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Fig. 4 | Particle and Fibre Toxicology

Fig. 4

From: Impact of nanosilver on various DNA lesions and HPRT gene mutations – effects of charge and surface coating

Fig. 4

Cytotoxic and cytostatic effects of Ag ENMs with different charge (negative: Ag_Citrate and Ag_SDS; neutral: Ag_Disperbyk and Ag_Tween; positive: Ag_Chitosan and Ag_Byk) on TK6 cells measured as trypan blue exclusion (TBE) and Relative growth activity (RGA). Cells were treated with 5 concentrations (μg/cm2) of Ag ENMs for 24 h and cell number was counted immediately after the exposure. Graphs represent cytotoxicity relative to 100 % of control. The data are expressed as mean ± SD of three independent experiments. P values indicate statistically significant results; *p < 0.05; **p < 0.01; ***p < 0.001

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