Fig. 2

Photographs and percent hemolysis of human erythrocytes. Human erythrocytes were incubated with amorphous SiNPs at different concentrations ( 0, 10, 20, 50, and 100 μg/mL) for different exposure times (30 min and 2 h). Double-distilled water (+) and PBS (−) were used as positive and negative controls, respectively. Percent hemolysis (%) = [(sample absorbance − negative control)/(positive control − negative control)]*100 %. Data are expressed as mean ± S.D., *p < 0.05 vs the control group