Figure 2.

The contents of titanium in liver tissue and liver DNA of female mouse after intraperitoneal injection with nano-anatase TiO2suspensions for consecutive 14 days.Valuesrepresent means ± SE,n = 5.Columnsmarked withasteriskordouble asterisksmeans it is significantly different from the control (no nano-anatase or bulk-TiO2) at the 5 or 1% confidence level, respectively

Ma et al. Nanoscale Research Letters 2009 4:1275-1285   doi:10.1007/s11671-009-9393-8