. 2014 Jul 8;9(7):e101572. doi: 10.1371/journal.pone.0101572

Table 6. The effects of silica nanoparticles on the energy metabolism of testicular tissue in mice (Mean ± S.E.).

Group	ATP level (µmol/g protein)	Activity of lactate dehydrogenase-C4 (U/g protein)	Activity of succinate dehydrogenase (U/mg protein)
15days control	1485.24±140.19	2417.00±291.29	5.37±1.04
15days Nano-Sio₂	1008.19±147.10^*	2610.14±467.46	5.72±1.06
35days control	1507.11±238.82	2581.76±469.67	4.68±0.51
35days Nano-Sio₂	780.75±193.91^*	2604.28±931.15	4.49±0.55
60days control	1053.01±156.13	2184.21±355.43	4.86±1.05
60days Nano-Sio₂	882.22±124.79	2128.88±399.10	5.56±0.87

*Indicates significant difference compared to control group (P<0.05).