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Table 1 Effects of carbon dots on spleen and thymus weight coefficient of BALB/c mice

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

Groups	Spleen coefficient		Thymus coefficient
Groups	1 day	9 days	1 day	9 days
Saline	0.3616 ± 0.0027	0.9817 ± 0.1343	0.2305 ± 0.0148	0.2598 ± 0.0955
Carbon dots
2 mg/kg	0.3711 ± 0.0128*	0.8617 ± 0.2637*	0.2092 ± 0.0502*	0.2707 ± 0.0687*
10 mg/kg	0.4020 ± 0.0537*	0.8443 ± 0.0871*	0.2057 ± 0.0328*	0.2793 ± 0.0215*
50 mg/kg	0.4469 ± 0.0846*	0.9927 ± 0.3637*	0.1886 ± 0.0095*	0.2653 ± 0.0398*

The data are presented as mean ± standard deviations, n = 5. *P > 0.05 compared with the saline group (control). Significant difference was calculated by one-way ANOVA using SPSS19.0.

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