Fig. 4From: Atomic layer deposition coating of carbon nanotubes with zinc oxide causes acute phase immune responses in human monocytes in vitro and in mice after pulmonary exposureCell counts in the BALF of mice exposed to U-MWCNTs or Z-MWCNTs. a The total cell concentration was significantly increased one day after exposure to Z-MWCNT as compared to control and U-MWCNT exposed mice, b A significant increase in total cell concentration was also seen at 28 days for U-MWCNTs and Z-MWCNTs. c After exposure to Z-MWCNTs, macrophages and neutrophils were significantly increased as compared to control. d Elevated levels of macrophages were seen 28 days after U-MWCNT exposure. Macrophages and neutrophils were still elevated 28 days after Z-MWCNT exposure. The number of animals per group at one day was: Control (3), U-MWCNT (4), Z-MWCNT (4) and at 28 days was: Control (4), U-MWCNT (5), Z-MWCNT (3). Significance is represented as * as compared to the control and # as compared to U-MWCNT, * denotes P < 0.05, ** or ## denotes P < 0.01, and *** denotes P < 0.001Back to article page