Figure 2From: Intestinal absorption and biological effects of orally administered amorphous silica particlesBody weight, histopathological, and biochemical analyses after 28-day oral administration of the indicated silica particles. (A) Body weight during 28-day oral administration of silica particles; plasma concentrations of (B) alanine aminotransferase (ALT) and (C) blood urea nitrogen (BUN). Values are expressed as mean ± SE (n = 4 to 11).Back to article page