|  | 
| Figure 6: Ly6B.2 staining of mouse liver tissue by immunohistochemistry
      following three repeated doses over three days (3 doses of 100 μl of 64 μg/
      ml of NMs every 24 hr). The animals were dissected 72 hr, following the
      initial dose. A) NM 300 B) NRCWE 002. |