Research Article

Nanosilica and Polyacrylate/Nanosilica: A Comparative Study of Acute Toxicity

Table 2

pH, PO2, and PCO2 levels in artery blood of rats in 72 hrs. after exposure (, ).

Exposure grouppHPO2 (mmHg)PCO2 (mmHg)

Saline 7.34 ± 0.0485.33 ± 8.6447.50 ± 7.39
Nanosilica 7.32 ± 0.03#66.00 ± 16.0249.50 ± 7.00#
Polyacrylate/nanosilica7.32 ± 0.05#66.67 ± 15.7049.17 ± 8.51#

when compared with saline group; when compared with saline group; when compared with nanosilica group.