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Table 2 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	36.01 ± 1.62	58.01 ± 1.55	0.62 ± 0.04
Carbon dots
2 mg/kg	37.44 ± 0.32	57.44 ± 0.55	0.65 ± 0.01
10 mg/kg	35.12 ± 0.39	58.09 ± 0.32	0.60 ± 0.01
50 mg/kg	36.97 ± 1.81**↑	55.81 ± 0.73*↓	0.70 ± 0.02**↑

The effects were recorded 1 day after administration. The 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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