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Table 7 Cytology parameters in BALF after exposure to graphene

From: Comparative inhalation toxicity of multi-wall carbon nanotubes, graphene, graphite nanoplatelets and low surface carbon black

  Study day 7 Study day 28
Concentration [mg/m3] 0.5 2.5 10 0.5 2.5 10
Total Cells 0.9 0.7 1.7 1.0 1.3 1.5**
Eosinophils 0.5 1.4 8.2** 1.7 2.3 0.0
Polymorphonuclear Neutrophils 1.2 7.5* 102.8** 1.0 3.0* 16.5**
Lymphocytes 3.0 4.2 33.4** 1.9 2.7 5.7**
Macrophages 0.8 0.6 0.6 1.0 1.2 1.2
  1. * Statistically significant, p < 0.05; ** statistically significant, p < 0.01.
  2. Differences are expressed as x-fold ratios compared to the concurrent control group.