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Summary of macrophage flow cytometry staining as total percentage of (A) CD40+/M1, (B) CD206+/M2 and (C) M2/M1 ratio after exposure to nano-WC–Co particles for 1, 2 and 5 days.
Notes: *P<0.05 compared to 0 μg/mL (M0) control (A, B) and #P<0.01 compared to 1 day (C).
Abbreviation: WC–Co, tungsten carbide–cobalt.
