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Representative flow cytometry dot plots depicting macrophage staining after exposure to 1 μg/mL nano-WC–Co particles for (A) 1 day, (B) 2 days, and (C) 5 days.
Notes: CD40-APC as surface marker of M1-type macrophages and CD206-FITC as surface marker of M2-type macrophages.
Abbreviations: FITC, fluorescein isothiocyanate; Neg, negative; WC–Co, tungsten carbide–cobalt.
