36**↑	35.95 ± 0.94**↑	0.71 ± 0.03*↑
50 mg/kg	26.68 ± 0.57**↑	29.87 ± 1.07	0.89 ± 0.05**↑

The effects were recorded 9 days after administration. Data are presented as mean ± standard deviations, n = 5. *P < 0.05 and **P < 0.01 compared with the saline group (control). Significant difference was calculated by one-way ANOVA using SPSS19.0.

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